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05_fft

于 2021-03-07 发布

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下载积分: 1 下载次数: 2

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代码说明：

说明：基于matlab分析程序的FFT，其功能通过FFT实现振动信号的频谱分析(Based on MATLAB analysis program FFT, its function through FFT vibration signal spectrum analysis)

文件列表：

05_fft\after.txt, 7652651 , 2020-10-17
05_fft\after1.txt, 1534074 , 2020-10-17
05_fft\DataRead.m, 894 , 2020-06-23
05_fft\FFT.m, 524 , 2020-08-04
05_fft\FFt1.m, 1384 , 2020-10-17
05_fft\figure_simple.m, 293 , 2020-08-04
05_fft\readData.m, 1886 , 2020-09-01
05_fft\ReadFreData.m, 1465 , 2020-08-03
05_fft\Read_TxtData.m, 2947 , 2020-08-01
05_fft\xlsread.m, 1812 , 2020-07-31
05_fft, 0 , 2020-10-17

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main_helical_dynamic
石川法求时变啮合刚度，只针对于圆柱齿轮，斜齿轮不能用(Applying the stone Sichuan method to solve the time-varying meshing stiffness of gear)

2020-10-14 15:37:31下载

积分：1
TesterAutomation-Dashboard-master
说明： LCR测试70 多年来，泰克旗下的吉时利公司一直致力于设计、制造和销售先进的电气测试仪器和系统，以满足电子制造商在高性能生产测试、过程监控、产品研发方面的特殊需求。(LCR meter measureKeithley Products and Application Insights Help Engineers Innovate. For more than 70 years, Keithley, a Tektronix company, has been designing, manufacturing and marketing advanced electrical test instruments and systems for the specialized needs of electronics manufacturers in high performance production testing, process monitoring, product development and research.)

2020-07-10 16:15:49下载

积分：1
fxlms_code
说明：我提供了一个基于FXLMS的单通道前馈有源噪声控制系统的一个小例子. 为了减少噪声，我们使用控制器C（z）产生另一个“噪声”yw（k）。我们希望它破坏性地干扰X（k）。这意味着控制器必须是传播介质P（z）的模型。采用最小均方算法对控制器系数/权重进行调整。然而，还有流体介质S（Z）留在致动器和传感器之间。我们称之为二次传播路径。所以，为了使解正确，我们需要用SH（z）来补偿调整过程，这是S（z）的估计(I provided him a little example of a single channel feed-forward active noise control system based on the FxLMS. To reduce noise, we generate another 'noise' yw(k) using the controller C(z). We hope that it destructively interferes x(k). It means that the controller has to be a model of the propagation medium P(z). Least mean square algorithm is applied to adjust the controller coefficient/weight. However, there is also fluid medium S(z) that stay between the actuator and sensor. We called it the secondary propagation path. So, to make the solusion right, we need to compensate the adjustment process using Sh(z), which is an estimate of S(z).)

2018-05-25 15:30:07下载

积分：1
wmgjwk
完美国际挖矿挂原码,自动脚本处理,自动寻找路线,自动回城(The perfect nations dig a mineral to hang original code of, automatic script processing, automatically look for route, automatically return to city )

2012-05-17 09:38:37下载

积分：1
N21E099
说明： ArcGIS二次开发，需要的dem文件，云南的一部分(Secondary Development of ArcGIS)

2020-06-23 13:20:02下载

积分：1
Antenna
二维阵列天线的方向图，在极坐标的条件下，通过验证已经(The pattern of two-dimensional array antenna Under the condition of polar coordinates)

2018-01-09 19:56:53下载

积分：1
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说明：通过螺旋面接触线包络原理计算齿形，这是重要的求解方法(Calculation of tooth profile by the enveloping principle of contact line of spiral surface)

2019-12-30 21:34:22下载

积分：1
98104849fusion-evaluation
图像融合中的平均梯度、相关系数、信息熵、交叉熵、联合熵、均方误差、互信息、信噪比、峰值信噪比、均方根误差、空间频率、标准差、均值、扭曲程度、偏差指数等等(Evaluation indexes average gradient, correlation coefficient, entropy, cross entropy, joint entropy, mean square error, mutual information, signal-to-noise ratio, peak signal-to-noise ratio, mean square error, spatial frequency, mean, standard deviation, distortion degree, deviation index and so on)

2017-07-10 11:13:35下载

积分：1
二
1．推导由7*7元半波振子天线构成的平面阵的方向图计算公式。(2) (上机作业)用Matlab编程画出该天线阵的立体方向图。(Directional pattern of planar array consisting of 7*7 element half wave dipole antenna)

2020-11-09 16:39:47下载

积分：1
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2020-12-20 17:21:40下载

积分：1

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