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1下载：
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 o
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采用加权网络中节点强度和权重都是幂率分布的模型，使用起来非常方便，调试通过可以使用，是一种双隐层反向传播神经网络，LDPC码的完整的编译码，旋转机械二维全息谱计算，已调制信号计算其普相关密度，实现典型相关分析。- Using weighted model nodes in the network strength and weight are power law distribution, Very convenient to use, Debugging can be used, Is a t
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风电塔架风速时程曲线与风荷载时程曲线模拟。本代码依据IEC 61400-1标准，用于模拟具有一定功率谱密度和自相关性的风速时程曲线，并计算叶片及塔架上的风荷载。方法为基于三角级数叠加的谐波合成法（Hansen，2008）和叶素动量法。功率密度谱采用Kaimal谱函数。-Curves of wind speed and wind load-time curve Cheng wind tower. The code according to IEC 61400-1 standards, and pr
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用于信号特征提取、信号消噪，计算目标和海洋回波的功率谱密度,可直接计算得到多重分形谱。- For feature extraction, signal de-noising, Calculating a target and ocean echo power spectral density, It can be directly calculated multi-fractal spectrum.
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基于互功率谱的时延估计，计算目标和海洋回波的功率谱密度,一个很有用的程序。- Based on the time delay estimation of power spectrum, Calculating a target and ocean echo power spectral density, A very useful program.
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分析了该信号的时域、频域、倒谱，循环谱等,计算目标和海洋回波的功率谱密度,采用加权网络中节点强度和权重都是幂率分布的模型。- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Calculating a target and ocean echo power spectral density, Using weighted model nodes in the network
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MATLAB程序估计信号的功率谱，功率谱密度，能量谱，能量谱密度-MATLAB program estimating the power spectrum of the signal, power spectral density, energy spectrum, the energy spectral density
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基于互功率谱的时延估计，包括广义互相关函数GCC时延估计，已调制信号计算其普相关密度。- Based on the time delay estimation of power spectrum, Including the generalized cross-correlation function GCC time delay estimation, Modulated signals to calculate its density Pu-related.
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符合瑞利包络的杂波功率谱与幅度概率密度函数。-The spectral power spectrum and amplitude probability density function of Rayleigh envelope
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关于非线性离散系统辨识，旋转机械二维全息谱计算，计算目标和海洋回波的功率谱密度。- Nonlinear discrete system identification, Rotating machinery 2-d holographic spectrum calculation, Calculating a target and ocean echo power spectral density.
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Calculating a target and ocean echo power spectral density, Fractal dimension calculation algorithm matlab code blankets, Based on the time delay estimation of power spectrum.
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本程序采用MATLAB语言编写，为DFB激光器的一维时域行波模型，可用于仿真DFB激光器的腔内载流子浓度、光子浓度以及激射波长，输出功率等特性。(This program is written by Matlab. It is an one-dimensional travelling wave model for DFB laser, which can be used to simulate the distribution of carrier density, photon densit
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Complex of three-point Gauss-lengend the Formula pi, Modulated signals to calculate its density Pu-related, Based on the time delay estimation of power spectrum.
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Energy spectrum analysis and calculation, Can dynamically adjust the parameters of the operating environment, Calculating a target and ocean echo power spectral density.
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简单地绘制BOC（1, 1）调制信号的功率谱密度及其自相关函数曲线，仅供参考。(Simple drawing BOC (1, 1) density and autocorrelation function curve of power spectrum of the signal modulation, for reference only.)
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对建立的AR模型，利用Levinson-Durbin递归公式计算了模型参数，对输入信号的功率谱密度进行了估计，并绘制了信号的时域图和功率谱图。(For the established AR model, the Levinson-Durbin recursive formula is used to calculate the model parameters, and the power spectral density of the input signal is estimated, an
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SeismoSignal可以计算以下数据：
1、弹性和等延性非弹性反应谱
1、傅立叶谱和能量谱
3、阿里亚斯（Ia）和特征（Ic）强度
4、累积绝对速度（CAV）和比能量密度（SED）
5、加速度，速度和位移的均方根（RMS）
6、持续最大加速度（SMA）和速度（SMV）
7、有效设计加速度（EDA）加速度（ASI）和速度（VSI）谱密度
8、主要（Tp）和平均（Tm）时期
9、胡斯德和能量通量图
10、包围、统一、重要和有效的持续时间(SeismoSignal consti
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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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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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