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result
最后的测试程序，得出文本检索的正确率和召回率(In the end, the cosine similarity of texts is used to measure the similarity between the query and documents. The data comparison indicates that this algorithm has well experimental results. Moreover, it gets the advantage over the classic LSA retrieval algorithm in precision and operational efficiency.)
- 2010-03-07 13:23:21下载
- 积分：1
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BP
说明： matlab 中的ＢＰ神经网络 处理信号 欢迎下载(matlab ＢＰ)
- 2012-03-27 19:51:13下载
- 积分：1
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tracking
Tracking of visual phenomena is hard. Very, very hard. And frustrating. You should try not to get discouraged by poor tracking results, but rather concentrate on the specific reasons why your tracker may not be performing well. Is the bad performance predictable from the theoretical properties of the tracker? If so, that s a valuable observation that will serve you well in the future
- 2013-07-24 12:49:21下载
- 积分：1
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LEx2
finds the ratio between number of local extrema of a signal (vector) to the size of the signal (vector)
- 2010-02-05 23:04:50下载
- 积分：1
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UMTS
UMTS CML matlab simulation.
- 2010-03-08 03:42:51下载
- 积分：1
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STR_for_pudn
通信中的采样钟恢复，用gardner 算法提取时钟误差。(STR for sampling Time recovery)
- 2013-11-24 16:18:29下载
- 积分：1
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ofdm_ber
Program for ofdm and its BER performance
- 2010-05-12 16:55:15下载
- 积分：1
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6methods
六种波束形成仿真 matlab代码仿真 喜欢的下 (Matlab code simulation six beamforming)
- 2010-05-26 21:53:25下载
- 积分：1
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matlab01w
matlab实例编程系列1，内有运行后界面图像＆源代码(Matlab programming examples of a series, which is running the interface after images & source code)
- 2007-05-09 16:03:36下载
- 积分：1
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Modeling-Rayleigh-fading-channel-based-on-modifie
This Matlab Code models a Rayleigh fading channel using a modified Jakes channel model.
A modified Jakes model chooses slightly different spacings for the scatterers and scales their waveforms using Walsh–Hadamard sequences to ensure zero cross-correlation.
alpha_n = frac{pi(n-0.5)}{2M} and eta_n = frac{pi n}{M},
results in the following model, usually termed the Dent model or the modified Jakes model:
R(t,k) = sqrt{frac{2}{M}} sum_{n=1}^{M} A_k(n)left( cos{eta_n} + jsin{eta_n}
ight)cos{left(2pi f_d t cos{alpha_n} + heta_{n}
ight)}.
The weighting functions A_k(n) are the kth Walsh–Hadamard sequence in n. Since these have zero cross-correlation by design, this model results in uncorrelated waveforms. The phases ,! heta_{n} are initialized randomly and have no effect on the correlation properties. Matlab fast Walsh-Hadamard transform function is used to efficiently generate samples using this model.
- 2015-03-10 15:15:01下载
- 积分：1
