pngen

Image division in blocks 8x8 jpeg compression

understanding GPS KAPLAN Second edition

采用BP算法进行函数拟合，收敛速度较快。(BP function fitting algorithm, convergence faster.)

可以直接用的LSL算法程序，使用MATLAB编写(Can use the LSL algorithm, written using MATLAB)

GUI 是一种结合计算机科学、美学、心理学、行为学，及各商业领域需求分析的人机系统工程，强调人—机—环境三者作为一个系统进行总体设计。(GUI is a combination of computer science, aesthetics, psychology, behavioral science, and the commercial areas of human-computer systems engineering requirements analysis, emphasizing the human- machine- environment as a system of three overall design.)

Linear Wave Theory velocity and acceralation clalc

超声IUVS图像需要画边缘，手工画点，自动平滑(Need to draw the ultrasound IUVS image edge, hand-painted point, automatic smooth)

运行matlab平台，烟花寻优算法，自己编的(Operation of MATLAB platform and optimization algorithm for fireworks)

Matlab环境下的基于平滑宽带信号的编程(Matlab environment based on the smooth programming of broadband signals)

code for filtering for DWT Chain process