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reweighted_least_squares
an algorithm for solving the "hot" compressed sensing problem. The file includes the matlab programme and a pdf document of the principle of the algorithm
- 2009-09-28 19:23:23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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wavelet_project
该压缩包中含有极为详细的基于matlab的各类小波变换算法，并且已经调试通过，具有较高的参考价值( In this compression package includes extremely in detail based on the matlab each kind of wavelet transformation algorithm, and already debugged passes, has the high reference value )
- 2010-11-11 12:28:18下载
- 积分：1
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IIR-digital-filter-design
说明： 通带截止频率 =1000Hz，阻带截止频率 =1200Hz，采样频率fs=5000Hz，通带衰减系数 =0.3dB，阻带衰减系数 =40dB。(The digital filter are the digital signal processing important content, the digital filter may divide into IIR and the FIR two main kinds. As for the IIR digital filter design, we need the help of analog prototype filter, and then transform analog filter into digital filter. )
- 2011-03-12 21:32:41下载
- 积分：1
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propagDifferentMed
this program simulates 1D electromagnetic Maxwell equations "propagation in different media", by using finite difference time domain method FDTD
- 2013-08-28 17:12:22下载
- 积分：1
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work
本程序是关于卫星上下变频的简单的实现算法，首先产生双边带调制信号，与收本振混频后，通过低通滤波器完成下变频。再与发本振混频，通过高通滤波器后完成上变频(This program is a simple algorithm on the satellite and down-conversion, the first double-sideband modulation signal generated, after the close of the oscillator mixer, low-pass filter complete the conversion. Again and send the local oscillator mixer, followed by the completion of the high-pass filter frequency)
- 2013-12-24 20:53:19下载
- 积分：1
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LMS_estimation
MATLAB对带噪声的信号进行最小均方误差估计，得到去噪声的信号。(MATLAB is used to estimate the minimum mean square error of the signal with noise, and the noise is obtained.)
- 2020-06-30 09:00:02下载
- 积分：1
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ricker
说明： 在gprmaxzhong,绘制雷克子波的能量谱，和能量误差(At gprmaxzhong, plot the energy spectrum of the Rake wavelet and the energy error)
- 2020-03-22 13:42:52下载
- 积分：1
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Observer
This is a MATLAB GUI app. with attached Luenbergers obserwer for 2 pots
- 2010-12-25 20:14:51下载
- 积分：1
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waterfilling
power allocation in ofdma using iiwf
- 2010-02-04 17:44:44下载
- 积分：1
