ISAR成像RD算法

配套数字图像处理源代码（冈萨雷斯）的所有程序。对学数字图像处理的有很大帮助(Complete source code for digital image processing (Gonzalez) in all programs. To the learning of digital image processing helps a lot)

greek letters in matlab with code explanation

The 16x2 LCD Display requires a specific startup sequence // to initialize itself. This sequence (1) clears the display, // (2) moves the cursor to home, (3) resets the function code // (4) turns the display on, and (5) sets the entry mode

TSP问题 著名的旅行商问题 matlab程序，压缩包里一共有3个文件(Well-known traveling salesman problem TSP problem matlab program, a total of three compressed package files)

Frequency Hopping Spread Spectrum

line detection using hough transform

二相编码信号，频率编码信号的时域和频率仿真波形(A two-phase coded signal, a frequency-coded signal, and a frequency-controlled waveform)

FDTD matlab 平面波模拟 UPML(FDTD matlab plane wave UPML)

otsu s method used to find the threshold for bi-model histogram image.

经典的香农采样定理认为,为了不失真地恢复模拟信号,采样频率应该不小于奈奎斯特频率(即模拟信号 频谱中的最高频率)的两倍.但是其中除了利用到信号是有限带宽的假设外,没利用任何的其它先验信息.采集到 的数据存在很大程度的冗余.Donoho等人提出的压缩感知方法(Compressed Sensing或Compressive Sampling, CS)充分运用了大部分信号在预知的一组基上可以稀疏表示这一先验信息,利用随机投影实现了在远低于奈奎斯 特频率的采样频率下对压缩数据的直接采集.该方法不仅为降低采样频率提供了一种新思路,也为其它科学领域 的研究提供了新的契机.该文综述性地阐述了压缩感知方法的基本原理,给出了其中的一些约束问题和估计方法, 并介绍压缩感知理论的相关问题———矩阵填充,最后讨论了其未来可能的应用前景. (According to the conventional Shannon s sampling theorem,in order to represent the analog signal,the sampling rate should not be less than twice the Nyquist sampling rate.Howev- er,this theorem only makes use of the bandwidth information.As a result,the collected data contain many redundant information.The recently proposed sampling method,compressed sens- ing or compressive sampling(CS),can collect compressed data at the sampling rate much lower than that needed in Shannon s sampling theorem by exploring the compressibility of the signal. This paper presents a review on the basic theory of CS.Some of the restrictions and recovery methods in CS are also discussed.Finally,some potential applications based on CS are presented. )