code

audio compression matlab code

雷达信号处理领域入门与提高的好资料，适合于考前复习与项目使用，对很多概念有深入讲解，易于理解(A good data entry field of radar signal processing and improve the exam review, suitable for use with the project, there are many in-depth explanation of concept, easy to understand)

自己用matlab编写的求FFT的程序，程序简单易懂！(Seeking FFT program written using matlab, the program is simple and easy to understand!)

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"

matlab中读取excel表格的重要途径(an important way to read excel spreadsheet matlab)

matlab下莫比乌斯函数的实现，中间还有一个普通的判别一个数是否是素数的程序(matlab implementation under the Mö bius function, in the middle there is a regular judge whether a number is prime number program)

matlab 实例100 1-32是：图形应用篇 33-66是：界面设计篇 67-84是：图形处理篇 85-100是：数值分析篇 (100 1-32 is an example matlab: graphics applications is 33-66 Part: Part 67-84 interface design is: graphics processing chapter 85-100 are: Numerical Analysis Section)

它是基于均匀圆阵的非圆信号NC-MUSIC算法的波达方向估计(It is DOA estimation of UCA Based on NC-MUSIC algorithm)

仿真QPSK信号通过瑞利衰落信道的误比特率，并与AWGN信道下误比特率进行比对(Simulation of QPSK signal through the Rayleigh fading channel bit error rate, and AWGN channel bit error rate comparison)

利用MATLAB实现图像的离离散余弦变换的源代码可直接使用。 (The source code using MATLAB' s image away from the discrete cosine transform can be used directly.)