modualte-and-demodulate

说明：  matlab混合编程（书中程序） 第四章 (matlab mixed programming (program book) Chapter IV)

说明：  基于matlab的课程设计，功能是实现AM信号的解调，运用了两种方法实现。(Matlab-based curriculum design, function is to achieve the AM signal demodulation, the use of two methods to achieve.)

MIMO-OFDM系统仿真MIMO-OFDM系统仿真MIMO-OFDM系统仿真MIMO-OFDM系统仿真MIMO-OFDM系统仿真(MIMO-OFDM system simulation MIMO-OFDM system simulation MIMO-OFDM system simulation MIMO-OFDM system simulation MIMO-OFDM system simulation)

三站时差定位GDOP的matlab仿真 等高线图(GDOP MATLAB The MATLAB simulation contour map of the three station time difference positioning GDOP)

是matlab的代码，关于yann Lecun在89年提出的cnn的原型，这个代码成功应用于欧洲很多国家的手写支票识别(Is matlab code on cnn yann Lecun prototype made in 1989, this code successfully applied to handwriting recognition check many European countries)

说明：  作为雷达信号处理系统的一部分，主要利用快速傅里叶变换（FFT）算法完成雷达回波中各距离单元内运动目标的积累检测，另外还包括恒虚警处理然后提出自适应门限杂波图恒虚警处理器及相干杂波图恒虚警处理器。(As a part of radar signal process system, utilizes FFT to achieve radar reflect wave range unit moving target accumulate detect, in addition including CFAR processThen the adaptive threshold clutter map CFAR processor and coherent clutter map CFAR processor are suggested)

接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系(Receiver using the algorithm and program flow with the sender sending the OFDM symbol of the frame structure of relations)

程序代码说明 P0201：MATLAB赋值 P0202：MATLAB中的for循环 P0203：MATLAB中的for循环和if条件 P0205：MATLAB图像处理的基本操作 P0206：MATLAB高级图像处理操作 P0207：根据RGB图像创建一幅灰度图像 P0208：二值图像的取反操作 P0209：用imshow函数显示图像(code P0201 Note : MATLAB assignment P0202 : MATLAB for the cycle P0203 : MATLAB for the cycle, and if conditions P0205 : MATLAB image processing basic operation P0206 : High MATLAB image processing P0207 : According to RGB images to create a gray-scale image P0208 : binary images from the operation of the anti-P0209 : use imshow function displays images)

File 1: THIS CODE IS USED TO DRAW THE PUMP CURVES AT DIFFERENT PUMP SPEED 1: PUMP CURVE 2: EFFICIENCY CURVE 3: BREAK HORSEPOWER CURVE 4: KW-INPUT CURVE File 2: THIS CODE IS FOR APPLYING THE WAY OF CALCULATING THE EFFICIENCY, POWER AND KW-INPUT FOR VARIABLE SPEED PUMP AT A GIVEN DESIRED HEAD AND DESIRED FLOW AS SHOWN IN THE PAPER TITLED: " how to calculate the pump efficiency and power for variable speed pump" File 3: this code is to correct the use of affinity law by shifting the curve to intersect with the system-curve at the desired flow as shown in the paper titled: "The Correct Method of Calculating Energy Savings to Justify Adjustable-Frequency Drives on Pumps"

本代码实现了人工鱼群算法（ASFA.m）,并用该算法寻找Sphere函数的极小值(This is a ASFA .)