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.
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Showing 1 to 20 of 50 for “"signal conditioning"”.
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Signal conditioning for high efficiency : wireless transmission
… power budget. In particular we consider pre-conditioning algorithms for a new generation of high efficiency radio frequency power amplifiers (RFPA).
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Signal Conditioning Circuits for Injectable Pressure Sensors
… requires highly integrated pressure sensor signal conditioning circuits to be developed as current methods are larger than those that can be included in an injectable device. Miniaturization to this level is only possible through creating an ASIC which includes all functions to allow sensor …
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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 …
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Micromachined, Out-of-Plane Micro Flow Sensors
… to integrate 8 sensor array with on-chip signal conditioning using a commercial operational amplifier circuit. A new method to make the sensor array flexible is also proposed.
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Bioinspired Robust Underwater Behaviors Using Fluid Flow Sensing
… H$_\infty$ control system. The perturbation signals are spatially decomposed using wide and small-field integration techniques to arrive at information regarding objects in the environment. A high-fidelity, computational fluid dynamic closed-loop simulation is carried out by interfacing …
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Electrical interfaces for electromechanical and energy systems
… logic chip, the GAL22V1O creates the signals necessary for driving both direct current and stepper motors. The robot driver printed circuit board was testing in simulation and in hardware. The results are listed in this document. This robot driver will allow for the use of wireless …
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Pressure-Based Interaction Techniques for Supporting Feedback Strategies in Sports
… first experiment explored the role of signal conditioning on the controllability of pressure-based interactions with visual feedback. Some clarifications are given on the role of pressure sensor data mapping functions and open source signal conditioning circuit de-signs are …
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Integrated Current Sensor using Giant Magneto Resistive (GMR) Field Detector for Planar Power Module
… avoided for the operation of power modules. Post-signal processing is required, and the signal-conditioning circuit was designed to attenuate noise. The signal-conditioning circuit was designed using an instrumentation amplifier, and the circuit attenuated most of the noise that hindered accurate …
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Horizontal directional spectrum estimation of the Heard Island transmissions
… that it is possible to transmit coded acoustic signals nearly half way around the world. One of the key issues in the feasibility test was to determine the spatial structure of the received transmissions. In this thesis, data from the Canadian Defense Research Establishment Pacific horizontal …
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CMoS lab-on-a-chip devices for individual cell biology
… in single chips, e.g. sensors, actuators, signal conditioning and processing circuits. In this work, after a review of the state of the art, the development of a CMOS prototype chip for individual cell manipulation and detection based on dielectrophoresis will be presented. Issues related …
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Design and control optimization for high-speed jumping mode Atomic Force Microscope
… beam deflection system, photodiode circuit, signal conditioning circuit and cantilever probe holder with actuators have been implemented. The combined optimization and design work improved the capability of the original custom made high-speed AFM setup in both subsystem performance and …
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Responsive temperature and pressure sensor design for in-situ prosthesis monitoring applications based on the piezoelectric and pyroelectric effects in lead zirconate titanate
… temperature dependent and therefore charge-mode signal conditioning was chosen to mitigate temperature effects on the signal-conditioning response. Subsequent response measurements were found to yield a linear response over the temperature range of interest. Bipolar and unipolar charge amplifier …
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Monitoring transient repolarization segment morphology deviations in mouse ECG
… of mice. The technology consists of hardware for signal conditioning of the electrocardiogram (ECG); software for the collection, archiving and real-time & retrospective Internet visualization of data; and an algorithm for morphology analysis of the repolarization segment in murine ECG. The system …
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The development of instrumentation for the support of skin friction and heat flux measurements
Instrumentation has been designed to process the signals from two types of skin friction gages and a microfabricated heat flux gage. Design changes for the skin friction gages are presented which will improve the performance of the two transducers. The instrumentation is simple in design and use …
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A high speed wearable system for body coupled communication
… ideal methods by which doctors can read bodily signals detected by implanted devices. Methods are either too high power for long-term implants, such as radio transmission, or pose health threats to the patient, such as connection ports piercing the skin. However, a novel method of transmitting …
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Surface Electromyographic Control of a Humanoid Robot
… A final surface electromyographic measuring and signal conditioning circuit was constructed. Data recording and processing software was also coded for the Arduino, achieving control of the robotic platform via surface electromyography.
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Design of Power Converter and Wireless Data Acquisition System for TEG Energy Harvester
… of sensor will be applied. The design of the signal conditioning circuit for this sensor has also been presented.
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Measurement of gas bubbles in a vertical water column using optical tomography.
… a combination of optical attenuation model and signal conditioning. In the optical path length model, opaque solids or small bubbles, which are conveyed, may totally or partially interrupt the optical beams within the sensing volume. In the optical attenuation model, the Lambert-Beer's Law is …
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The Design and Implementation of an Extensible Brain-Computer Interface
… BCI) includes tissue interface hardware, signal conditioning circuitry, analog-to-digital conversion: ADC) circuitry and some sort of computing hardware to discriminate desired waveforms from noise. Within an experimental paradigm the tissue interface and ADC hardware will rarely change. …
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