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QPSK
说明: 存在多径的OPSK传输性能仿真。可以绘出不同信噪比下的误码率曲线图(The OPSK multipath transmission performance simulation. Can draw different SNR BER curves)
- 2011-03-16 20:29:54下载
- 积分:1
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tiaci
说明: 得州仪器的交流异步电机的仿真模型。适用于Ti的片子(Texas Instruments AC induction motor simulation models. For Ti films)
- 2011-04-01 14:14:01下载
- 积分:1
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decomp_reconst
Decompose image into subbands, denoise, and recompose again.
fh = decomp_reconst(fn,Nsc,Nor,block,noise,parent)
Javier Portilla, Univ. de Granada, 5/02
Last revision: 11/04
- 2010-08-14 20:20:19下载
- 积分:1
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2D_FDTD
时域有限差分法 Finite Difference Time Domain, FDTD程序,二维的,希望对大家有所帮助。(Several two-dimension Finite Difference Time Domain programs.
Hope helpful.)
- 2009-10-10 22:35:49下载
- 积分:1
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a
说明: 两种算法的简单版程序,还有其中一部分说明及仿真图(Simple version of the two algorithms procedures, as well as part of the description and simulation of Figure)
- 2010-04-27 15:33:19下载
- 积分:1
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exa020601
给出了一个线性调频信号的Gabor变换,使用的是过抽样,其中参数q=4.(given a chirp signal Gabor transform, is the excessive use of sampling, which parameter q = 4.)
- 2007-03-15 22:14:21下载
- 积分:1
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Hellen-MOM
根据海伦方程用矩量法编程MATLAB计算半波阵子天线的电流分布、归一化方向图、增益和阻抗(Under Helen equation using the method of moments programming MATLAB to calculate the half-wave time around the antenna current distribution, the normalized pattern, gain and impedance)
- 2021-04-04 21:19:04下载
- 积分:1
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Timer
Arduino平台上的计时器,主要用于定时中断的库文件,能够有效解决Arduino没有定时中断的问题(Arduino timer library platform, mainly for the timer interrupt, can effectively solve the problem of Arduino no timer interrupt)
- 2015-03-23 23:40:10下载
- 积分:1
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LMS_RLS
数字信号处理中的适应信号处理算法。有两个文件,分别为LMS和RLS算法,在每个文件里有详细的注释(Digital signal processing, adaptive signal processing algorithms. There are two documents, namely LMS and RLS algorithm in each file with detailed comments)
- 2012-05-07 18:34:40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