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pisa
在计算机上产生一组实验数据，首先产生一段零均值白噪声数据u（n）,令功率为 ，让u(n)通过一个三阶FIR：
得到y(n). .y(n)上加三个实正弦信号f1’=0.1,f2’=0.25,f3’=0.26调整 和正弦信号幅度信噪比大致为10dB,50dB,50dB. (1) 令N=256,描绘xn波形；
(2)得出真实功率谱密度 .
(3) 利用此实验数据Pisarenko谐波分解法估计该实验数据的正弦频率及幅度。
(On the computer to generate a set of experimental data, first generate a zero mean white noise data u (n), so that power, let u (n) through a third-order FIR: get y (n).. Y (n) added three real sinusoidal signal f1 ' = 0.1, f2' = 0.25, f3 ' = 0.26 and sine signal amplitude adjustment signal to noise ratio is approximately 10dB, 50dB, 50dB. (1) that N = 256, depicted xn waveform (2) the true power spectral density obtained. (3) using this experimental data, Pisarenko harmonic decomposition method to estimate the experimental data of the sinusoidal frequency and amplitude.)
- 2010-10-22 11:17:41下载
- 积分：1
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Reckteneald
Recteneald数值计算一书的所有源码和课件(Recteneald on a numerical calculation of all source and courseware)
- 2006-10-13 14:27:04下载
- 积分：1
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1
说明： 本程序利用pca实现故障诊断与人脸识别，识别效果很好，分辨率为百分之九十四，希望您采纳(The program use pca realize fault diagnosis and face recognition, identify good effect, the resolution for the ninety-four percent, which, I hope, you adopted
)
- 2012-02-22 12:59:13下载
- 积分：1
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matrix displacement method
使用矩阵位移法做平面杆件结构静力计算；
与龙驭球《结构力学》中介绍的方法一致，可帮助土木工程专业学习矩阵位移法时检验中间过程；(The matrix displacement method is used to calculate the static force of planar bar structure.
Consistent with the method introduced in the "structural mechanics" of long chien ball, it can help civil engineering majors to learn the matrix displacement method to test the intermediate process.)
- 2020-11-15 10:09:41下载
- 积分：1
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formulaCurl
Derive for the element stiffness with symbol calculation in Matlab
- 2010-01-07 07:05:32下载
- 积分：1
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cacode_fs
GPS CA码的移位寄存器－程序－－以及fs采样为离散点－。(GPS CA code shift register- procedures- as well as the fs sampling for the discrete points-.)
- 2010-01-24 10:06:01下载
- 积分：1
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Matlab
Matlab中龙格-库塔(Runge-Kutta)方法原理及实现(Matlab, Runge- Kutta (Runge-Kutta) method principle and implementation)
- 2013-12-03 21:04:46下载
- 积分：1
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MatLab
关于matlab编程的书，介绍了条件控制，循环语句，结构，对象，调试与计时等，适合初学者。(Matlab programming on the book, describes the condition of control loop, structure, object, debugging and timing, etc., suitable for beginners.)
- 2011-04-22 16:22:46下载
- 积分：1
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combining-functions
摘 要 采用有限元和球函数相结合的方法,建立水下复杂壳体)))两端带半球壳的加肋弹性圆柱壳的振动!耦
合振动和声辐射方程,运用方程分析法,导出水下复杂壳体的振动!耦合振动和声辐射的相似关系,根据建立的相似关系
实现对壳体的振动响应和声辐射的预报"采用大型有限元软件对具有相似关系的模型和原型的振动响应和声
场进行分析,算例表明,方法切实可行并且为预报水下大型复杂结构体的振动响应和耦合声场提供了一种简洁!实用的
研究方法"(The finite element and ball method of combining functions, the establishment of underwater complex shell))) ends with a hemispherical shell stiffened elastic cylindrical shell vibration! Coupling
)
- 2021-04-25 16:58:46下载
- 积分：1
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landarea
已知地图边界点通过插值求面积，matlab计算面积函数实现。(Known map boundary points by interpolation for the area, matlab calculate the area function implementation.)
- 2013-09-14 09:39:29下载
- 积分：1
