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Directsequencespreadspectrumsignalacquisitionystem
信号的捕获直接序列扩频系统的matlab仿真实现,非常实用(Direct sequence spread spectrum signal acquisition system matlab Simulation)
- 2010-06-20 09:21:50下载
- 积分:1
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time-frequency
时频分布算法中的短时fourier变换和维格纳变换的程序。(Algorithm for time-frequency distribution of short-time fourier transform and Wigner transform procedures.)
- 2008-07-03 16:51:46下载
- 积分:1
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facerecognization
face recognization , including all the imptant matlab process.
- 2011-10-29 18:09:37下载
- 积分:1
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matlab_ppt
西北工业大学matlab学习课件,帮助需要学习matlab的同学循序渐进的掌握这门编程技术(Northwestern Polytechnical University, matlab learning courseware to help students to learn matlab step by step to master this programming)
- 2011-11-03 10:41:56下载
- 积分:1
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Area-of-circle--temprature--and-logic-design
find the area of circle, temprature(celcius-far), logic design in matlab for 3 variable
- 2014-12-29 15:41:35下载
- 积分:1
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svm_regressive
基于支持向量机(SVM)回归的MATLAB演示程序(Based on support vector machine (SVM) regression of the MATLAB demo)
- 2009-03-29 23:54:37下载
- 积分:1
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fsk
FSK的MATLAB系统仿真程序,可以输出误码率与信噪比的关系图(simulation of fsk by matlab)
- 2010-03-06 23:30:44下载
- 积分:1
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yiqunsuanfa
蚁群算法在TSP上的应用 商旅问题的研究(Ant colony algorithm in the application of TSP on the issue of business travel)
- 2010-05-15 16:57:53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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model_of_ship
说明: 逆合成孔径雷达仿真舰船图像,包括舰船的俯仰、滚动、偏航运动。(Inverse synthetic aperture radar image simulation of ship, including the ship' s pitch, roll, yaw movement.)
- 2021-04-03 22:49:04下载
- 积分:1