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EDA
FFT算法的实现，MATLAB仿真，验证，模拟(FFT SUANFA DE SHIXIAN ,FANGZHEN)
- 2009-12-12 08:18:09下载
- 积分：1
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用Welch法进行功率谱估计
考虑L的三个不同值：L＝256（3个数据段），L＝128(7个数据段)和L=64（15个数据段）。各自的谱估计图如上图所示。可以明显的看到，加窗明显的减小了频谱上的假谱峰，但也更加进一步平滑了谱峰。所以，对于L＝64的情况，在ω＝0.8π的谱线可以很确定的辨认，但是那两个靠近的谱峰不容易区分。对于L＝128的情况，这种情况提供了在分离和检测间最好的均衡。当然，对于在L＝256时的情况，效果是更好的，能够从谱估计图上明显的分辨出三条谱线的存在以及它们幅度关系的强弱。 除了Welch法外，还可以采用对多个周期图求平均的功率谱估计方法的其他方法如Bartlett法等等，在功率谱估计上也能取得较好的结果。(consider three different values : L = 256 (3 data), L = 128 (7 data) and L = 64 (15 data). Their spectral estimation map as shown in Fig. It is clear to see that increase significantly decreasing window of the spectrum of false peaks, but much more to further smooth the peaks. Therefore, L = 64, in the case = 0.8 spectrum can determine the identification, but that the two peaks around is not easy to distinguish. L = 128 for the situation, which provided the separation and detection among the best balanced. Of course, L = 256 in the case, the effect is better, from the spectral estimation map clearly distinguish between the three lines of the existence and their relationship to the rate of strength. In addition to Welch law, but also can be used to map multiple cycle for the average power)
- 2005-07-12 11:18:13下载
- 积分：1
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79689944DMC
比较实用的动态矩阵控制，matlab环境(More practical dynamic matrix control, matlab environment)
- 2011-10-26 15:12:29下载
- 积分：1
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921_new
reset chips toner para xerox y samsung
- 2014-11-29 00:18:22下载
- 积分：1
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modelseis
modelseis, seismic modeling forward and inverse modeling,
- 2013-08-08 06:03:02下载
- 积分：1
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微分方程求解
说明： 分别采用欧拉法、改进欧拉法和隐式梯形法解一阶非线性微分方程dx/dt=ax。(The Euler method, the improved Euler method and the implicit trapezoidal method are used to solve the first-order nonlinear differential equation dx/dt=ax respectively.)
- 2021-04-12 23:03:14下载
- 积分：1
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jishuqi
一个简单的计算器程序，进行简单的数学计算，正确无误(A simple calculator program to carry out simple mathematical calculations are correct)
- 2009-04-19 17:13:38下载
- 积分：1
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GODLIKE
遗传算法与模拟退火,粒子群算法的结合与比较实验.稍微修改就可以学习应用(Genetic algorithms and simulated annealing, particle swarm optimization algorithm and comparison with experiment. A slight modification can learn the application of)
- 2009-09-18 10:34:03下载
- 积分：1
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(Springer)-Algorithm-Collections-for-Digital-Sign
eBook: Algorithm Collections for Digital Signal Processing Applications Using Matlab - Springer
- 2011-08-28 19:22:56下载
- 积分：1
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dbscan-matlab
matlab 实现基于dbdcan的聚类算法，帮你在matlab中简易的实现了解( it helps you study cluster alogroim in the matlab )
- 2013-10-03 11:47:18下载
- 积分：1
