ndd_chengxu

伪速率脉冲调制器的稳定性分析，通过绘制系统的Nichols图，分析柔性振动对主轴的影响(the stability anslysis of pseu-speed pusle modulator)

说明：  可以产生白噪声，体现了随机现象，欢迎大家使用，(Can generate white noise, reflecting a random phenomenon, welcome to use,)

说明：  ＢＰＳＫ　检测其在加性高斯白噪声信道中的性能　it is useful for you!(BPSK detected in the additive white Gaussian noise channels the performance it is useful for you!)

读取地震数据SY2文件中的数据，并以TXT格式保存(load the .sy2 file,write the data into a .txt file and restore)

A C++ Program to read a Non-Linear equation in one variable

SQP matlab优化源程序SQP方法(SQP method)

this is a chapter of famous book by van trees"optimum array processing"

对比LDPC Hamming 循环卷积码三种编码方式的误码率(Contrast BER LDPC Hamming codes are three circular convolution encoding)

基线校正代码，包括小波基线校正及滤波器基线校正，可用于光谱数据的预处理。(Baseline correction codes, including wavelet baseline correction and filter baseline correction, can be used for preprocessing of spectral data.)

This is slab waveguide TMmode simmlation.