This paper is focused on the design of the electronic circuits to improve the system energy resolution , including the design of the preamplifier , the shape amplifier , the base line restorer ( blr ) and the multichannel analyzer ( mca ) , discussing some problems , which should be taken into account in the design 本文着重讨论了电子学线路的设计对改善系统分辨率的影响。包括前置放大电路、成形放大电路、基线恢复电路、脉冲幅度多道分析电路的设计及设计中改善系统能量分辨率应注意的问题。
The radar radiation is high density , all frequency and it ' s frequency is changeable , we can get the toa , pw and pa by measuring the parameters of radar pulse . by these parameters , we can know where the radiation be , then we can launch arm to perish enemy or protect own 通过对雷达视频脉冲信号参数的测量，可以获得脉冲幅度( pa ) 、脉冲到达时间( toa )和脉冲宽度( pw )等时域参数，获取敌方辐射源的型号、威胁等级等信息，从而对目标进行识别和定位，以达到消灭敌人，保存自己的目的。
Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods . the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum , combining the characteristics of field working , focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus , with a view to resolve defects exsisting in current portable apparatus 论文瞄准国内外多道核能谱测量技术的发展趋势，结合现场工作的特点，针对目前现场多道核能谱测量仪器中存在的诸如仪器功耗、重量、体积偏大，不便于现场操作等问题，在多道脉冲幅度分析器以及仪器的单片机机化等方面作了较为系统的研究。
This article analyses the signal characteristics of several typical cw radars , and presents the principle and application of doppler radar . as one focal point , this article researches the generation and math characteristics of pseudorandom code modulated signal , analyses the spectrum of pseudorandom code phase modulation radar signal , and presents this kind of signal ' s application in distance and speed measurement . this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally , this article elaborates the working process of crs in uast 本文分析了几种典型的连续波雷达信号的特性，介绍了多普勒雷达的原理和应用；研究了伪随机编码信号的产生和数学特征，着重分析了伪码调相连续波雷达信号的频谱，及其在雷达测距、测速方面的应用；研究了单脉冲幅度比较体制在雷达测角中的应用；最后，阐述了超近反导系统中复合体制雷达的工作过程。
Using it , time amplitude converter and pulse neutron generator , the y spectra of 14mev pulse neutrons is measured . utilizing the time difference of several different reactions about the interaction of neutrons and nucleus , the whole spectra and the capture spectra are measured . a method that uses double gate subtracting background to gain the fast neutrons " inelastic scattering y spectra is introduced 研制了一种线性门电路，介绍了它与脉冲中子发生器、多道脉冲幅度分析器配合，进行14mev脉冲中子谱的测量，利用中子和原子核相互作用的几种反应在时间上的差异，测量了总谱和俘获谱，采用双门减本底方法得到了快中子非弹性散射谱。
The primary task of this thesis is how to design a set of data gathering system , which can track record original wave forms of sound signals , the moment that sound impulse range pass gate limits , the data on the orientations of vector water - sensor in the buoy and the data obtained by gps 本论文以整个系统的硬件设计为主要研究对象，主要任务是设计一套数据采集系统，完成对声信号的原始波形及声脉冲幅度过门限时刻、浮标上矢量水听器的方位数据及gps数据的记录。
