Description: 本代码用来产生给定维数的高斯噪声序列。均值方差可以仍未给定。-The code used to generate a given dimension of the Gaussian noise sequence. Mean-variance can not yet given. Platform: |
Size: 2048 |
Author:zzw19831114 |
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Description: 用于产生gamma分布的噪声序列,以及分析gaussian噪声的各参数。-Gamma distribution used to generate the noise sequence, as well as the analysis of Gaussian noise in each parameter. Platform: |
Size: 4096 |
Author:zzw19831114 |
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Description: 产生一均匀分布的白噪声信产生均匀分布的白噪信号,使均值为0,功率为p号u(n),画出其波形,并检验其分布情况,产生零均值功率0.1且服从高斯分布的白噪声,sinc信号,chirp信号,线性卷积-Generate uniformly distributed one letter of the white noise generated uniformly distributed white noise signal, so that the mean is 0, the power for the p number u (n), draw their waveforms, and test its distribution, resulting in zero average power of 0.1 and subject to Gaussian distribution of white noise, sinc signals, chirp signals, the linear convolution Platform: |
Size: 8192 |
Author:白璐 |
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Description: 16QAM的数字通信系统的仿真,包括调制解调,上下变频,加入了高斯白噪声,并且每个步骤都生成相应的图形-16QAM digital communication system simulation, including the modulation and demodulation, frequency conversion from top to bottom, by adding a Gaussian white noise, and each step to generate the corresponding graphics Platform: |
Size: 5120 |
Author:孙慧勇 |
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Description: 这个matlab程序实现的是一个噪声生成器,它可以生成高斯、椒盐、加性及乘性噪声,并把这些噪声添加到一幅图像上。-Matlab implementation of this process is a noise generator, it can generate Gaussian, salt and pepper, additive and multiplicative noise, and noise is added to put these on an image. Platform: |
Size: 2048 |
Author: |
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Description: FSK实现,对数据的调制和解调,加入高斯白噪声,最后产生眼图。-FSK implementation, the data modulation and demodulation, add Gaussian white noise, and finally generate the eye diagram. Platform: |
Size: 1024 |
Author:张先生 |
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Description: DSB-SC信号的生成与解调
1) 用离散(DSP)的方法生成DSB信号
2) 载波频率为150KHz,音频为500Hz和2000Hz的混合音。
3) 加入高斯白噪声
(4) 语音信号
的传输。
改变抽样频率和量化台阶大小,观察重建信号以及量化噪声信号的波形;对于语音信号主观评价声音质量的变化。
-DSB-SC signal generation and demodulation 1) Discrete (DSP) methods to generate DSB signal 2) the carrier frequency to 150KHz, audio 500Hz and 2000Hz for the mixed tone. 3) by adding white Gaussian noise (4) transmission of voice signals. Change the sampling frequency and quantization step size, to observe the reconstruction of signal and quantization noise signal waveform for subjective evaluation of the speech signal changes in sound quality. Platform: |
Size: 28672 |
Author:Ryan |
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Description: 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 Platform: |
Size: 312320 |
Author:刘蓉 |
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Description: Cooperative communication_power control
a) Generate random binary sequence of +1’s and -1’s.
(b) Given different Power to the source and the relay as well
(c) Multiply the symbols with the channel and then add white Gaussian noise.
(d) At any receiver(relay or destination), equalize (divide) the received symbols with the known channel
(e) Perform hard-decision-decoding and count the bit errors
(f) Plot the power given to both source(Ps) and relay(Pr) with both SNR and BER
-Cooperative communication_power control
a) Generate random binary sequence of+1’s and-1’s.
(b) Given different Power to the source and the relay as well
(c) Multiply the symbols with the channel and then add white Gaussian noise.
(d) At any receiver(relay or destination), equalize (divide) the received symbols with the known channel
(e) Perform hard-decision-decoding and count the bit errors
(f) Plot the power given to both source(Ps) and relay(Pr) with both SNR and BER
Platform: |
Size: 1024 |
Author:tafa |
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Description: Matlab小程序,其功能可以产生高斯色噪声的随机数等,很有用的喽!-Matlab small program, its function can generate a random number of Gaussian color noise, etc., very useful myself! Platform: |
Size: 1024 |
Author:GYuan |
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Description: 设计一个matlab雷达信号仿真界面程序。(提示:例如可以根据选择产生一个不同类型噪声(均匀分布、高斯分布等类型),并在界面中显示该噪声时域图形,并能根据要求画出该噪声的自相关、FFT等信号处理后的结果。)-Design a matlab radar simulation interface program. (Hint: for example, can choose to generate a different type of noise (uniform distribution, Gaussian distribution type), and the noise in the interface displays the time domain graph, and can draw upon request of the noise autocorrelation, FFT and other signal processing the results.) Platform: |
Size: 11264 |
Author:王勇 |
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Description:
第一章作业:
用C语言或者VC,VB,Matlab或其他语言完
成如下实验:
1)打开一个BMP文件
2)将其局部区域的灰度值进行改变
3)另存为一个新的BMP文件
要求显示出原BMP图像和新BMP图像。
1。打开一幅图像,添加椒盐、高斯噪声,然后使用邻域平均法、中值滤波法、K邻近平均法进行平滑。
2。打开一幅图像,利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化,并比较结果。
第五章作业
编写一个程序,对输入的图像进行哈夫曼编码,显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。
在图像中生成一个矩形,然后用模板匹配法找出矩形位置。使用SSDA或改进SSDA法。
第五章作业
编写一个程序,对输入的图像进行哈夫曼编码,显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。
-Chapter operations: in C or VC, VB, Matlab or other languages to complete the following experiment: 1) open a BMP file 2) the gray value of its local area to change 3) Save as a new requirements display BMP files the original BMP image and the new BMP image. 1. Open an image, add salt and pepper, Gaussian noise, and then use the neighborhood average, median filtering, K adjacent average smoothing. 2. Open the image using the Roberts gradient, Sobel operator and Laplacian sharpening, and compare the results. Chapter operations to write a program, the input image Huffman, display the original image entropy encoded average code word length, and be able to reconstruct the image according to encoding. Generate a rectangle in the image, then use template matching to identify position of the rectangle. Or improved using the SSDA SSDA method. Chapter operations to write a program, the input image Huffman, display the original image entropy encoded average code word length, and be Platform: |
Size: 6144 |
Author:杨智雄 |
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Description: 根据伪随机序列理论,由混合同余法产生均匀分布的随机数,进而根据中心极限定理来产生高斯噪声。
分析所产生的均匀分布和高斯分布随机信号的均值、方差、自相关等数字特征,估计其概率密度函数并进行分析,估计其功率谱密度并进行分析。说明该高斯噪声是否符合白噪声特性。
对该高斯噪声进行FIR低通滤波,估计输出低通型限带白噪声的功率谱、相关时间等,并结合白噪声通过线性系统相关理论来进行分析。
-According to the theory of pseudo-random sequence, a uniformly distributed random numbers by mixed congruential method to generate Gaussian noise, and then according to the central limit theorem. Produce a uniform distribution of the analysis and the mean of the Gaussian distribution random signals, variance, since the digital characteristics of the correlation, the probability density function is estimated and analyzed, it is estimated that its power spectral density, and analyzed. The Gaussian noise is in line with the characteristics of white noise. FIR low pass filter of the Gaussian noise, the estimated output of low-pass type band-limited white noise power spectrum, time, etc., combined with the white noise to be analyzed by linear system theory. Platform: |
Size: 1024 |
Author:Lee |
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Description: 本算法在实验室环境下录制语音,并加入matlab仿真软件产生的高斯噪声,成功实现了谱减法语音降噪-Record the voice of the algorithm in a laboratory environment, and added matlab simulation software generate Gaussian noise, the successful implementation of spectral subtraction speech noise reduction Platform: |
Size: 87040 |
Author:汪涛 |
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Description: 此matlab程序用于产生雷达信号处理领域中的高斯杂波信号。-This matlab program is used to generate Gaussian noise signals in the field of radar signal processing . Platform: |
Size: 1024 |
Author:wangwei |
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Description: 这个matlab程序实现的是一个噪声生成器,它可以生成高斯、椒盐、加性及乘性噪声,并把这些噪声添加到一幅图像上。-Matlab implementation of this process is a noise generator, it can generate Gaussian, salt and pepper, additive and multiplicative noise, and noise is added to put these on an image. Platform: |
Size: 2048 |
Author:shapp |
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Description: 利用Matlab工具,通过wgn函数生成高斯噪声,通过多重自相关方法,对高斯白噪声环境下的正弦信号进行分析与提取-Use Matlab tool to generate Gaussian noise by wgn function through multiple autocorrelation method, the sinusoidal signal Gaussian white noise environment analysis and extraction Platform: |
Size: 49152 |
Author:doreen |
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Description: 生成高斯分布的随机数,在加性高斯信道中使用,增加高斯噪声(Generate the random number of gaussian distribution and use it in additive gaussian channel to increase gaussian noise) Platform: |
Size: 122880 |
Author:uuu就是
|
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