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A_enh_gray
基于curvelet的灰度图像增强，是在变换域里通过修改系数等达到(Curvelet-based gray-scale image enhancement, in the transform domain to achieve by modifying the coefficient)
- 2010-10-29 23:36:16下载
- 积分：1
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burg(1)
主要是BURG法对声信号进行谱估计的程序。
还有利用BURG法求AR模型系数(BURG mainly on the sound signal spectral estimation process. BURG method are the use of AR model coefficients)
- 2009-05-08 10:02:15下载
- 积分：1
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2
说明： 提出了正交频分复用(O FDM ) 系统中一种新的载波频偏估计算法L 载波频偏估计过程可分
为获取和跟踪, 其中, 获取过程和时间同步是同时完成的L新算法可实现的最大载波频偏获取范围
是整个信号带宽的一半L新的跟踪算法是一个最大似然算法, 在加性白噪声高斯信道(AW GN ) 下,
当N (训练序列长度的一半) 等于128 时, 其性能比Schm idl 算法提高约7127 dB 在多经信道下, 当
信噪比不是很高时, 新算法仍具有优势L(new carrier f requency offset est imat ion scheme in o rthogonal f requency
division mu lt ip lex ing (O FDM ) system is p ropo sed. The carrier f requency offset est i2
mat ion includes acqu isit ion and t rack ing, and acqu isit ion as w ell as t im ing synch ro2
n izat ion can be perfo rmed simu ltaneou sly w ith h igh accu racy. The max imum acqu i2
sit ion range can be up to one half of overall signal bandw idth. The p ropo sed t rack2
ing est imato r is a max imum 2likelihood est imato r, and in AW GN channel, abou t
7127dB imp rovemen t is ob tained compared to the Schm idl’s algo rithm w hen N =
128 in mu lt ipath channel, the p ropo sed algo rithm wo rk s w ell at moderate SNR.)
- 2010-05-18 18:31:18下载
- 积分：1
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代码
说明： 该代码可以仿真直接扩频系统不同正弦幅度下误码率的的大小(Simulation of bit error rate of direct spread spectrum system)
- 2020-04-16 23:06:13下载
- 积分：1
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Task5.1QPSK
Alamouti code for qpsk made easy
- 2010-08-20 12:01:00下载
- 积分：1
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Matlab
Fitness function that help users to use that in ga applications.
- 2009-10-12 20:22:44下载
- 积分：1
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linear_programming
4 methods of linear programming
simplex
revised simplex
revised simplex lu
prime dual interior point
- 2009-11-24 16:27:20下载
- 积分：1
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OPFD6
MATLAB source code for the implementation of genetic algorithm
- 2014-10-02 23:18:25下载
- 积分：1
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moving
moving average filter using widey as low filter in matlab
- 2013-10-07 19:36:26下载
- 积分：1
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grey--model--simulink
该图片介绍了灰色预测模型的simulink的建模方法(This picture discribes the method of grey prediction model about simulink.)
- 2016-11-04 10:41:44下载
- 积分：1
