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Hydrogen maser digital servo system based on DSP and FPGA

Author: ChenWenXing
Tutor: LinChuanFu
School: Shanghai Astronomical Observatory
Course: Astronomical techniques and methods
Keywords: Passive hydrogen maser Digital servo Digital Signal Processor Field programmable gate array
CLC: TL824
Type: Master's thesis
Year: 2007
Downloads: 228
Quote: 0
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Hydrogen atomic clock is a high precision time and frequency standard , the performance is very good , has an important role in the field of basic theoretical research , navigation, radar, geodesy, astronomical observations and communications . With the development of space science and technology , small, easy handling, the development of high-performance hydrogen atomic clock is imperative . In this paper , the main content is to improve the passive hydrogen maser servo circuit part , to reduce the overall volume of the servo circuit at the same time improve the technical specifications of the original system and intelligent control . This paper analyzes the impact of the basic principle of the servo system and servo system frequency stability , and the principle of PID controller are described . On this basis , the performance of the required components were calculated and screening . Hardware and software design process is described in detail in Chapters III and IV . Repeated test and long test circuit is given in Chapter final test results and analysis of the system , the test results show that the design meets the intended purpose , some parameters exceeded expectations index . The end of the article gives the servo system designed to improve some of the ideas .

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CLC: > Industrial Technology > Nuclear technology > Particle detection,radiation detection and nuclear instrumentation > Nuclear electronics equipment > Time measurement techniques and instrumentation
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