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Abstract—In this paper, a new lossy technique based on wavelet transform for compression of breast ultrasound images is presented. The experiments are performed on 16 different wavelet functions and the quality of reconstructed images is evaluated by using Compression Ratio (CR), Normalized Mean Square Error (NMSE), Normalized Absolute Error (NAE), and Peak Signal to Noise Ratio (PSNR) criterion. An ultrasonographer performed the subjective assessment. This study shows that among the utilized wavelets,

仿真实现均匀圆阵任意阵元工作时的方向图，工作参数可任意调节(Simulation of uniform circular array of arbitrary array work pattern)

介绍了卷积码的特点以及卷积码的编码和解码, 讨论了加入交织后的对卷积编码的误码率的改 善情况, 并(Describes the characteristics of convolutional codes, and convolutional code encoding and decoding, after the discussion by adding cutting the error rate of the convolutional coding to improve the situation and)

用matlab语言编写的基于连续小波变换分析光栅信号的案例(using Matlab language based on the continuous wavelet transform grating signal case)

matlab程序，实现广义S变换功能，广义S变换是用于时频分析的一重算法。(ST code in matlab)

巴特沃斯滤波器程序,实现fir滤波器的设计以及 幅频特性和相频特性的实现(butterwoth filter)

传感器阵列波束优化设计与应用书籍第7章的matlab程序(Chapter 7 matlab program of book Sensor array beam optimization design and application)

emd过程的详细演示 可以帮助刚刚接触hht的人了解 emd的过程(EMD detailed demonstration of the process can help just contact HHT people understand the process of EMD)

HERE ITS A CODE FOR CONNECTED COMPONENT OF ANY IMAGE IN MATLAB