三角载波移相PWM控制的调制波形

地理信息系统开发简要文档说明和使用说明。GIS开发(Geographic Information System Development Brief Document Description and Use Description. Development of GIS)

这是一种求解微分方程的高精度数值方法，对解决很多非线性问题有很大优势，由钟万勰院士首创-This is a high-precision numerical solution of differential equation methods, to solve many nonlinear problems has great advantages, from the first academician Zhong Wanxie

说明：  jQuery侧边浮动多级导航菜单代码是一款适用于手机端侧边导航滑动遮罩层显示代码。(JQuery Side Floating Multilevel Navigation Menu Code is a display code for mobile phone side navigation sliding mask layer.)

说明：  改进的CEEMD去噪方法，可以直接使用。效果惊人(The improved ceemd denoising method can be used directly. Amazing effect)

利用qt编写的seg-y读取显示程序用的qt3(QT3 for reading display program with SEG-Y written by QT)

用MATLAB实现的压缩传感，虚拟力的无线传感网络覆盖，小波包分析提取振动信号中的特征频率。( Using MATLAB compressed sensing, Virtual power wireless sensor network coverage, Wavelet packet analysis to extract vibration signal characteristic frequency.)

mc9sdg128控制led流水灯程序，入门例子(led water lamp mc9sdg128 control procedures, entry example)

计算水体纳污能力的excel的vba实现，很方面，很实用，适合水文，环境相关专业计算水体纳污能力。计算水体纳污能力的excel的vba实现，很方面，很实用，适合水文，环境相关专业计算水体纳污能力。(The VBA implementation of Excel for calculating the capacity of water body to absorb pollutants is very practical and suitable for hydrology and environment related specialties to calculate the capacity of water body to absorb pollutants.)

说明：  声音信号短时傅里叶变换MATLAB程序，可得到短时傅里叶变换的图像(Short-time Fourier Transform (STFT) of sound signal can be obtained by MATLAB program.)

放大器,用于信号放大，信号调理电路。高性能，低功耗。不错的选择。值得信赖啊(Amplifier, used for signal amplification, signal conditioning circuit.High performance, low power consumption.Good choice.trustworthy)