Firstly, we briefly introduce the assembly model, analyze and evaluate the typical assembly model. Secondly, we propose a new-layered assembly model which is based on discrete face. At last, we briefly discuss how to use the DENEB system to abstract the information from the CAD model and how to add constrain information to the DENEB model.

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First, dissert the characteristic of millimeter wave simply; second, sum up the development of T/R modules on domestic and abroad and give the international advanced level; last, briefly introduce the purpose and the main work of this thesis.

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The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

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briefly：簡(jiǎn)單扼要地

at last 最后 | briefly 簡(jiǎn)單扼要地 | by doing so 如此

in the last place：最后一點(diǎn)

C 第三層次: Third, Thirdly, Besides, In addition, Furtherm... | 最后一點(diǎn): Last, Lastly, Finally, In the last place, Last of all, Shortly, Briefly, In short/brief | 簡(jiǎn)言之: In a word, In summary, To sum...

Last, Lastly, Finally, In the last place, Last of all, Shortly, Briefly, In short/brief：最后一點(diǎn)

C 第三層次: Third, Thirdly, Besides, In addition, Furtherm... | 最后一點(diǎn): Last, Lastly, Finally, In the last place, Last of all, Shortly, Briefly, In short/brief | 簡(jiǎn)言之: In a word, In summary, To sum...