The Viterbi algorithm is the same as the binary case with one main difference: The survivor sequences include the uncoded bits, which are decided at each trellis stage when selecting one of two parallel branches with the largest correlation metric. Presently, only 8-PSK modulation is considered. Extensions to higher-order modulations can be implemented following a similar procedure.
标签: difference The algorithm the
上传时间: 2015-07-05
上传用户:qiaoyue
matlab下,使用dspbuilder实现的psk调制模块的源码
标签: matlab
上传时间: 2015-08-21
上传用户:banyou
matlab下,使用dspbuilder实现的ask调制模块的源码
标签: matlab
上传时间: 2015-08-21
上传用户:bakdesec
IA4420 工作在315/433/868/915MHz 频段(IA4421 工作在433/868/915MHz 频段); 2. 低电压工作,工作电压2.2V~5.4V; 3. 低功耗模式,待机电流0.3uA; 4. 调制模式FSK,并具备高度集成的PLL; 5. 低发射功率、高接收灵敏度设计,发射功率5~10 dbm 可调,接收灵敏度-109 dbm; 6. 内置时钟输出,可省掉MCU 的晶振; 7. 传输数据率高,数字信号可达115.2 kbit/s,模拟信号可达256 kbit/s; 8. 发射频偏与接收带宽可调; 9. 内部有数字滤波器,并可以根据要求选择不同的方式; 10. SPI 的控制接口,方便使用; 11. 接收时有数据同步码识别器,系统检测同步码后将后面的数据输出; 12. 有16 位的收发缓存器,用来缓存接收到或要发送的数据(接收数据有两种方式,用户可以按需选择); 13. 有低电压检测器,从2.2-5.4V 可调; 14. 有定时唤醒功能,定时时间可达几天; 15. 天线的兼容性强,有天线自动调节功能,并可采用PCB 或外置天线; 16. 工作温度范围-40~85,储存温度范围-55~125℃; 17. 采用微小TSSOP16 封装。
上传时间: 2014-10-30
上传用户:aa17807091
em78806单片机的汇编源程序,实现专用modem的功能,收发dtmf,fsk
上传时间: 2015-09-18
上传用户:朗朗乾坤
VHDL语言编写的程序,实现FSK调制与解调及仿真
上传时间: 2014-11-21
上传用户:kr770906
This tutorial attempts to get you started developing with the Win32 API as quickly and clearly as possible. It is meant to be read as a whole, so please read it from beginning to end before asking questions... most of them will probably be answered. Each section builds on the sections before it. I have also added some solutions to common errors in Appendix A. If you ask me a question that is answered on this page, you will look very silly.
标签: developing tutorial attempts clearly
上传时间: 2015-09-29
上传用户:wanqunsheng
用php开发的crm系统, 推荐使用php4 + MYSQL 4搭建!! 采用Sugar Suite v4.0.1为核心! For a list of new features and other important information about Sugar Suite 4.0.1, please see the ReleaseNotes.doc file. Our goal continues to be to build the customer relationship management system that you have always wanted, so your input is vital. To share ideas with the Sugar Community, ask questions, find answers and submit feedback, please visit our Sugar Forums at http://forums.sugarcrm.com.
上传时间: 2013-12-31
上传用户:z1191176801
自适应滤波lms算法,采用ask调制,三条多经信道,信噪比可调。
上传时间: 2015-11-22
上传用户:tfyt
任意发送天线,任意接收天线的STBC-MIMO-OFDM的MATLAB程序,其中包括完整的PSK调制,STBC编码,信道估计等。
上传时间: 2015-11-29
上传用户:aa54