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phasecong
- 本程序应用相位一致性进行边缘检测,较以往应用灰度信息进行边缘检测算法,该算法与光照无关,且抗噪声性能强-phase of the application process consistency edge detection, gray than in the past Application information edge detection algorithm, The algorithm has nothing to do with illumination, and strong ant
dsnonoise
- 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱,而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声(PN)码。要传送的信息经数字化后变成二元数字序列,它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去,在接收机中要有一个和发射机中的伪随机码同步的本地码,对接收信号进行解扩,解扩后的信号送到解调器取出传送的信息-
chengxu 按心电信号画出信号时域波形和频谱图
- 1.找点一段心电信号,画出信号时域波形和频谱图; 2. 利用MATLAB中的随机函数产生噪声加入到心电信号中,使心电信号被污染,读出污染后的号并画出对应信号的时域波形和频谱图; 3.用双线性变换法设计一个Butterworth带通滤波器,输出所设计的滤波器的阶次,分子、分母多项式的系数,画出滤波器的频率响应(幅频响应和相频响应)曲线;(也可以根据自己需要设置滤波器性能指标) 带通通滤波器设计性能指标:fs1=10Hz, fp1=20Hz, fp1=1000Hz, fs2=120
PhaseBasedTemplateMatching
- Phase Based Template Matching: Phase information is used for matching the input imagery with the template. Both the images are filtered with canny edge detector. The timing efficiency is introduced by implementing skipping steps while doing correlati
gaosi
- 图像增强处理方法,这M文件是对加入高期噪声后应用了中值滤波,均值滤波,低通滤波等方会分别来处理的程序。-Image enhancement method, this document is to join M phase noise after the application of the high value of the filter, mean filter, low pass filtering and so on will be to deal with the procedures,
add_phase_noise
- 增加相噪的程序,可以把测量结果转化为相为噪声,使用非常方便。-The program to add phase noise, the measurement results can be translated into phase noise, very convenient to use.
PSK
- PSK信号载波相位符号定时联合估计,载波环采用判决反馈环,去除噪声平方损耗,定时模块采用早迟原理, 里边有详细的注释,希望对大家有用。点击即可运行。-PSK signal carrier phase joint estimation of symbol timing, carrier ring using decision feedback loop, remove the noise square loss, using early-late timing module principle
Image-Enhancement
- 交换两幅图像的相位谱,利用频域滤波消除周期噪声!-Exchange of two images of the phase spectrum, using frequency domain filtering periodic noise elimination!
08kz1241
- 实现了物光和参考光双加密的数字全息加密方法,并从理论模拟和实验上分别验证了该方案,其安全性远高于仅加密一束光时的情况.使用双随机相位加密法加密了原始图像,并使用随机相位片编码了参考光. 加密后的图像由 CCD 接收后再使用计算机处 理.在实验上检测了该系统的信噪比和容错性, 并计算得到系统的密钥长度高达6.3×1014 .-Object and reference light to achieve a double-encrypted digital holographic encryp
BID-of-Multichannel
- 盲辨识的模糊和多路冷杉完美的图像恢复 乔治·吉昂奈吉斯,研究员,美国,和罗伯特·希斯,小,成员,美国-Despite its practical importance in image processing and computer vision, blind blur identification and blind image restoration have so far been addressed under restrictive assumptions such a
evaluate
- 此程序可以利用相位一致性计算含有条带噪声不同带宽高光谱图像的图像质量。-This program can take advantage of the phase coherence calculated noise bandwidth hyperspectral image containing bands image quality.
code
- 频域图像增强,交换两幅图像的相位谱,利用频域滤波消除周期噪声-Frequency-domain image enhancement, image exchange two phase spectrum, frequency domain filtering to eliminate periodic noise
RDA_SmallSquintAngle
- sar成像RD算法仿真。可以仿真单点目标和多点目标,可以添加方位向相位噪声-sar RD imaging algorithm simulation. You can emulate a single point and multi-point target goal, you can add azimuth phase noise
TV-PC
- 全变差模型和相位一致性结合提取图像的边缘信息,有效的处理了噪声的影响-Total variation model and the phase coherence combined edge image information extraction, effective treatment of the effects of noise
BPSKpinlv
- 二相编码雷达脉冲雷达信号的参数提取。在二相编码雷达脉冲信号上加入噪声,然后在提取改信号的频率-Second phase coding parameter extraction radar pulse radar signals. Join noise in the two-phase encoded radar pulses, and then change the frequency of the signal extraction
erxiangbianmacanshutiqu
- 对加入噪声后的二相编码雷达脉冲信号进行一系处理,提取其信号的参数。-After joining the noise of the two-phase coding signals a series of radar pulses are processed to extract the parameters of their signals.
LFT
- 在MATLAB环境下对相位图进行噪声滤波处理,这是一个改进的新方法,滤波效果较好。-In the MATLAB environment to noise filtering processing of phase diagram, this is a new method to improve, filtering effect is better.
CT
- 在matlab环境下,对带有ESPI噪声的相位图进行滤波处理。-In the matlab environment, with phase diagram of ESPI noise filtering processing.
12866105matlab_temporal-phase-unwrapping-
- 使用方便的图像处理程序,能够完成滤波锐化去噪声等功能,且可以实现自动识别阈值(Easy to use image processing program, can be completed filtering, sharpening, noise and other functions, and can achieve automatic recognition threshold)
bkkvs
- Including compression ratio, image restoration computing uptime and peak signal to noise ratio, The Chinese have a comment, understand it, Three-phase photovoltaic inverter and network simulation.