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mo
说明： 基于matlab函数对模拟信号的调制，可以熟悉的掌握用matlab对模拟信号的调制、解调。(Matlab function-based modulation of the analog signal can be familiar with the master using matlab analog signal modulation, demodulation.)
- 2012-06-11 11:17:49下载
- 积分：1
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Rappaport_WirelessCommunicationTechnologies
Rappaport_Wireless Communication Technologies
Text Book
Rappaport_Wireless Communication Technologies
Text Book
- 2009-10-05 20:48:42下载
- 积分：1
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ENC28J60
带SPI接口的独立以太网接口控制器，支持全双工和半双工模式，高速SPI接口(Independent Ethernet interface controller with SPI interface, support for full-duplex and half-duplex mode, high-speed SPI interface)
- 2013-03-19 15:11:32下载
- 积分：1
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ldpc
最近在做毕设，ldpc码的编解码实现，这个是verilog实现。(Recently completed the set up to do, ldpc code codec implementation, this is the Verilog implementation.)
- 2021-05-14 15:30:02下载
- 积分：1
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PrachPara2013.10.21.0928
LTE prach的信令分析代码,由协议解析出数据处理需要的信息(The signaling LTE PRACH analysis code, the protocol analysis data processing need information
)
- 2013-11-05 17:40:16下载
- 积分：1
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ofdm_MATLAB
这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，
上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模
块，并统括系统性能的仿真验证了系统设计的可靠性
(OFDM full version of the source code, including coding, modulation, IFFT,
Upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, a variety of synchronization, demodulation and decoding module, and system performance of the omnibus simulation verify the reliability of the system design)
- 2016-04-22 10:57:50下载
- 积分：1
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7
说明： 7. 单径瑞利信道中的两发一收STBC：
(1) 分析误码率的理论性能，画出比特信噪比与误码率的关系曲线。
(2) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。(7. Two outgoing and one outgoing STBC in single-path Rayleigh channel:
(1) analyze the theoretical performance of bit error rate and draw the curve of the relationship between bit SNR and bit error rate.
(2) please design a specific navigation-assisted channel estimation method, Simulink simulation, measurement of BPSK modulation error rate performance.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn.)
- 2021-01-23 11:58:45下载
- 积分：1
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西门子STEP7 GSD-CPV
西门子STEP7，费斯托阀岛的GSD文件，硬件组态使用(SIEMENS STEP7, GSD File of Fisto Valve Island, Hardware Configuration Use)
- 2020-06-20 07:20:01下载
- 积分：1
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aliasingfilter
1）设计Butterworth型音频抗混叠滤波器；
2）参数：
下通带频率300Hz；上通带频率3400Hz；
下阻带频率280Hz；上阻带频率3600Hz；
通带最大衰减0.3dB；
阻带最小衰减40dB；
3）采用一低通滤波器和一高通滤波器级联；
4）分别确定LPF和HPF的性能指标；
5）求出两滤波器的系统函数和频率响应，并画出其幅频特性曲线；
6）求整个滤波器的系统函数和频率响应，并画出其幅频特性曲线。(1) the design of Butterworth-type audio anti-aliasing filter 2) parameters: passband frequency of 300Hz on pass-band frequency 3400Hz under the stop-band frequency of 280Hz on stop-band frequency 3600Hz passband maximum attenuation of 0.3dB minimum stopband attenuation of 40dB 3) the use of a low-pass filter and a high-pass filter cascade 4) separately to determine the performance of LPF and HPF target 5) to derive two-filter system function and frequency response, and draw its increase frequency characteristic curve 6) for the entire filter system function and frequency response, and draw its amplitude-frequency characteristic curve.)
- 2009-04-08 22:56:06下载
- 积分：1
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MFSK代码
说明： 多频移键控，水声通信代码，实现水下通信。。(Multi-frequency shift keying, underwater acoustic communication code, underwater communication)
- 2020-12-21 16:52:57下载
- 积分：1
