lab1

说明：  有限单元法及其应用 彭细荣，matlab在有限单元中的应用及其代码，可以应用其掌握该方法的弹性求解过程。 (matlab application finite element method )

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"

说明：  实现了hu的七个不变矩，matlab实现，很实用(This code realize Hu s moment by matlab)

Newton下山法的计算程序，通过它可以求解复杂函数的根(Newton downhill method the computer program, through which can solve the root of complex functions)

说明：  改进的粒子群对图像的codebook快速矢量最优化(Improved the image of the codebook particle swarm optimization Fast Vector)

Speech analysis in matlab

matlab得接收机放入仿真程序，很有参考价值，值得学习一下(matlab get the receiver into the emulation program, useful and worth learning about)

基于WiMAX IEEE 802.16e物理层规范的Simulink模型参考。(Based on the WiMAX IEEE 802.16e physical layer specification of the Simulink model reference.)

直流电路的暂态计算 Matlab 物理 (The transient calculation of the DC circuit)

radar matlab simulation