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Spike detection and measurement in the DSP implementation

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Tutor: HuiJunYing
School: Harbin Engineering University
Course: Underwater Acoustics
Keywords: Spike detection,First-order recursive filter,Sounding hyperboloid intersection,T
CLC: U644.45
Type: Master's thesis
Year:  2007
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This paper studies to underwater high speed moving targets and high precision positioning system as the background, in view of the underwater buoy in underwater acoustic signal processing technology and software implementation are discussed. Requirements for known motion target radiated noise characteristics, design a set of reliable detection software. The content of the thesis mainly includes two parts: spike detection, simulation of hyperboloid intersection depth and DSP assembler software implementation. First of all, for detecting module, receives signal through a first order recursive filtering the background normalization, adjust the threshold automatically, detect target reach the moment of hydrophone. By using the principle of the hyperboloid intersection sounding target depth of the original. The Matlab simulation research for the whole testing process, the simulation results show the feasibility of the proposed algorithm. Secondly, according to the requirements of the underwater acoustic signal processing board is actually implemented on the DSP software programming. In view of the hardware resources of TMS320VC5509 software configuration. Results show that the reliability of the software of DSP implementation.
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