Description: 我编写的利用trous（多孔算法）实现小波变换，利用‘db4’小波函数分解两层，其中卷积运算采用频域的fft算法，给出了仿真信号的处理结果。-prepared by the use of trous (porous algorithm) to achieve wavelet transform, use 'db4' wavelet decomposition layers, which used convolution operators fft the frequency domain algorithm, given the signal processing simulation results. Platform: |
Size: 1024 |
Author:高锋 |
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Description: This program includes:
[5 7] convolutional code (encoder) + BPSK + AWGN + MAP (decoder). It evaluates Bit Error Rate and plots it versus SNR(signal to Noise Ratio).
-This program includes:
[5 7] convolutional code (encoder)+ BPSK+ AWGN+ MAP (decoder). It evaluates Bit Error Rate and plots it versus SNR(signal to Noise Ratio).
Platform: |
Size: 1024 |
Author:阳关 |
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Description: 卷积运算：取x(t)和h(t)的长度为nx,nh。平移量n=nh+nx-1，利用for和if语句实现倒序求和运算。外循环用一个for语句实现平移，通过在求和时取数组元素的顺序实现倒序求和-Convolution operation: take x (t) and h (t) of length nx, nh. Translational volume n = nh+ Nx-1, use for and if statements to achieve reverse summation operator. Outside the circle with a for statement to achieve translation, when taken in sum array elements to achieve reverse the order of summation Platform: |
Size: 1024 |
Author:1 |
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Description: 经典的Gabor滤波算法实现，利用指纹的局部特征包括脊线频率和方向通过求卷积实现带通滤波。-Classic Gabor filtering algorithm, using local features, including fingerprint ridge frequency and orientation, through seeking to achieve band-pass filter convolution. Platform: |
Size: 1024 |
Author:heying |
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Description: 分数阶fourier变换程序，基于插值和抽取操作和卷积运算的快速算法。-Fractional fourier transform procedures, based on interpolation and extraction operation and fast algorithm for convolution operation. Platform: |
Size: 1024 |
Author:julia |
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Description: [LDPC码]是LDPC码相关论文
[WuYuFei]中是WuYuFei的论文
[WuYufei_matlab]是WuYufei做Turbo码的Matlab程序
程序实现在固定信噪比和卷积长度的条件下，计算不同正常的帧错误概率和比特错误概率
turbo_sys_demo.m是主程序
其中trellis.m是构造网格的子程序
logmapo.m是LOGMAP译码算法子程序
sova0.m是SOVA译码算法子程序
encoderm.m是编码子程序
[22]是以WuYufei程序的改动，实现在帧长、信噪比和迭代次数固定的情况下，获得两个译码器的先验信息的变化情况
http://www.pudn.com
-[LDPC Code] LDPC code is a relevant paper [WuYuFei] is WuYuFei paper [WuYufei_matlab] is to do WuYufei procedures Turbo Codes Matlab program signal to noise ratio at a fixed length and convolution conditions, different normal frame error probability and the bit error probability is turbo_sys_demo.m main structure of which is trellis.m grid is logmapo.m Subroutine Subroutine LOGMAP decoding algorithm is the SOVA decoding algorithm sova0.m Subroutine Subroutine encoderm.m coding [22 ] WuYufei procedure is based on changes in帧长realize, signal to noise ratio and a fixed number of iterations circumstances, the acquisition of two decoder a priori information changes http://www.pudn.com Platform: |
Size: 1771520 |
Author:李灵 |
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Description: 该MATLAB程序评估了viterbi算法在衰落信道下的卷积译码的性能，包含卷积编解码，衰落信道，维特比算法等.m程序-The MATLAB program to assess the viterbi algorithm in fading channels the performance of convolutional decoding, including the convolution coding and decoding, fading channels, Viterbi algorithm. M procedures Platform: |
Size: 17408 |
Author:季晓澎 |
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Description: 几个Matlab编程示例，其中包括：单位抽样序列、复正弦序列、离散系统的差分方程、冲激响应和卷积分析、离散系统的频率响应分析和零、极点分布、基于Matlab的数字滤波器设计和FFT算法的应用等。-Some Matlab programming examples, including: random sequence of units, rehabilitation Sine sequences, discrete-time systems of differential equations, impulse response and convolution analysis of the frequency response of discrete-time systems analysis and zero pole distribution of the digital filter based on Matlab FFT algorithm design and applications. Platform: |
Size: 3072 |
Author:林立夫 |
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Description: 离散卷积计算
实验步骤：
主界面下进入实验五的“离散卷积计算”子实验，
输入有限长序列 x(n)
输入有限长序列 h(n)
鼠标单击确定按钮，以数值和图形两种方式显示卷积结果 -Discrete convolution calculation of the experimental steps: the main interface into the experiment five " convolution calculation of discrete" sub-experiment, the entry of a limited length sequence x (n) input sequence of finite length h (n) the mouse button to click OK to both numerical and graphical ways shows the results of convolution Platform: |
Size: 6144 |
Author:高荣 |
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Description: This a code for Viterbi algorithm,which is used in the decoding of convolution codes efficiently.-This is a code for Viterbi algorithm,which is used in the decoding of convolution codes efficiently. Platform: |
Size: 1024 |
Author:Gautham |
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Description: 印度GURUNANAK ENGINEERING COLLEGE数字信号处理实验室的DSP+c+Matlab联合编程手册-DIGITAL SIGNAL PROCESSING LAB (IV-I SEM)
INDEX
1. Architecture of DSP chips-TMS 320C 6713 DSP Processor
2. Linear convolution
3. Circular convolution
4. FIR Filter (LP/HP) Using Windowing technique
a. Rectangular window
b. Triangular window
c. Kaiser window
5. IIR Filter(LP/HP) on DSP processors
6. N-point FFT algorithm
7. Power Spectral Density of a sinusoidal signals
8. FFT of 1-D signal plot
9. MATLAB program to generate sum of sinusoidal signals
10. MATLAB program to find frequency response of analog Platform: |
Size: 1582080 |
Author:wangjin |
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Description: 利用大量图像数据对卷积神经网络算法进行训练，通过卷积、池化、下采样以及全连接层训练后的卷积神经网络在图像识别精度越来越高。(By using a large number of image data to train the convolutional neural network algorithm, the accuracy of the image recognition is higher and higher by convolution, pooling, down sampling and full connection layer training.) Platform: |
Size: 3072 |
Author:aperture
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Search - matlab convolution algorithm