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本文基于马赫-泽德干涉结构的分布式光纤传感系统，采用模式识别的思想，详细论述了信号特征辨识和提取方法，提高了定位准确度，减少了误报！(Based on Mach- Zehnder interferometer structure of the distributed optical fiber sensing system, using pattern recognition idea, discussed in detail the signal feature recognition and extraction methods to improve the positioning accuracy and reduce the false alarm!)

the code uploaded is very useful in geretanig multipath rayleigh fading channel for ofdm system

集成运算放大电路的实际应用。 适用于高级提升人员(Integrated Operational Amplifier Circuit practical application. Applicable to senior officers for promotion)

一个KNN的matlab程序，供感兴趣的人士学习(A KNN matlab program for those interested in learning)

模拟调制解调：AM、DSB、LSB及FM。（通过AWGN噪声信道）(Analog modulation：AM、DSB、LSB and FM。)

基于gps的matlab仿真程序，提供很多GPS定位算法的计算程序(matlab code for GPS)

this program consists of mosaicing image mannually by allowing the user enter the desired points

用修正的周期图平均法对信号进行谱估计,采用汉宁窗,分段比较(spectral estimation：theory and application)

This Project distinguish between inrush currents and internal faults in the protection of power transformers with Emtp Program And Matlab Code. Simple Methot is used in Project.

本程序为求矩阵的最大特征值、全部特征值和特征向量，应用乘幂法和雅可比过关法(This procedure for the sake of the largest eigenvalue matrix, all eigenvalues and eigenvectors, applications by a power law and the Jacobi clearance method)