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This book is about signal processing, which includes processes for synthesizing, transforming, and analyzing signals. It focuses on sound signals, but the same methods apply to other signals, like electronic signals and mechanical vibration.

Not mine code, but very usefull!

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"

FxLMS - Filtered X - LMS for ANC systems (offline initiation)

说明：  在MATLAB环境下实现霍夫曼编码与译码(In the MATLAB environment to achieve Huffman encoding and decoding)

卡尔曼滤波器的三种设计方法，在信号估计中有很好的表现，都调试通过了。(Three Kalman filter design, signal estimation in a good performance, all debugging adopted.)

给予QPSK调制的awgn信道调制与解调的matlab例程(Give QPSK modulation awgn channel modulation and demodulation matlab routines)

FFA（快速折叠算法），实现噪声中的周期信号检测，及周期估算(FFA (fast folding algorithm), the realization of the periodic signal in noise detection, and cycle estimates)

说明：  经典浓度聚类算法DBSCAN的MATLAB实现，简单易懂，可以运行(Classical clustering algorithm DBSCAN concentration of MATLAB implementation, easy to understand, you can run)

matlab实现的阴影消除程序，图像处理的常用程序，供大家参考(Shadow Elimination matlab implementation procedures, common image processing program, for your reference)