We have analyzed the effect of geomagnetic field and testing environment of fatigue specimen magnetic memory testing signals and the changes of specimen from integer to parting on the basis of the mechanism of magnetism effect 摘要根据磁效应机理，分析了地磁场和检测环境对疲劳试件磁记忆检测结果的影响，以及试件断裂前后磁记忆检测信号的变化。
In order to realize the intelligent non - destructive testing on workpieces on line , this paper presents an automatic tracing system of audio non - destructive testing signals , which integrates mechanics , electronics and computer 为了在生产线上实现工件的智能化无损检测，本文提出一种集机械、电子、计算机于一身的音频无损检测信号自动跟踪系统。
This kind of sensor should have enough defect quantitative differentiation and high signal noise ratio . and the data dealing and recognizing is also a very difficult task in the nondestructive defect detection of the wire rope 传感器应该具有足够的缺陷定量分辨能力和高的信噪比，而且对检测信号进行数据处理和定量识别也是钢丝绳缺陷检测系统研究中的难点。
Adopt advanced microprocessor for smart control , it is suitable for display and control temperature , humidity , pressure , liquid level , instantaneous flow , speed and so on in many physical quantity inspect signal , and can data - logging multi - channel measure signal 采用先进的微处理器进行智能控制,适用于温度湿度压力液位瞬时流量速度等多种物理量检测信号的显示控制，可巡回检测多路测量信号。
Taking self - guided system detecting signal source for example , the paper has studied deeply the technology of torpedo self - guided array signal source , which includes : 1 . signal synthesizing agrithm for torpedo self - guided array signal source is studied 本文以自导系统检测信号源为研究对象,对鱼雷自导阵列信号源技术进行了深入研究,主要内容包括: 1 .研究了鱼雷自导阵列信号源的信号合成算法。
The relation between wavelet transform and signal singularity and the method of testing signal singularity employing wavelet transform are discussed in the paper , and gets different wavelet transform trends of signals with different characters 本文分析了小波变换与信号奇异性之间的关系，对使用小波变换检测信号奇异点的方法进行了讨论。得出了对于不同性质的信号，其小波变换的模极大值随尺度增加而变化的趋势。
All the schemes mostly include gathering and disposing signal by computer technology , realizing the automatization of experimental inspecting system , checking signal by concerning inspect technology , and improving inspecting sensitivity and precision 在微波段电子顺磁共振实验中设计了三个实验方案，主要包括应用计算机技术采集、处理信号，实现实验检测系统的自动化。应用相干检测技术检测信号，提高检测灵敏度和精度。
Magnetizing inrush current has obvious singularity , and wavelet transform has multi - scale and good time - frequency local characteristic , that it is particularly well adapted to extract the characteristic of signal ' s edge and peak value , and can check up the singularity well 变压器励磁涌流具有明显的奇异性，小波变换具有多尺度分析和良好时频域局部化特性，适合提取信号边缘和峰值突变的特征，能够很好的检测信号奇异性。
8 - loop flash alarm controller adopts advanced microprocessor for smart control , and can match use with our any control instrument or other contact control instrument . it can detect simultaneously 8 - loop signals . inputs and mainframe both adopt photoelectric isolation structure 智能多路巡检显示控制仪采用先进的微处理器进行智能控制,适用于温度湿度压力液位瞬时流量速度等多种物理量检测信号的显示控制，可巡回检测多路测量信号。
According to the characteristics of the work condition is wretched and the signals are affected seriously by kinds of random noise etc . , the data smoothing method is used in the pressure and flow signal processing , it reduces the effect of the random noises , and has a good result 根据液压系统工作环境恶劣，各种随机干扰对检测信号影响大等特点，将数据平滑方法用于压力、流量信号检测数据处理中，有效地减小了各种随机噪声的影响，具有很好的效果。
