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 346 for “"DSP"”.
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Automatic Optimization of DSP Algorithms
After presenting the translation and optimization techniques utilized by the SPL compiler, empirical data is presented showing the efficiency of the resulting C/FORTRAN code. Timings are compared, using fast Fourier transform (FFT), Walsh-Hadama transform (WHT), discrete cosine transform (DCT) and …
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A handheld DSP based vibration analyzer
This dissertation investigates the design and implementation of a hand held vibration analyzer for use on electrical rotating machinery. The analyzer gathers data from an accelerometer and can present either acceleration, velocity or displacement information. Any information can be presented to the …
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A micropower DSP for sensor applications
… This thesis describes the design of a micropower DSP intended for medium bandwidth microsensor applications (such as acoustic sensing and tracking) which achieves 4 MIPS performance at 40 [mu]W (10 pJ per instruction) operating at 450 mV and fabricated in 90 nm CMOS. Energy efficiency …
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A high performance multiprocessor DSP system
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Structural testbench development for DSP models
Generation of test benches for large DSP behavioral models is a complicated, labor intensive task. Also, tests generated manually satisfy no formal definition of completeness. To address these needs, high level approaches to test bench development are employed which relieve the modeler of the …
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Behavioral testbench development for DSP models
Generation of testbenches for large DSP behavioral models is a complicated, labor intensive task. Also, tests generated manually satisfy no formal definition of completeness. To address these needs, high level approaches to test bench development are employed which relieve the modeler of the …
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Texas Instruments DSP Dynamic Run-Time Loader
… in applications of Digital Signal Processors (DSP) are reaching the limits of the basic method of statically loading libraries. These statically loaded libraries are fixed to the location in memory where they can be executed. Therefore these inflexible libraries are difficult to use in …
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Variable supply voltage for low power DSP
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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An optimizing C compiler for DSP architectures
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Efficient Binary Field Multiplication on a VLIW DSP
… ARM Cortex A8 to a specialized C64x+ VLIW DSP, we are able to exploit the XOR-Multiply instruction and the inherent parallelism of the DSP. The proposed multiplication utilizes Multi-Precision Binary Polynomial Multiplication with Unbalanced Exponent Modular Reduction. The resulting DSP …
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A DSP IMPLEMENTATION OF A SUBSCRIBER LOOP TESTER
… tester based on a digital signal processing (DSP) chip, replacing the old analog-based testers. The DSP chip uses an analog-digital converter (ADC) to take sample measurements of various signals on the subscriber loop and a digital-analog converter (DAC) to output control signals. Various …
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Softcore stream processor for FPGA-based DSP / Peng Wang
Modern DSP applications present increasingly high computational requirements and keep evolving in nature. In these applications (e.g. high definition video, wireless communication), there are fundamental DSP kernels playing central roles, including Fast Fourier Transform (FFT), Matrix …
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DESIGN OF A MULTI DSP SYSTEM FOR IMAGE PROCESSING
… of a multi digital signal processor (DSP) system for performing parallel image processing is described. Considering the characteristics of image problems and addressing their computation and communication needs, a data flow linear array pipeline communication network is chosen for the …
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A FPGA/DSP based ultrasound system for tumor detection
… Gate Array (FPGA) and Digital Signal Processor (DSP) technologies. The proposed detection system utilizes Low Transient Pulse (LTP) technique. In this co-design architecture, the DSP carries out analysis of received demodulated signal at a lower speed while the FPGA runs at 62.5MHz for the …
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Entwicklung, Simulation und formale Verifikation eines optimierten DSP-Kerns
… Aufbau. Das entwickelte und vorgestellte DSP-Design kann diese geforderten Bedingungen erfüllen.<br/>Die Ausarbeitung präsentiert zunächst die entwickelte Befehlssatzarchitektur in Hinblick auf FIR- und FFT-Algorithmen als Zielapplikationen für den DSP-Kern.Weiterhin wird nach einer …
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Efficient arithmetic for high speed DSP implementation on FPGAs
… and services for the real time implementation of DSP and RF systems. The field programmable gate array (FPGA) is being used increasingly in the field of DSP. This is due to the fact that the parallel computing power of such devices is ideal for today’s truly demanding DSP algorithms. Algorithms …
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Investigation of the Dimensional Stability in DSP Cement Paste
In the second half of this work, thermal expansion property was systematically investigated for cement pastes with a wide range of microstructure features. It was found that saturated paste behaves anomalouly in response to temperature change, i.e., the thermal expansion is followed by a …
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A lightweight DSP framework for OMAP3530-driven embedded devices
… provides a lightweight framework, called MiniDSP, for OMAP3530 heterogeneous dual core SoC to run tasks on its DSP co-processor. This framework is composed of a minimal DSP kernel and a set of programs which run on the ARM A8 master processor. The minimal kernel maintains system stability and …
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