We have designed the syntony circurt used to detect icing signal and analyzed this circurt 设计了用于检测结冰信号的谐振电路，并对谐振电路进行了分析。
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Because the method of structure vibration which based on syntony stimulation and blasting vibration is not a simple one , in order to decompose the syntony stimulation of blasting vibration , fourier transform of blasting vibration is introduced at first 由于结构震动理论是以谐激励为基础的，而爆破震动并不是简单的谐激励，因而首先介绍爆破震动的傅氏变换理论，以便于分解爆破震动中的谐成份。
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At89c52 receives the frequency signal from the syntony circurt and processes it , then according to design request , sends out all kinds of controlling signal . in allusion to this signal processing circurt , we have designed corresponding software for at89c52 At89c52接收来自谐振电路的频率信号，并对其进行处理，再按照设计要求发出各种控制信号。针对此信号处理电路，为at89c52设计了相应的软件。
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The probe ' s linearity , temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor , such as the influence of the coil q value to the linearity characteristic , influence of the diameter of coil to the linearity characteristic , influence of coil resistance to the temperature characteristic , influence of the measuring coil to the syntony loop 在介绍涡流位移传感器的基本理论的基础上，分析了传感器探头线性特性、温度特性、动态特性的影响因素。从探头线圈q值对线性特性的影响；探头直径对线性的影响；探头线圈电阻对温度特性的影响；激励信号温度特性的影响：检测线圈?振回路动态响应特性等方面分析并提出制作高质量传感器探头的改进措施。
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New designed auto tracing arc eliminating device based on this technique contents more technology , which has sample circuit , wide tuning scope , quick response and low noise . this paper firstly introduces neutral grounding histroy . by analyzing the syntony grounding theory , the transient and stable process of one - phase grounding fault , the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized 论文中首先介绍了中性点接地方式的发展过程，通过对谐振接地原理和单相接地故障的暂态、稳态分析，认识到接地故障对系统安全运行的危害，通过消弧线圈对接地电容电流的迅速准确补偿是减小故障危害的最主要手段。
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It emphasizes on the analyse of using syntony demodulation technology to final the long - distance coming train . at the same time , it gives a preliminary analyse in the signal for different cases , takes a research on the identified technology for the coming train , designs and assembles the hardware and software of this system . all of them have got past the test on the spot and got a satisfying result 课题中的关键是如何得到列车运行信号的特征规律，在本文中对这些列车接近信号的一些分析方法作了介绍，着重分析了采用共振解调技术发现远程来车的信号，同时针对不同情况下的信号进行了初步分析，研究了来车的识别技术，并对系统的软硬件进行了设计和组装，通过了现场试验，得到了令人满意的结果
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This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region . the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters . at the same time , by using jsp technology , a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure . the experiment data is fitted by curve fitting module . the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance . the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y . further more , jsp , the advanced technology at current , has been used to realize a magnetostrictive transducer web electric simulation system . the system has good human computer interface and the function of resource sharing and information publishing . the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer 用java编程语言编写的曲线拟合模块，对输入的实验数据进行了最小二乘法的曲线拟合；根据曲线拟合结果可从带激励线圈的磁致伸缩换能器的输入阻抗中分离出磁致伸缩换能器铁芯在无激励电流时由机械振动形成的等效输入阻抗，并由此输入阻抗确定磁致伸缩换能器的谐振频率及电气模拟网络参数。本课题提出的方法与传统的谐振?反谐振法相比，能更准确地确定磁致伸缩换能器的谐振频率及其电气网络参数。同时，采用当前比较先进的web技术，实现了基于jsp的磁致伸缩换能器web电气模拟系统，该系统具有良好的人机界面和资源共享、信息发布功能。
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The method is as follows , at first , to calculate the frequency response function of structure corresponding every blasting syntony ponderance , then to calculate the response of structure under this syntony ponderance by using frequency response function , at last , the response of the whole system can be worked out by superposition 计算方法是先计算每一爆破谐分量对应于结构的频响函数，然后用频响函数计算出结构在此谐分量下的响应，最后用叠加法得到整个系统的响应。
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Secondly , based on the syntony frequency and the elasticity mechanics and other correlative professional knowledge , establishes a suit of fsm vibration module system , selects the structure , material and the process and treatment technique of the elastic element in the elastic system of the mirror , analyzes a lot of factors which affect the structure of the rapid controlling reflector and provides the derivation formula 以谐振频率为出发点，利用弹性力学等相关专业知识，建立一套fsm的振动模块系统；确立了反射镜弹性系统中弹性元件的结构、材料的选择，及加工，热处理。分析了影响快速控制反射镜结构的诸多因素，给出其相关推导公式，最后应用solidedge和cosmos软件对该结构进行了计算机仿真。
