sky_wave_detection

谱减法，语音增强，里面对每句代码都有详细说明，大家一起交流，谢谢(Spectral subtraction speech enhancement, which has a detailed description of the code for each sentence, to share with everyone, thank you)

单载波系统在高斯白噪声和多径信道条件下的仿真——加入独立字导频且采用最小二乘信道估计(Single carrier system in gaussian white noise and multipath channel under the condition of the simulation to join the independent word frequency and the least square estimation channel )

说明：  本程序为回波抵消程序，程序中附有解释，很明了，并能到达到消除回波的效果(This procedure for the echo cancellation process, accompanied by explanation of procedures, it is clear, and able to achieve the elimination of echo effect)

6713对SDRAM的检测 程序 ，可用于上电初始化 时针对 SDRAM的 自检,ccs环境 (6713 pairs of SDRAM testing procedures, can be used for power SDRAM initialization of the self, ccs environment)

PID是控制中最为常用的算法，本程序包提供了PID参数设计模型，同时也提供了相应的具体实例。(PID is the most popular algorithm in control system, this package provides the modelling for PID parameter optimizing and the examples are presented as well.)

说明：  根据降雨数据和流量数据，可在同一张图上绘制倒立的降雨柱状图和对应的流量过程线(According to rainfall data and flow data, inverted rainfall column charts and corresponding flow process lines can be drawn on the same chart.)

microchip公司的dspic30f2020中文手册(microchip company dspic30f2020 Chinese manual)

GPS单点定位和差分定位程序及详细说明，始于初学者学习GPS导航定位原理。(GPS single point positioning and differential positioning procedures and detailed instructions for beginners to learn GPS navigation began in principle.)

开关电源simulink仿真模型，可以模拟开关电源，学习开关电源可用(Switching power supply simulink simulation model can simulate switching power supply, the power switch can be used to learn)

说明：  根据目前的数据进行了SEIR模型的代码实现(SEIR code implementation)