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2
说明： 2. 关于无线信道的多普勒谱，请回答以下问题：
(1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因；
(2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理；
(3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请描述：自己用计算机产生的经典谱是正确的依据。(2. Regarding the doppler spectrum of the wireless channel, please answer the following questions:
(1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing;
(2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape;
(3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.)
- 2021-01-23 19:48:44下载
- 积分：1
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VJSRU
易语言D2D物理效果源码,很不错的易语言源码,适合易语言爱好者学习,(Easy language D2D physical effect source code, very good easy language source code, suitable for easy language lovers to learn,)
- 2018-08-12 13:57:57下载
- 积分：1
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syslevel_0109
opnet simulation of random access in CDMA network
- 2011-04-26 11:30:51下载
- 积分：1
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12can
c8051F系列单片机CAN总线的应用例程(c8051F Series Single-chip CAN bus application routines)
- 2009-02-22 17:54:22下载
- 积分：1
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BlueTooth
说明： 对蓝牙的基本应用测试（包括搜索 链接 数据发送与接受）(The basic test for Bluetooth applications (including search link data is sent and received))
- 2011-04-06 17:18:46下载
- 积分：1
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ARFilter
AR滤波器的代码，直接调用AR Filter即可运行(AR filter code can be run directly call the AR Filter)
- 2010-02-08 15:47:54下载
- 积分：1
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ThinkPHP_3.2.1_20140214
实用性代码，可以在手机等移动设备上很好的使用，可操作性强。(Usefulness of the code can be very good for use on mobile phones and other mobile devices operable.)
- 2014-02-26 09:57:45下载
- 积分：1
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OPC读840DSL828D
说明： Mamul for connecting 840D SL system by OPC
- 2019-01-11 22:27:28下载
- 积分：1
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Communication-by-SerialPort
实现串口通信 可以收发数据 可以是数字也可以是ASCII(Serial communication)
- 2013-07-24 10:10:28下载
- 积分：1
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shiyan3
基于阵列信号处理的跳频信号盲检测和参数盲估计matlab 仿真(Matlab simulation of blind detection of frequency hopping signal based on array signal processing)
- 2018-01-09 12:23:17下载
- 积分：1
