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一款 很好的Usb 音频ic 很适合用于pc周边音频设备的开发-Usb Audio ic is very suitable for pc surrounding the development of audio equipment

C语言内嵌汇编实例-embedded C language compilation examples

语音信号通过滤波器分析，matlab程序编写-voice signal through the filter, Matlab programming

说明：  ws2812驱动程序，stm32f103zet6(Ws2812 driver, stm32f103zet6)

BLDC Motor modeling and matlab source include.

说明：  FB41源飞飞哥哥发的哥哥哥了各个分地方(To pacify individual parties.)

介绍一下制作这个类库的流程：新建一个项目→选择 类库 → 在这个类库的基础上添加新建项 → 用户控件→添加 引用HalconDotNet → 拖一个 Halcon显示图像的HalconWindow 上去 → 改写，添加 放大 缩小的功能 完毕。(Description: halcon and C # joint programming, control function 1, support the mouse button zoom and left drag 2, support in the image after scaling, region, xld, roi can reproduce 3, support region, xld in accordance with the specified color display, and In the zoom after the recurrence of 4, support rectangle 1, rectangle 2, circle, and straight roi drawing 5, you can display the current position of the left mouse button image gray value 6, you can save the original image, or screenshots of the current window (Halcon and C # joint programming))

说明：  px to rem sass mixin

光孤子传输特性模拟 在光纤通信中，光脉冲信号在光纤中传输的过程中会受到色散、损耗和非线性等作用的影响而不断地发生演化和畸变。脉冲演化的规律遵循非线性薛定谔方程（NLSE）。由于NSLE 在一般情况下无法求得它的解析解，因此通常需采要用数值方法来求解，最终归结于求解归一化的NLSE。本文使用了分步傅里叶方法对归一化NLSE 进行了求解，并模拟了输入为一到三阶双曲正割光脉冲条件下光脉冲传输演变情况。(soliton In optical fiber communications, the optical pulse signals in fiber-optic transmission process will be subject to dispersion, loss and non-linear effects, such as constant evolution and distortion occurs. Pulse to follow the evolution of the law of nonlinear Schrö dinger equation (NLSE). Because NSLE under normal circumstances can not achieve its analytical solution, it normally takes mining use numerical methods to solve, and ultimately attributed to solving normalized NLSE. This article uses the step-by-step Fourier method and normalized NLSE was solved, and analog input for the first-order,second-order and third-order hyperbolic secant optical pulses under the conditions of the evolution of optical pulse transmission.)

VFP开发用Grid多表头，封装成类，测试没有问题，可再次开发(VFP developers using Grid multiple headers, packaged into a class)