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ct
说明： 常规OFDM系统容易导致ICI，为了消除ICI，在信号传输前进行编码，本系统为1/2PCC编码，提高系统效率。(Conventional OFDM system easily lead to ICI, is encoded in the signal before transmission, in order to eliminate ICI, this system for 1/2PCC encoding to improve system efficiency.)
- 2012-03-23 15:38:18下载
- 积分：1
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DS_CDMA_Communication_System_Simulation
这个仿真程序用于实现DS-CDMA通信系统仿真(The simulation program used to implement DS-CDMA Communication System Simulation)
- 2010-07-23 07:48:12下载
- 积分：1
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mbook
说明： MATLAB的诸多例题和解法，对于matlab基础学习和指导很有用。多大上百例题。(Example and solution of many MATLAB for matlab-based learning and guidance very useful. How hundreds of Example.)
- 2010-03-24 14:34:05下载
- 积分：1
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M01
关于Matlab的课件，里面含有数学建模的基础知识，对于数学建模的了解是很有帮助的(Courseware on Matlab, which contains the basics of mathematical modeling, mathematical modeling for understanding is helpful)
- 2011-10-25 14:32:04下载
- 积分：1
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binary-tree-collision-code
射频识别技术里的二进制树碰撞代码，防碰撞能力(Radio frequency identification technology in the binary tree collision code, anti-collision)
- 2013-04-22 19:23:22下载
- 积分：1
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OFDM_identify_algorithm
OFDM的在瑞利信道下的与单载波信号的识别算法，本人原创(OFDM in Rayleigh channel with single-carrier signal of the recognition algorithm, I am original)
- 2007-09-10 19:12:31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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bianyuandejiance
这是一个细胞边缘检测的程序 经过测试通过(This is a cell edge detection procedures after the test)
- 2007-04-29 20:49:58下载
- 积分：1
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kingfao_v10
小波包分析提取振动信号中的特征频率，从先验概率中采样，计算权重，含噪脉冲信号进行相关检测。( Wavelet packet analysis to extract vibration signal characteristic frequency, Sampling a priori probability, calculate the weight, Noisy pulse correlation detection signal.)
- 2016-10-20 11:48:13下载
- 积分：1
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rgb2nrgb
convert RGB color space to nRGB color space
- 2013-11-27 15:37:51下载
- 积分：1
