很好的matlab书籍！供大家学习参考。请同行批评指正！上传更好更高质量的文章。程序和源代码！...

三相正弦脉宽调制，可以自由设定调制比，脉冲数，可以观察波形(Three-phase sinusoidal pulse width modulation, can freely set the modulation ratio, pulse a few, you can observe the waveform)

水文分析中干旱指标spi的计算代码，可计算多时间尺度的指标，黏贴成m文件即可，文件内有注释描述。(Spi hydrological drought index analysis of the calculation code, and calculate multi-time scale of the index, you can paste into the m file, file comments within the description.)

remote sensing 112313

关于OFDM通信系统中降低峰均比（PAPR）的迭代限幅滤波（RCF）算法仿真的程序(repeat clipping filtering)

利用MATLAB软件完成基于离散余弦变换（DCT）的可见水印算法，实现可见水印的嵌入(discussed the mathematical manipulation method of visible digital watermark and realized the visible digital watermarking inserting by completing the watermark algorithm，which based discrete cosine transformation (DCT) with the MATLAB software)

实现数字编码的matlab小实验。在matlab上调试通过(Matlab digital encoding small experiments. Debugging through the matlab)

二进制转换，本程序适用于MATLAB程序(Binary conversion, this procedure applies to the MATLAB program)

永磁同步电机矢量控制的仿真搭建，基于PID控制以及滑模控制，分数阶PID控制和分数阶滑模控制等(Permanent magnet synchronous motor vector control simulation, based on the PID control and sliding mode control, fractional order PID control and the fractional order sliding mode control, etc )

太阳方位计算，通过输入当地经度纬度，以及时间时区，计算当地任意时刻太阳样的高度角方位角。matlab程序(sun position)

(Sd.m) 此函数解决对称系统 Ax = b使用最速下降法。