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sscyd.rar
- 二阶数字谐振器的频率特性和滤波器的幅频特性和相位特性和预畸变在双线性变换中的作用,Second-order digital resonator frequency filter characteristics and amplitude-frequency characteristics and phase characteristics and pre-distortion in the bilinear transform the role of
DSP
- 先采集一单声道音频信号（.wav）并用WAVREAD文件采样读取，并对其进行频谱分析。分别用窗函数法和双线性变换法设计低通、高通、带通三种FIR滤波器和IIR滤波器。用M文件使信号通过滤波器并对输出信号进行时域和频域分析。-First acquisition of a mono audio signal (. Wav) files with sampling WAVREAD read, and their spectral analysis. Window function, respectiv
work
- MATLAB算法仿真。自适应陷波滤波器去除单一频率的干扰。并且频率可调整。自适应信号处理。外加上一个讲义-MATLAB notch filter to trid off single frequency
main
- 传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此我们需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。 -Wideband signals in the traditional sinusoidal interference suppression method is to use a notch filter (notch fil
123
- IIR数字滤波器的设计，抽样频率为2*pi*1.5*10^4,通带截止频率为2*pi*1.5*10^3-IIR digital filter design, sampling frequency of 2* pi* 1.5* 10 ^ 4, pass-band cut-off frequency of 2* pi* 1.5* 10 ^ 3
szxhsy
- 数字信号处理实验详解及MATLAB实现源代码 实验一： 系统响应及系统稳定性 实验二： 时域采样与频域采样 实验三： 用ＦＦＴ对信号作频谱分析 实验四：ＩＩＲ数字滤波器设计及软件实现 实验五： FIR数字滤波器设计与软件实现 实验六： 数字信号处理在双音多频拨号系统中的应用-Detailed experimental digital signal processing and MATLAB source code to achieve the experimental on
filterbank8
- 8 通道双正交余弦调制滤波器组实现，滤波器的采样频率为 Fs:20000Hz 设计的低通原型的通带频率为625Hz 阻带衰减80db，滤波器的系数长度为512-8-channel biorthogonal cosine-modulated filter banks to achieve, filter sampling frequency Fs: 20000Hz designed a prototype low-pass frequency of 625Hz passband stopband
DigitalEqualizer
- After the run of the "MyEqualizer.m" file a graphical user interface appear. By pressing the "Load" we can load audio signal (type .wmv). After we can model the frequency behavior of the FIR filter that is used to filter that signal. After we can lis
GaborFilter(2)
- This version of the 2D Gabor filter is basically a bi-dimensional Gaussian function centered at origin (0,0) with variance S modulated by a complex sinusoid with polar frequency (F,W) and phase P.-This version of the 2D Gabor filter is basically a bi
Assignment_3
- * Frequency domain filtering -1. Discrete Fourier Transform Write a C++ function for each of following: (a) Multiply the input image by (-1)x+y to center the transform for filtering. (b) Compute the two-dimensional discrete F
chx
- 以“低成本和高性能”为设计思想，借助虚拟仪器的概念和高速的数字信号处理算法将传统的函数发生器、示波器、数据记录仪、频率计、谱分析仪以及滤波器的设计和仿真等功能高度集成、统一平台方便使用。 -With " low cost and high performance" for design ideas, using the concept of virtual instruments and high-speed digital signal processing algorit
filter
- 巴特沃斯低通滤波器的MFC程序，FS是采样频率，fp是截止频率，大家-Butterworth low-pass filter MFC process, FS is the sampling frequency, fp is the cut-off frequency, we take a look at
Hanning
- N=15, 。用Hanning窗设计一线性相位带通滤波器，观察它的实际3dB和20dB带宽。N=45，重复这一设计，观察幅频和相位特性的变化，注意长度N变化的影响。-N = 15,. Hanning window design with a linear-phase band-pass filter, observe its actual 3dB and 20dB bandwidth. N = 45, repeat the design, observe the amplitude-freque
filter
- 模拟滤波器的设计包含了巴特沃斯滤波器，切比雪夫滤波器，椭圆滤波器，以及10阶贝塞尔滤波器的平方幅频率和相频响应曲线，贝塞尔滤波器的特点是：在0拼时具有最平坦的群延迟，并在整个通带群延迟几乎不变-Analog filter design consists of Butterworth filters, Chebyshev filters, elliptic filters, as well as 10 pieces of first-order Bessel filter is the squar
filter
- 图像频率域分析，包含低通，带通和同态滤波函数，非常值得参考。-Image frequency domain analysis, including low-pass, band pass filtering function and with the state, is worth considering.
pipeilvbo
- 产生一个chirp信号，给出时域及频域特性。利用匹配滤波器进行滤波。如果有延时也能正确滤波。-Generate a chirp signal, given the time domain and frequency domain characteristics. Filtering using matched filter. If there is delay filter can correct.
pilotbasedchannelestimatininOFDMsystems
- 频域不同导频密度的信道估计在被研究，并且在高低时延信道其信道估计被固定了导频分配时域。频域信道估计是基于插补，多项式的广义线性模型（或最小二乘法）和维纳滤波（或线性最小均方误差法）的方法。时域的信道估计是用线性插补完成的。我们通过测量在基于克拉克散射模型的瑞利衰落信道上并带有QPSK调制的粗误码率，已经比较了所有这些方案的结果。-Different pilot density in frequency domain channel estimate to research, and its hi
gabor_image_paper
- Example of a two-dimensional Gabor filterIn image processing, a Gabor filter, named after Dennis Gabor, is a linear filter used for edge detection. Frequency and orientation representations of Gabor filter are similar to those of human visual system,
ImageProcessing
- Image Processing: Frequency Domain Enhancement Generate noisy versions of the cameraman image by adding noise with the following characteristics: Uniform with mean 40 and standard deviation 20 Gaussian of mean 40 and standard deviation
filter bandpass
- Bandpass Filters A band pass filter is an electronic circuit that allows the passage of a Frequency range of a signal and attenuates the remaining frequencies. We present three bandpass filters that added deliver the audible spectrum By the human