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Description: 求功率谱估计常用的几种方法，包括周期图法，Welch 法，和AR模型法。-For power spectrum estimation commonly used in several ways, including periodogram, Welch law, and the AR model.
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Size: 1024 |
Author: 田晓红 |
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Description: 在功率谱估计中采用Bartlett法对信号进行功率谱估计。-In the power spectrum estimation method used in Bartlett signal power spectrum estimation.
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Size: 1024 |
Author: 帽子 |
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Description: it is a program in matlab to calculate psd and it also plot a graph to show these
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Size: 1024 |
Author: ehtesham |
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Description: 利用最大值熵法和PSD函数法分别求信号的功率谱密度。-The use of maximum entropy method and the PSD function method for seeking signals in the respective power spectral density.
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Size: 3072 |
Author: chenjuntang |
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Description: This filter is implemented as an FIR filter which has impulse response.MATLAB program for generating the impulse response of the Jakes filter,and filtering white noise with the filter.The first output figure shows the estimated PSD at the filter output. The second figure shows the magnitude of the envelope on a log scale. In a wireless communication system, this corresponds to the fading envelope.
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Size: 2048 |
Author: nidhi |
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Description: 基于Matlab的一MMSE的噪声PSD的执行跟踪的语音增强算法。这个包是一所描述的算法实现在“基于MMSE的低噪声PSD的跟踪与复杂性”，由理查德亨德里克斯，理查德Heusdens和Jesper詹森，IEEE国际会议声学，语音和信号处理，03/2010，达拉斯，德克萨斯州，p.4266 - 4269，（2010年）。
该算法具有较低的复杂性，但能够准确地估计非平稳的延迟相当低噪声PSD的跟踪噪声。-Matlab implementation of an MMSE based noise PSD tracking algorithm for speech enhancement. This package is an implementation of the algorithm described in "MMSE BASED NOISE PSD TRACKING WITH LOW COMPLEXITY", by Richard C. Hendriks, Richard Heusdens and Jesper Jensen, IEEE International Conference on Acoustics, Speech and Signal Processing, 03/2010, Dallas, TX, p.4266-4269, (2010).
The algorithm has rather low complexity, but is able to accurately estimate the noise PSD for non-stationary noise with rather low tracking delay.
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Size: 342016 |
Author: zaaa |
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Description: 从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力，进行实验仿真，比较不同的窗函数，不同的数据长度对Welch法谱估计质量的影响，并分析了造成这些影响的原因。-The paper mainly introduces the principles of Periodogram method of classical PSD estimation,analyzes the deficiency of Periodogram method in theory,and makes use of Welch to amend Perodogram method. By the use of simulation in Matlab, the impacts of different window function and different lenghth of data on estimation quality of Welch are discussed and the reasons of the impacts are analyzed.
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Size: 214016 |
Author: co |
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Description: matlab实现矩形脉冲和根升余弦脉冲的QPSK调制功率谱密度及不同信噪比信道下的星座图，直接运行main函数即可-Plot the power density spectrum of the transmitted signal (e.g., with the matlab function psd) with different pulse shapes. How is it affected if a root raised cosine pulse is chosen instead of a rectangular pulse shape?
Study the signal constellation in the receiver for various values of Eb/N0 for the AWGN channel.
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Size: 70656 |
Author: 岚岚 |
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Description: 在matlab中显示photoshop的专用psd文件-Shown in matlab dedicated photoshop psd file
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Size: 5120 |
Author: kan |
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Description: Matlab Code to suppress estimate PSD, Noise in speech and minimise it and thus improve SNR
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Size: 2048 |
Author: Manind |
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Description: 从介绍功率谱的估计原理入手分析了经典谱估计和现代谱估计两类估计方法的原理、各自特点及在Matlab 中的实现方法-Start from the introduced power spectrum estimation principle to the principle of classical spectral estimation and spectral estimation are two types of estimation methods, their characteristics and implementation in Matlab
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Size: 150528 |
Author: 王云 |
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Description: a simple neural network code (PSD method) implemented in MATLAB
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Size: 4096 |
Author: amir |
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Description: 真实路面的函数可以描述为路面不规则函数q=q(x,y)，其x和y坐标轴分别表示纵向和侧向轴。路面不平度被描述成具有高斯分布、稳态阶段、遍历性和零均值的随机过程。因此我们可以利用自己定义的单个轨迹和相干函数的二平行轨迹的功率谱密度来描述路面不平度。自定义的单轨迹功率谱密度可用如下方程描述：-In ride comfort research, it is important to simulate the vibration of automobile on uneven road. To build a more accurately model, the nonlinear factors should be taken into consideration. In this paper, an uneven road with certain auto-PSD is generated in MATLAB software.In ADAMS software, a 126-DOF nonlinear ride comfort model is constructed and simulated on this irregular road. The results of simulation are converted into frequency domain, and compared with those of road tests. This method of ride comfort research is proved to be reliable and feasible.
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Size: 96256 |
Author: 万利 |
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Description: 在电力系统故障仿真实例介绍了MATLAB软件在电力系统中的应用，以及利用动态仿真工具Simulink和电力系统工具箱PSD-MATLAB in the power system fault simulation example this paper introduces the application of MATLAB software in the power system, as well as the use of dynamic simulation tools Simulink and power system toolbox PSD
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Size: 9216 |
Author: 地方 |
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Description: spectrum analysis of a discrete-time signal using matlab built-in FFT function and then the PSD is calculated and plotted.
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Size: 1024 |
Author: Maram Ahmed |
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Description: Matlab code which implements MB-OFDM transmission block as per ECMA 368 standard.
OFDM over frequency selective wireless channels
simulation code for Peak-to-Average Power Ratio (PAPR) reduction in MIMO OFDM/A system using CMA
This is an OFDM simulation that gives you the PAPR, BER, and the PSD before and after the SSPA.
the program distribute an amount power among ofdm subchannel to make the capacity of a channel as ma
Representation of OFDM signal with PAPR reduction using Clipping and SLM Techniques.
The complete project of OFDMA system. It tries to maximize the network capacity.
Link and system level simulator for OFDM based wireless broadband systems
Ultrawideband (UWB) multiband OFDM physical layer with fixed-point transmitter/receiver modeling.
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Size: 858112 |
Author: Sina |
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Description: The digital simulation system using MATLAB to illustrate the
Quadrature Amplitude Modulation (QAM). QAM is a modulation scheme to convey two digital bit
streams which can be converted to symbol signals by modulating the amplitudes and the phase of two
carrier waves. First, we transmit a signal composed of two different 1024 bit streams and modulate
them using QAM. Next, at the receiver, we demodulate them using an orthogornality of two carriers
and matched filters. We also conduct the error analysis of two sampled signals in order to observe how
the probability of making bit errors changes depending on the inverse of Power Spectral Density (PSD)
of Additive White Gaussian Noise (AWGN).
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Size: 713728 |
Author: khang
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