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按分类查找All 波变换(264) 

[波变换] 使用程序

小波分析(wavelet analysis), 或小波转换(wavelet transform)是指用有限长或快速衰减的、称为母小波(mother wavelet)的振荡波形来表示信号。该波形被缩放和平移以匹配输入的信号。
Wavelet analysis, or wavelet transform, refers to the use of oscillating waveforms called mother wavelets with finite length or fast decay to represent the signal. The waveform is scaled and translated to match the input signal. (2019-01-07, matlab, 16KB, 下载3次)

http://www.pudn.com/Download/item/id/1546851566885874.html

[波变换] power_thyristor

控制触发角,可将交流变为想要的直流电压和波形
Control the firing angle to change AC to the desired DC (2017-11-19, C/C++, 17KB, 下载1次)

http://www.pudn.com/Download/item/id/1511061537605997.html

[波变换] eemd

EEMD算法用于波形变换分析,供图像处理人员使用,方便简洁有效
EEMD algorithm for waveform transform analysis, for image processing personnel to use, convenient, simple and effective (2017-07-12, WINDOWS, 2KB, 下载4次)

http://www.pudn.com/Download/item/id/1499867316363595.html

[波变换] bdfgbggrxcdis

基于小波变换法的心电信号波形自动检测算法研究,MIT-BIH数据库
Automatic ECG waveform detection algorithm based on wavelet transform, MIT-BIH (2015-04-29, TEXT, 2KB, 下载6次)

http://www.pudn.com/Download/item/id/1430318012777774.html

[波变换] FFT

可以在processing中运行的FFT,利用串口发送采集的数据,然后交给processing处理显示波形。
You can run the processing FFT, using the serial port to send the collected data, and then to processing processing and display waveforms. (2013-05-30, Java, 2KB, 下载10次)

http://www.pudn.com/Download/item/id/2264071.html

[波变换] sarchengxiang

SAR成像仿真,设定场景参数,目标参数和信号参数后对应两种不同分辨率完成正交解调接收方式仿真SAR回波信号,观察信号的时、频域波形。
SAR imaging simulation, set the scene parameters, target parameters and signal parameters corresponding to the two different resolutions to complete the quadrature demodulator receiver simulation SAR echo signal, observed signal, the frequency domain waveform. (2013-05-20, matlab, 7KB, 下载79次)

http://www.pudn.com/Download/item/id/2250706.html

[波变换] sinwave

基于VB的源代码,通过自己设定的频率、振幅、样点个数、符号个数生成正弦波并进行波形绘制。
Through its own set of frequency, amplitude, number of samples, the number of symbols to generate a sine wave and waveform drawing. (2012-11-29, Visual Basic, 5KB, 下载4次)

http://www.pudn.com/Download/item/id/2065472.html

[波变换] wavelet

用MATLAB对一语音信号进行小波分解,然后对其各层系数进行处理以达到小波抑制的目的,重构处理后的信号,画出波形分析;用MATLAB实现对一语音信号用不同小波进行分解,提取各层的高低频系数,画出各系数波形,并重构;用MATLAB对一图象分别用不同小波分解,观察高低频部分进行重构,比较重构误差,再进行阈值消噪,比较消噪前后图象;用MATLAB对一语音信号进行小波分解,分别用强阈值,软阈值,默认阈植进行消噪处理。
Wavelet decomposition and reconstruction (2012-05-03, matlab, 2KB, 下载67次)

http://www.pudn.com/Download/item/id/1853575.html

[波变换] YWXB

首先从pspice仿真文件(.out文件)中读取仿真数据,再进行小波变换,并读取细节参数,波形能量等
Firstly,simulation data is imported into MATLAB using PSPICE and MATLAB software data interface technology.Secondly,wavelet transform is done in MATLAB (2011-12-14, matlab, 1KB, 下载6次)

http://www.pudn.com/Download/item/id/1731300.html

[波变换] FFT

由已知表达式画出原始波形和它的功率谱,并编制一个互相关函数程序,要求提取特定频率的成分,画出变换过程中的波形和功率谱。
Drawn from the known expression of the original waveform and its power spectrum, and the preparation of a cross-correlation function procedure that requires the extraction of specific frequency components, draw in the process of transformation and power spectrum waveforms. (2011-09-20, Visual C++, 2KB, 下载69次)

http://www.pudn.com/Download/item/id/1649944.html

[波变换] pulse

脉搏信号分析 (1)设计滤波器,实现对脉搏信号的噪声抑制和基线纠漂; (2)时域分析:波形特征检测; (3)功率谱分析:对消噪后的信号进行功率谱分析。要求计算信号的功率谱,功率谱峰值,峰值频率。
Pulse signal analysis (1) design the filter, to achieve the pulse signal noise suppression and baseline drift correction (2) time-domain analysis: waveform feature detection (3) power spectral analysis: noise cancellation signal after the power spectrum analysis . Require calculation of the signal power spectrum, peak power spectrum, peak frequency. (2011-07-13, matlab, 6KB, 下载209次)

http://www.pudn.com/Download/item/id/1596157.html

[波变换] chengxu

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=1200Hz, ap=18dB,as=3dB 4.用滤波器对含噪声的心电信号进行滤波,画出滤波以后信号的时域波形和频谱; 5.比较滤波前后信号变化;
1. Find a ECG, draw time-domain signal waveform and frequency spectrum 2. Using MATLAB random function in the noise added to the ECG, so that the contaminated ECG signals, read out the contamination of the number and draw the corresponding time domain waveform and frequency spectrum 3. Bilinear transformation method used to design a Butterworth bandpass filter, the output of the order of the filter design, numerator, denominator polynomial coefficients, draw the filter frequency response (amplitude frequency response and phase frequency response) curve (you can also set filters based on their performance needs) Filter design with all the performance indicators: fs1 = 10Hz, fp1 = 20Hz, fp1 = 1000Hz, fs2 = 1200Hz, ap = 18dB, as = 3dB 4. Filters for ECG signal with noise filtering, after filtering the signal to draw the time-domain waveform and frequency spectrum 5. Compare signal change before and after filtering (2011-05-15, matlab, 64KB, 下载106次)

http://www.pudn.com/Download/item/id/1532699.html

[波变换] gonglvpu

设信号为x(n)=sin(2πf1n)+2cos(2πf2n)+w(n),n=1,2,....,N,其中f1=0.05,f2=0.12,w(n)为正态白噪声,试在N=356 和1024 点时,分别产生随机序列x(n)、画出x(n)的波形并估计x(n)的相关函数和功率谱
设信号为x(n)=sin(2πf1n)+2cos(2πf2n)+w(n),n=1,2,....,N,其中f1=0.05,f2=0.12,w(n)为正态白噪声,试在N=356 和1024 点时,分别产生随机序列x(n)、画出x(n)的波形并估计x(n)的相关函数和功率谱 (2010-12-14, matlab, 1KB, 下载16次)

http://www.pudn.com/Download/item/id/1380078.html

[波变换] lvbo

波形变换,采用另外一种新的滤波方式,可以很方便的有效地达到预想效果
Wave transformation, the use of another new filter, it can be easily and effectively achieve the desired effect (2010-03-24, matlab, 77KB, 下载2次)

http://www.pudn.com/Download/item/id/1098531.html

[波变换] lvbo

波形变换,采用另外一种新的滤波方式,可以很方便的有效地达到预想效果
Wave transformation, the use of another new filter, it can be easily and effectively achieve the desired effect (2010-03-24, matlab, 5KB, 下载2次)

http://www.pudn.com/Download/item/id/1098525.html

[波变换] 8psk

1、 产生等概率且相互独立的二进制序列,画出波形; 2、产生均值为0,方差为1的加性高斯随机噪声; 3、进行8PSK调制,画出波形; 4、进行蒙特卡罗分析; 5、解调8PSK,画出眼图。
1、Produce equal probability and independent of each other binary sequence, draw waveform 2、Generate mean 0, variance 1 of the additive Gaussian random noise 3、For 8PSK modulation, draw waveform (2009-10-22, matlab, 305KB, 下载110次)

http://www.pudn.com/Download/item/id/946640.html

[波变换] TMS320LF2407maketureSPWM

TMS320LF2407实现PWM波形的程序,希望对研究硬件的人有点帮助。
TMS320LF2407 procedures to achieve PWM waveform, in the hope that those who study the hardware to some extent. (2008-11-24, Visual C++, 11KB, 下载33次)

http://www.pudn.com/Download/item/id/587363.html

[波变换] xianxingxitong

智能控制bp算法,matlab编写的,可以出现3个波形供参考,以及简单的小波变换。
Bp intelligent control algorithm, matlab prepared, can appear three waveforms for reference, as well as the simple wavelet transform. (2007-08-25, matlab, 1KB, 下载64次)

http://www.pudn.com/Download/item/id/323407.html

[波变换] FRIT

计算小波变换的Mallat算法需要逐级分解和重构,而本文通过矩阵变换方法,给出不需逐级计算的小波分解和重构矩阵的构造方法,并给出9/7小波的分解和重构矩阵的基向量及波形图。
Calculation of the Mallat algorithm of wavelet transform decomposition and reconstruction needs level, and this article through the matrix transformation method of calculation without level wavelet decomposition and reconstruction of the structure matrix method of 9/7 wavelet decomposition and re- conformation of the base matrix and the wave vector. (2007-08-03, Others, 419KB, 下载114次)

http://www.pudn.com/Download/item/id/315011.html

[波变换] dailvboshiboqi

用NI公司的labview7.1编的一个程序。 本程序可以使用dmm设备采集数据信息,然后通过界面显示(类似示波器),而且,加入了滤波功能,能够自行选择滤波函数,显示滤波后的波形。
using NI companies labview7.1 a series of procedures. This procedure can be used for data acquisition equipment DMM information, then pass the interface shows (similar oscilloscope), but joined the filtering to choose their own filtering function, shows the waveform after filtering. (2006-04-28, MultiPlatform, 18KB, 下载69次)

http://www.pudn.com/Download/item/id/177614.html
总计:264