Articles tagged with Signal Processing
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A nanostructure composed of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device, displaying properties of both light and matter. This discovery could lead to dramatically increased information transmission rates in optical data processing.
Engineers have developed a device that can generate surface acoustic wave phonon lasers, enabling the creation of sophisticated chips in cellphones and other wireless devices. This technology could lead to smaller, higher-performance, and lower-power wireless devices like cell phones.
A new hybrid wireless access network called PHWAN has been proposed to improve the performance of smart factories. The framework combines different wireless systems, including 5G, Wi-Fi, and low-power industrial networks, to adapt dynamically to the needs of different machines.
Researchers created an ultrathin hydrogel electrode that can track vital signals without interruption, overcoming previous dehydration, freezing, and mechanical fragility issues. The new material forms a flexible layer that can withstand extreme temperatures and retain water content over time.
A new smartphone-based system can accurately diagnose sleep apnea in stroke patients, identifying 67% of those with moderate to severe apnea. The portable tool uses sensors and digital biomarkers to monitor breathing, oxygenation, and body position during the night.
Mustafa Aksoy is leading a research team to develop machine-learning algorithms to detect and remove radio frequency interference from NOAA satellite measurements. The goal is to improve the accuracy of weather forecasts and climate monitoring by mitigating the impact of RFI.
Researchers at Ritsumeikan University have discovered that the loss of TRPM1 ion channels sets off a cascade of changes leading to persistent oscillations in the retina. This finding illuminates the cellular basis of congenital stationary night blindness and identifies a common mechanism underlying retinal degenerative conditions.
Researchers at SwRI discovered a security vulnerability in the Signal Level Attenuation Characterization (SLAC) protocol used in electric vehicle-to-grid communications. The team successfully modeled and replicated a machine-in-the-middle attack that could manipulate or halt EV charging processes.
Researchers developed a novel topology-aware multiscale feature fusion network to enhance EEG-based motor imagery decoding. The TA-MFF network achieves excellent classification performance, outperforming state-of-the-art methods by leveraging spectral-topological data analysis-processing and inter-spectral recursive attention.
Researchers from Chung-Ang University have developed a novel AI-based approach for producing high-fidelity and defect-aware ultrasonic images, outperforming traditional techniques. This technology has the potential to revolutionize non-destructive testing in industries such as semiconductors, energy, and automotive.
Researchers at Rice University have developed a new method to generate radio wave patterns that can identify signal direction with unprecedented accuracy, enabling rapid establishment of wireless links. This breakthrough enables high data-rate links to form almost as soon as the signal is sent.
A U-M-led team is working to minimize latency in virtual and augmented reality games for people with Parkinson's disease. They are developing two games: an adaptive soccer game and a word game that enables players to fight the progression of the disease through physical and cognitive exercise.
Scientists have developed a programmable electronic circuit that harnesses high-frequency electromagnetic waves to perform complex parallel processing at light-speed. This breakthrough has the potential to power next-generation wireless networks, real-time radar, and advanced monitoring in various industries.
The US Naval Research Laboratory has installed a state-of-the-art cluster system for growing and analyzing quantum materials at the atomic level. This allows researchers to study materials one layer at a time, eliminating the need for sample transfer and reducing contamination risk.
A team of researchers at UC Santa Cruz developed a system using low-cost WiFi devices and machine learning algorithms to accurately measure heart rate. They found that the system worked regardless of body position or distance from the hardware, with high accuracy even after just five seconds of monitoring.
A team of researchers developed a scalable biological signal-processing framework that uses synthetic operational amplifiers to convert mixed cellular inputs into clean, orthogonal outputs. This enables precise, predictable control of complex biological systems, with applications in biomanufacturing and signal decomposition.
The new Harvard device can turn purely digital electronic inputs into analog optical signals at high speeds, addressing the bottleneck of computing and data interconnects. It has the potential to enable advances in microwave photonics and emerging optical computing approaches.
A team of researchers developed a new quantum framework for analysing higher-order network data using topological signal processing. The Quantum Topological Signal Processing (QTSP) framework achieves linear scaling in signal dimension, opening the door to efficient quantum algorithms for problems previously considered out of reach.
A research team has experimentally demonstrated a nonlinear wave phenomenon that changes its frequency depending on the direction of incoming waves. The system exhibits different responses to waves entering from one side versus the other, with potential applications in medical ultrasound imaging and noise control.
Researchers from Science Tokyo developed analog relay stations to extend mmWave coverage, achieving over 1 Gbps throughput and enhancing stability in previously unreachable zones. The innovative solution utilizes distributed relay diversity to maintain signal strength and throughput even with blockage.
Scientists have developed a method to extract insect heart rates from video footage taken with digital cameras, preserving their natural behavior. The technique uses advanced signal processing and machine learning algorithms to analyze subtle body movements and detect accurate cardiac activity.
Researchers develop smart planning systems to predict weld bead geometry and optimize deposition paths, reducing thermal stresses and defect rates. Innovations in real-time monitoring and auxiliary strategies improve material integrity and mechanical properties.
A study by NYU Abu Dhabi researchers has found a key mechanism that shapes brain development and how it may be disrupted in autism and schizophrenia. The research reveals the role of m6A methylation in regulating protein production in growing neurons.
A team of researchers from Japan has developed an ultra-compact, low-power 150 GHz radio module enabling high data rates in mobile devices. The proposed design integrates a phased-array transceiver with several key innovations to overcome the main challenges of operating at frequencies in the 150 GHz band.
A new world record has been set for petabit-class transmission over a distance of 1,808 km using a 19-core optical fiber with low loss across multiple wavelength bands. The demonstration marks a major step forward in developing scalable, high-capacity networks and addressing the world's growing demand for data.
The MyoStep project represents a significant advancement in pediatric mobility aids for children with cerebral palsy, addressing motor impairments that restrict participation in physical activities. The soft power suit provides a lightweight, discreet solution tailored to fit seamlessly into the lives of children and their families.
Researchers developed an advanced detector system combining silicon and germanium detectors for high-efficiency charged-particle decay studies. The system achieved precise tracking of decay processes and efficient discrimination between particles, showcasing its potential for studying exotic nuclear structures.
Researchers introduced an innovative ML model for classifying faults in SRF cavities, utilizing historical data and expert insights to enhance operational stability. The system achieved high accuracy and efficiency, facilitating long-term trend analysis and proactive maintenance strategies.
The study provides a new look at the galactic region surrounding our solar system, revealing a roughly uniform background Lyman alpha sky brightness. The findings suggest hot interstellar gas bubbles may be regions of enhanced hydrogen gas emissions at a wavelength called Lyman alpha.
Researchers at EPFL discovered that iron-rich hematite exhibits new spin physics, enabling signal processing at ultrahigh frequencies and allowing repeated encoding and storage of digital data. This breakthrough paves the way for a more efficient and sustainable approach to spintronics.
MIT engineers developed ultrathin electronic films that sense heat and other signals, reducing the bulk of conventional goggles and scopes. The new pyroelectric thin film is highly sensitive to heat and radiation across the far-infrared spectrum, enabling lighter, more portable night-vision eyewear.
The SETI Institute has launched the ARISE Lab program, providing hands-on training for community college instructors and students in astronomy, digital signal processing, and radio science. The program combines real-time radio telescope data with experiential learning techniques to spark curiosity and build skills.
Researchers developed an in-situ EPR setup to accurately identify radicals generated by PAA activation under different UV wavelengths, revealing distinct radical generation pathways. The study provides new insights into the mechanisms of radical formation and transformation using density functional theory calculations.
Researchers have discovered that the thalamus can update its own connections independently of the cortex, a finding relevant to children with neurodevelopmental disorders. This breakthrough suggests that modulating neurotransmitters in the thalamus could alter sensory processing and improve cognitive function.
Researchers have developed a novel wearable brain scanner that measures high frequency brain waves, revealing changes in E-I balance with age. This new technology allows for unprecedented precision in studying brain function in young children, potentially leading to better understanding of neurodevelopmental disorders like autism.
The device uses AI technology to detect potential heart problems and provides real-time health insights. It has multiple points touching the skin near the heart, allowing for more accurate tracking even during movement.
Researchers propose a general formula modeling bone adaptation as a function of key loading parameters. The formula provides insights into the relationship between mechanical signals and adaptive bone responses, offering guidance for optimizing exercise regimens and designing medical devices to promote bone health.
Researchers from Prof. Yardena Samuels's lab developed a new approach to cancer treatment by manipulating cancer cells to produce dozens of suspicious proteins, leading to a powerful immune response that destroys human cancer cells and slows tumor growth in mouse models.
A new approach to AI developed by Texas A&M University engineers mimics the human brain's neural processes, integrating learning and memory in a single system. This 'Super-Turing AI' has the potential to revolutionize the industry by reducing energy consumption and environmental impact.
Researchers at Harvard created a new type of interferometer that can modulate aspects of light in one compact package, enabling precise control over light's frequency and intensity. This breakthrough has the potential to be used in advanced nanophotonic sensors or on-chip quantum computing.
Distributed acoustic sensing systems face data processing speed limitations; researchers leverage photonic neural networks to overcome these challenges. The TWM-PNNA system achieves high recognition accuracy above 90% with low power consumption, outperforming electrical GPUs by orders of magnitude.
Researchers at MIT have devised a simplified process to convert skin cells directly into neurons, bypassing the stem cell stage and achieving yields of over 10 neurons from a single skin cell. This approach could potentially be used to treat patients with spinal cord injuries or diseases that impair mobility.
A new diagnostic method called flicker optoretinography (f-ORG) analyzes the retina's reaction to light, helping to detect danger before symptoms appear. The technique detects even minor changes in photoreceptors, providing valuable insights into retinal health.
Researchers at UC San Francisco have enabled a paralyzed man to control a robotic arm through a device that relays signals from his brain to a computer. The device, known as a brain-computer interface (BCI), worked for a record 7 months without needing to be adjusted.
Scientists can now utilize communication signals from mega-constellations to track changes in the Earth's gravitational field and observe weather phenomena like heavy rain or sea level changes in real time. The accuracy of this method is currently limited to 54 meters, but researchers aim to improve it to just a few meters.
A new study proposes a theoretical framework for AI-based wearable blood pressure sensors, paving the way for non-invasive and continuous cardiovascular monitoring. The review highlights clinical aspects of implementation, real-time data transmission, and signal quality degradation, and presents strategies to address technical barriers.
Researchers discovered distinct neuronal populations in the ACC process pain and itch information separately, with stimulus-specific neurons receiving differentiated synaptic inputs from the mediodorsal thalamus. Suppressing these neurons reduced corresponding sensations without affecting the other.
A new universal photocage modification strategy based on thioketal enables real-time live cell subcellular imaging. The thioketal-based probe SiR-EDT exhibits improved dark stability and can be specifically activated by UV-visible light.
Researchers at NYU Langone Health identified a new direct feedback loop in the brain that mixes sensory information, memories, and emotions to label sights and sounds as more important. This discovery may lead to new solutions for problems like post-traumatic stress disorder and autism.
Researchers from Science Tokyo developed three design techniques to enhance power efficiency and data rates in wireless transmitters, enabling synergistic operation of electronic devices. The techniques avoid the power-hungry CORDIC circuit block and ensure linearity in amplitude and phase modulation.
Researchers identified specific non-frontal brain areas involved in speech intent, which can be used to distinguish between language production and perception. This study is a crucial step towards developing a brain-computer interface to treat patients with Broca's aphasia.
Researchers at ISTA identify a brain region in mice that predicts and minimizes visual distortion during movement, allowing for sharper mental images. The 'ventral lateral geniculate nucleus' (vLGN) integrates motor and sensory signals to compute a comprehensive corrective signal, enabling more efficient visual processing.
A POSTECH research team developed a novel multidimensional sampling theory to overcome limitations of flat optics. Their study identifies constraints of conventional sampling theories and presents an innovative anti-aliasing strategy, significantly enhancing optical performance.
Researchers discovered that Wnt3 coordinates a two-step process of cell polarity orientation, enabling jellyfish embryos to develop around a central axis. This discovery sheds light on the evolution of body plans in early animals and may provide insights into cellular-level organisation.
Tobias Ackels' research reveals that mammals can differentiate between odor sources at lightning speed, using a temporal dimension to orient themselves in space. This ability is encoded in the output of the olfactory bulb and could be used for early detection of dementia.
The open-source AI model analyzes medical images, generates detailed reports, and answers clinical questions to streamline diagnostics and improve accuracy. BiomedGPT aims to democratize healthcare and reduce disparities amongst patients by providing easily accessible data to bolster underserved hospitals.
Professors Scott Acton and Mathews Jacob of UVA's Charles L. Brown Department of Electrical and Computer Engineering were named to the IEEE Signal Processing Society's 2025 Class of Distinguished Lecturers for their groundbreaking work in signal processing, artificial intelligence, and medical imaging.
A team of researchers from the University of Ottawa has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient technologies in wireless communication and signal processing. These advancements hold great promise for wireless c...
Charles Langston is awarded the Harry Fielding Reid Medal for his groundbreaking work on receiver function methodology, enabling unprecedented detail in imaging the Earth's crust and upper mantle. His techniques underlie multi-station imaging methods used globally, and have also been applied to study seismic data from Mars InSight.
Concordia researchers propose a novel method using ultrasound-guided microbubbles to stimulate critical cytokine secretion in T cells, potentially re-activating them and increasing the release of proteins needed to fight cancer. The approach could complement existing treatments and improve outcomes.