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ds_cdma
wcdma 编码扩频调制过程。。。。。。。。。。。。。。。。。。(wcdma coded spread-spectrum modulation process
)
- 2011-12-06 15:02:09下载
- 积分：1
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OFDM
利用MATLAB软件对OFDM系统做出仿真。仿真中采用QPSK调制技术，并加入高斯白噪声，最终得到QPSK星座映射图以及BER曲线图。由仿真结果可以看出，OFDM在高斯信道具有良好的抗噪声性能，误码率较低。(MATLAB software is used to simulate the OFDM system. In the simulation, QPSK modulation technology is used, and Gauss white noise is added, and the map of the QPSK constellation and the BER curve are finally obtained. It can be seen from the simulation results that OFDM has good anti noise performance and low error rate in Gauss channel.)
- 2018-01-01 15:48:53下载
- 积分：1
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MModBus_TestO
modscan32是modbus/tcp以太网通讯调试工工具,如同串口调试助手一样的工具.，
(modscan32 is modbus/tcp ethernet communication tools, debugging tools tools like serial debugging aides.)
- 2012-08-06 23:21:29下载
- 积分：1
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antenna
在xOy平面（H平面）中获得的具有不同数量的单元和相位的平面天线阵获得的辐射方向图(Radiation patterns obtained from planar antenna arrays with different number of elements and phases in the xOy plane (H plane))
- 2018-08-13 19:18:11下载
- 积分：1
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shoujidayin
把手机的imei已一个中箱收集，并打印出该收集的一些信息。(Phone imei in box collection, and print out the collected information.)
- 2012-09-08 15:31:15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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Nakagami
这是一个通信的Nakagami算法，理论值和仿真结果全都有，希望对大家有帮助。(This is a Nakagami algorithm for communication. Both theoretical and simulation results are available. I hope it will be helpful to you all.)
- 2019-03-08 13:24:54下载
- 积分：1
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AD9854代码
300 MHz内部时钟频率
集成的12位输出DAC
超高速，3 ps RMS抖动比较器9854代码(300 MHz Internal Clock Rate
Integrated 12-Bit Output DAC
Ultrahigh-Speed, 3 ps RMS Jitter Comparator9854code)
- 2021-04-26 14:08:45下载
- 积分：1
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gps信号模拟软件
GPS信号模拟软件，模拟GPS设备向串口输出0183格式标准语句，配合串口虚拟工具使用，可以在普通电脑上调试(GPS signal simulation software, which simulates GPS equipment to output 0183 standard statements to serial port, can be debugged on ordinary computer with serial virtual tools.)
- 2020-06-24 13:20:02下载
- 积分：1
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数字通信系统仿真
说明： 数字通信系统的仿真，全matlab代码，实测可用(Digital communication system simulation, full matlab code, measurement available)
- 2021-04-20 16:12:31下载
- 积分：1
