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Okamura
该模型是基于实地测量的即以准平坦地形、大城市市区的中值场强或路径损耗作为参考，对其他传播环境和地形条件等因素分别以校正因子的形式进行修正，用来预测地面移动系统信号的强度。其频率适用范围是150MHz到1000MHz的UHF/VHF频带。目前使用的主要频段资源为800~900MHz。这一频段，在相对平坦区域，一般可应用Okumura-Hata传播模型。Hata提供了对这些数据的解析逼近，并捕捉到大部分的主要影响(The model is based on field measurements of the quasi-flat terrain, large cities in the urban field strength or path loss values as a reference for other dissemination of environmental and topographic conditions and other factors correction factor respectively in the form of amendments to be used to predict the ground mobile systems the signal strength. The frequency range is 150MHz to 1000MHz for the UHF/VHF band. The main bands currently used resources for the 800 ~ 900MHz. The band, in the relatively flat areas, generally can be applied to Okumura-Hata propagation model. Hata provides these data analytic approaches, and to capture most of the major impact)
- 2009-12-09 16:11:29下载
- 积分：1
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Reed_Muller
matlab 实现 Reed Muller 编码及误码率曲线的绘制(matlab implementation Reed Muller code and BER Curve)
- 2010-05-06 16:08:41下载
- 积分：1
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leach protocol for wsns
低能自适应聚类层次结构（“LEACH”）是一种基于TDMA的层次结构；
- 2022-02-13 00:15:53下载
- 积分：1
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essai1
Multiwavelet wavelet theory has become a hot one, it is more than wavelet function and a number of scaling function to indicate signal. [1] using fractal interpolation function is the first of a multi-wavelet, as GHM Multiwavelets.
- 2010-10-19 05:45:47下载
- 积分：1
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app1
This appendix contains more elaborate MATLAB programs that supplement the
programs in the text. Most of the programs utilize a graphic user interface (GUI),
which simplifies parameter changes and allows quick repeated use of the program.
- 2011-02-21 12:56:23下载
- 积分：1
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fragile-watermark
当前图像脆弱性水印的研究主要从完全脆弱水印,半脆弱水印,图像可视内容的真伪鉴别与自嵌入式水印四个层次进行研究。该算法是完全脆弱图像水印的matlab实现(Completely fragile image watermarking matlab implementation)
- 2012-07-25 22:08:27下载
- 积分：1
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shipborneRadar
本代码介绍了舰载相控阵雷达在海杂波背景下进行动目标检测的方法，性能稳定，杂波消除明显，目标信号提取有效，代码值得相关研究人员学习和参考。(This code introduces the method of how shipborne PAR radar detects moving object signal in strong sea clutter background with many good attributes.)
- 2012-01-25 12:04:49下载
- 积分：1
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ComplexFixedToFloat
To convert complex fixed point number to floating point number
- 2014-02-03 14:29:05下载
- 积分：1
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solar-cell
about maximum peak power tracking
- 2014-01-23 13:12:27下载
- 积分：1
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DDWP_chopper_130522
仿真模型包括：可调节电网，交流断路器，LCL滤波器，网侧变换器，Chopper，直流电容，机侧变换器，风力发电机（包括机械部分的模型）。控制及信号处理部分包括：电机参数测量，机侧变换器控制，网侧变换器控制，LVRT控制，风速模拟等部分。(Simulation models include: adjustable power grid, ac circuit breaker, LCL filter, grid-side converter, Chopper, dc capacitance, machine-side converter, wind turbine (including mechanical part of the model). The control and signal processing part includes: motor parameter measurement, machine side converter control, network side converter control, LVRT control, wind speed simulation and other parts.)
- 2021-04-12 16:38:58下载
- 积分：1
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