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PropCode2 is a MATLAB implementation of the algorithm described in Chap-
ter 3 of The Theory of Scintillation with Applications in Remote Sensing by
Charles L. Rino, John Wiley & Sons IEEE Press, 2010. The algorithm simulates
electromagnetic (E
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对一组数据进行统计形态分析,包括概率密度函数,功率谱,分布曲线4参数等-The statistical form a set of data analysis, including probability density function, power spectral distribution curve parameters
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一维序列x(n)的连续功率谱分析,ol(0:m)频率,tl(0:m)周期,sl(0:m)连续功率谱,st95(0:m)红噪音或白噪音谱的95 置信上限,strw(0:m) 红噪音或白噪音的谱密度,其中m=[n/2.]。-Continuous power spectral analysis of the one-dimensional sequence x (n) of the continuous power spectrum, ol (0: m), frequency, tl (0: m) c
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Thus PSK systems require less transmitted power for a given probability of
error than ASK or FSK systems.
Synchronous detection of PSK signals is required,due to the absense of a large
carrier component.Carrier recovery is there for emore compl
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用FFT计算信号的功率谱密度时,需要先计算FFT,再计算双边谱密度,然后计算单边谱密度。在matlab里注意FFt要除以采样点数,计算双边谱时要注意除以频率分辨率。
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When calculated using the FFT power spectrum density signal, you need to calculate the FFT, and then calculate the bilateral spectral density, and then calculate
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生成一个采样频率2000,由50Hz、120Hz、200Hz正弦信号以及噪声信号组成的数字信号,滤掉150Hz>f>100Hz的频率,计算并显示滤波前后的原始数据波形以及功率谱密度。(generating a sampling frequency of 2000, a digital signal composed of 50Hz, 120Hz, 200Hz sine and noise signals, filter out the frequency of 150Hz>f&
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用于计算表面粗糙度功率谱密度,及将二维功率谱密度转换为一维功率谱密度(It is used to calculate the power spectral density of surface roughness and transform the two-dimensional power spectral density into one dimensional power spectral density.)
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随机产生一次数据x=randn(1,1024*8) 对这个序列进行FFT然后求功率谱密度 。应用MATLAB画出来横坐标为频率(Frequency(hz)))纵坐标为功率谱密度(Power Spectrum Density) (dB))的图形(Randomly generate a data x=randn (11024*8) to carry out FFT for this sequence and then obtain power spectral density. Drawing th
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计算目标和海洋回波的功率谱密度,用于信号特征提取、信号消噪,Pisarenko谐波分解算法。( Calculating a target and ocean echo power spectral density, For feature extraction, signal de-noising, Pisarenko harmonic decomposition algorithm.)
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这是一个好用的频偏估计算法的matlab仿真程序,基于kaiser窗的双谱线插值FFT谐波分析,计算目标和海洋回波的功率谱密度。( This is a useful frequency estimation algorithm matlab simulation program, Dual-line interpolation FFT harmonic analysis kaiser windows, Calculating a target and ocean echo power spect
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语音信号是一个非平稳时变的信号,所以用计算稳态信号的方法计算功率谱密度函数没有太大意义,看不出信号的动态变化,"gonglvpu"给出计算短时功率谱密度函数(Speech signal is a non-stationary time-varying signal, so it is not very meaningful to calculate the power spectral density function by calculating the steady-st
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功率谱密度matlab实现,非常实用,适合计算 和分析使用(Implementation of power spectral density matlab)
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用MATLAB产生一个频率为1Hz,功率为1的余弦信源,载波频率为10Hz,显示信号的波形及包络,求出调制信号的功率谱密度,以及相干解调后的信号波形(A cosine source with 1 Hz frequency and 1 power is generated by using MATLAB. The carrier frequency is 10 Hz. The waveform and envelope of the signal are displayed. The power
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采用直接法或间接法(通过自相关函数)编制matlab程序,计算信号cos(2πf1t)+cos(2πf2t)叠加高斯白噪声后的功率谱密度。(Matlab program is compiled by direct method or indirect method (through autocorrelation function) to calculate the power spectral density of signal cos (2 PI f1t) +cos (2 PI f2t) s
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构造均匀白噪声、服从高斯分布的白噪声及粉红噪声,并得到它们的自相关函数、功率谱密度等(Constructing uniform white noise, white noise obeying Gauss distribution and pink noise, and obtaining their autocorrelation function, power spectral density, etc.)
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SSB 调制信号,代码含有调制信号波形和功率谱密度波形(SSB modulated signal, code containing modulated signal waveform and power spectral density waveform)
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能够生成几种代表信号并且进行频谱分析、功率谱密度分析,还含有一个iir低通滤波器和一个fir高通滤波器的简易示范(It can generate several representative signals and carry out spectrum analysis and power spectral density analysis. It also contains a simple demonstration of IIR low-pass filter and a fir high
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产生m序列
画出其自相关函数和功率谱密度曲线
利用m序列模二产生gold序列
计算gold序列的互相关函数(Generating M-series
Draw the autocorrelation function and power spectral density curve
Generating gold sequence by m-sequence module two
Calculating the cross correlation function of gold seque
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1.被动悬挂设计simulink模型
2.对于任意一段路面谱,求出其功率谱密度与频率的分布关系,在标准路面图中画出曲线验证路面
3.积分白噪声法路面构造simulink模型
4.整车平顺性分析simulink模型
5.实际路谱案例,c级路面
6.悬架动载荷功率谱密度图像画图matlab编程(1. Simulink model for passive suspension design 2. For any section of road spectrum, the
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道床加速度时程曲线。功率谱密度函数 图。1/3倍频程Z振级频谱图。道床Z振级VLz(dB)。(Acceleration time history curve of ballast. Power spectral density function. Frequency spectrum of 1 / 3 octave Z vibration level. Ballast Z vibration level vlz (DB).)
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