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060407
基于DDE技术的MATLAB与WinCC通信设计(DDE technology based on MATLAB and WinCC Communication Design)
- 2008-02-01 10:09:35下载
- 积分：1
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41695073double-fedmachine
vector control double fed induction machine
- 2011-05-14 18:38:46下载
- 积分：1
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Unts3
建立一个简单的BP神经网络，训练，仿真。直接运行程序，很方便(Establish a simple BP neural network training, simulation. Run the program directly, it is convenient)
- 2014-09-29 16:04:33下载
- 积分：1
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项目4
说明： 任务：设计一个4×2.5Gbit/s 长距离光纤传输系统，并利用OptiSystem 仿真验证。
要求：
1．采用波分复用技术，波长设置以100GHz 为间隔，频率分别为193.1THz、193.2THz、193.3THz、193.4THz，每个波长传输速率为2.5Gbit/s（NRZ），传输距离为300km。采用常规光纤，光纤损耗系数为0.25dB/km。
2．单通道光发送机最大输出功率为0dBm，光接收机的接收光功率不低于－26dBm，过载点为－10dBm。
3．可以采用EDFA 作为线路放大器，其中EDFA 的输入功率限制在－18～2dBm，最大输出功率20dBm，增益范围为13～25dB，噪声指数4.0dB。(Task: Design a 4 x 2.5 Gbit/s long-distance optical fiber transmission system, and use OptiSystem simulation to verify.
Requirement:
1. Using wavelength division multiplexing technology, the wavelength is set at 100GHz intervals, with frequencies of 193.1 THz, 193.2 THz, 193.3 THz and 193.4 THz, respectively. The transmission rate of each wavelength is 2.5 Gbit/s (NRZ), and the transmission distance is 300 km. The loss coefficient of conventional optical fibers is 0.25dB/km.
2. The maximum output power of a single-channel optical transmitter is 0 dBm, and the receiving power of an optical receiver is not less than -26 dBm, and the overload point is -10 dBm.
3. EDFA can be used as line amplifier, where the input power of EDFA is limited to - 18-2dBm, the maximum output power is 20dBm, the gain range is 13-25dB, and the noise index is 4.0dB.)
- 2019-05-13 09:39:41下载
- 积分：1
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MATLAB
基于MATLAB的GPS专业知识的实现（内含5个以上的源代码）(MATLAB-based implementation of GPS expertise (containing more than 5 of the source code))
- 2009-12-30 11:09:34下载
- 积分：1
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matlab_6_x
说明： matlab 6.x的使用指南，较为详细的介绍了matlab 6.x的使用及编程(matlab 6.x use guide describes in detail the use and programming matlab 6.x)
- 2010-04-18 21:36:13下载
- 积分：1
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Encoding-of-LDPC-codes
Encoding of LDPC codes
- 2014-01-14 04:17:06下载
- 积分：1
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chazhi
载波同步算法-二次插值算法的Matlab仿真，算法性能很好，性能接近MCRB，可以广泛应用于卫星通信等行业。(Carrier synchronization algorithm- quadratic interpolation algorithm Matlab simulation, good performance of the algorithm can be widely used in satellite communications and other industries.)
- 2014-06-14 11:48:05下载
- 积分：1
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SEP
SEP仿真，可以实现，请多指正。用于学习，如果有问题可以线下讨论。(SEP simulation can be achieved, please correct me. For learning, if there is a problem line under discussion.)
- 2013-02-21 12:16:46下载
- 积分：1
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Talbot
包含两个文件，一个是菲涅尔衍射子函数。另一个为生成一个光栅，通过菲涅尔衍射计算其泰伯距离处的像，观察泰伯效应(Contains two files, one is the Fresnel diffraction Functions. Another to generate a grating, which is calculated as the Talbot distance by Fresnel diffraction effects outlook 察泰伯)
- 2015-04-13 19:02:07下载
- 积分：1
