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quad_M
分别给出利用自适应Simpson积分的数值积分方法（QUAD.m）和自适应Lobatto的数值积分算法（QUADL.m）。(were given the use of adaptive Simpson integral numerical integration methods (QUAD.m) and adaptive Lobatto should the numerical integration algorithm (QUADL.m).)
- 2007-03-19 22:28:41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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ammodulate
通信原理课上作的大作业，关于幅度调制的。(Communication Theory class for the operation of the modulation rate.)
- 2007-05-03 16:26:09下载
- 积分：1
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motor
motor modeling satisfies the users for knowing control logic
- 2014-10-29 00:54:35下载
- 积分：1
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vehic_guide
Vehicle guidance for obstacle avoidance example
- 2012-02-09 04:01:50下载
- 积分：1
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BAYES
有几类样本点，利用BAYES分类器求出其分界面，并分析这类分类器的特点。(There are several types of sample points, using BAYES classifier obtained its sub-interface, and analyze the characteristics of such classification.)
- 2011-08-11 16:40:06下载
- 积分：1
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image-fusion
内含4种不同的基于小波变换的图像融合方法的MATLAB实现程序，程序中都有相应的注释(Contains four different image fusion method based on wavelet transform MATLAB procedures, the program has a corresponding comment)
- 2021-04-29 11:48:43下载
- 积分：1
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communication-simulation-system
MATLAB SIMULINK通信仿真系统，带有可执行文件和文档，可供参考修改(MATLAB SIMULINK communication simulation system with executable files and documentation is available for reference modification)
- 2014-01-12 23:27:01下载
- 积分：1
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《遗传算法原理及应用》周明,孙海栋
说明： matlab 计算结构动力学在工程中的应用(matlab structure application in structure)
- 2021-03-28 10:39:42下载
- 积分：1
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hrollfcoef
升余弦滚降滤波器，主要完成 Generate coefficients of Nyquist filter(Raised Cosine filter, mainly to complete Generate coefficients of Nyquist filter)
- 2010-08-20 09:55:55下载
- 积分：1
