Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 99 for “"Signal transmission"”.
-
Signal transmission in epithelial layers
Cell signaling is at the basis of many biological processes such as development, tissue repair, and homeostasis. It can be carried out by different mechanisms. Here we are focusing on ligand mediated cell-to-cell signaling in which a molecule (ligand) is free to move into the extra-cellular medium. …
-
Noise-induced phenomena of signal transmission in excitable neural models
… einer hochfrequenten externen Kraft die Signalantwort bezüglich eines niederfrequenten Signals verbessert. Weiterhin wird der Einfluß von additivem Rauschen auf das Zusammenwirken von stochastischer und vibronischer Resonanz untersucht. Weiterhin untersuche ich Systeme, die sowohl …
-
Frequency Interception and Manipulation Vulnerabilities in Myoelectric-Computer Interface Signal Transmission
… between upper limb motor tasks and examine data transmission frequencies to assess potential vulnerabilities in MCI systems. The HackRF One identified three distinct frequencies involved in the frequency hopping pattern during signal transmission, which allows attackers to intercept EMG data. …
-
From Vulnerability to Resilience: Securing Signal Transmission Against Jamming and Spoofing Attacks
Wireless signal transmission underpins crucial aspects of modern communication, but its susceptibility to jamming and spoofing attacks remains a major concern. These attacks have the potential to disrupt vital services, mislead devices, and compromise the integrity of wireless systems. Many …
-
Control signal transmission through power supply cables of a 3-phase PWM motor
… independently shielded cable for feedback data transmission. This is due to the fact that high-voltage PWM signals could easily interfere with the feedback signals, which are typically one or more orders of magnitude smaller than typical PWM signals. We propose a "zero-wire" solution, in which …
-
Noise and signal transmission properties as agents of selection in the vibrational communication environment
… communication behavior and the evolution of signals and sensory structures. Here I address how male and female E. binotata behaviorally respond to noise, and whether variation in plant transmission properties can promote divergent selection on vibrational mating signals. When presented with …
-
Using Machine Learning Techniques to Model Encoder/Decoder Pair for Non-invasive Electroencephalographic Wireless Signal Transmission
… and other Deep Neural Networks, to minimize data transmission and ensure robustness against data degradation. The study highlighted the crucial role of machine learning in self-adjusting and isolating essential data for accurate and efficient classification. The research design involved training …
-
A test of the signal transmission hypothesis of vocal imitation in the white-eyed vireo (Vireo griseus)
This study compared male response to playback and interspecific vocal imitation in two White-eyed Vireo populations, in southwestern Virginia and eastern North Carolina. White-eyed Vireos are hypothesized to imitate notes from other birds which transmit efficiently through dense habitat. Male …
-
COMT Genotype, Schizophrenia, and Dopamine Transmission
… catabolism is the primary mechanism for dopamine signal deactivation in the dorsolateral prefrontal cortex, an area of the brain associated with working memory. Working memory deficits are found in persons with schizophrenia and their unaffected siblings. A single nucleotide polymorphism of the …
-
Network activity arising from optimal diameters of neuronal processes
… coupling provides an important pathway for signal transmission between neurons. In several regions of the mammalian brain electrical synapses have been detected, and their role in the synchronization of neural networks and the generation of oscillations has been studied theoretically. …
-
Design and Assembly of High-Temperature Signal Conditioning System on LTCC with Silicon Carbide CMOS Circuits
… material. The electronic module would perform signal conditioning of sensor signals (thermocouples) operating under extreme conditions for applications like gas turbines to collect data on the health of the turbine blades during operation so that the turbines do not require shutdown for …
-
Stereophonic Acoustic Echo Cancellation: Theory and Implementation
… rate, the calculation complexity, the signal transmission delay, and the memory usage for the evaluated systems are shown. Adaptive filters applied in subband structures may need to model a few non-causal taps even if the fullband impulse response is causal. This phenomenon is analyzed …
-
Differentiating noise and modulators in artificial neural networks
… finding that neuropeptides may exist as slower Signal transmission channels between neurons. This study concerns the difference between random noise injection, and directed, low-level, activity injections which are postulated to be produced by neuromodulators such as neuropeptides. The findings …
-
Design of power delivery networks for noise suppression and isolation using power transmission lines
… on the printed circuit board (PCB). For off-chip signaling, charging and discharging signal transmission lines induce return currents on the power and ground planes. The return current always follows the path of least impedance on the reference plane closest to the signal transmission line. The …
-
Optimization of tunable silicon compatible microring filters
… converters (ADCs). For high quality signal transmission, the resonant frequency of the filter has to be held at certain value to allow minimum timing errors in the sampling of the signal. Thermal tuning is used to compensate for any fabrication errors or environmental temperature …
-
Quantum Mechanical/molecular Mechanical Studies of F(1)-Atpase and a Plant Photoreceptor
… which suggests that dynamical effects mediate signal transmission following the initial photoexcitation event.
-
Array Signal Processing for Communications from High Altitude Platforms and Other Applications
… platforms (HAPs) and the high data rate OFDM signal transmission in underwater acoustic channel are respectively investigated. Both conventional and adaptive beamforming methods are investigated in the application to HAP communications. A three-step footprint optimization method based on …
-
Channel estimation in a two-way relay network
… terminals are equipped with a single antenna for signal transmission and reception. Communication between the transceivers is carried out in two phases. In the first phase, each transceiver sends a transmission block of data embedded with known training symbols to the relay. In the second phase, …
-
Modulation of GABAergic transmission in the cerebellar stellate cell network by neurotransmitter spillover and synaptic cross talk
… layer was found to depress the chemical transmission between stellate cells, due to a decrease in the release probability of the inhibitory neurotransmitter ?-Aminobutyric acid (GABA). Analysis of synaptic parameters combined with the application of pharmacological tools indicated the …
Page 1 of 5