扩频通信芯片STEL-2000A的FPGA实现
针对传统集成电路(ASIC)功能固定、升级困难等缺点,利用FPGA实现了扩频通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核实现NCO模块,在下变频模块调用了硬核乘法器并引入CI...
针对传统集成电路(ASIC)功能固定、升级困难等缺点,利用FPGA实现了扩频通信芯片STEL-2000A的核心功能。使用ISE提供的DDS IP核实现NCO模块,在下变频模块调用了硬核乘法器并引入CI...
为了在CDMA系统中更好地应用QDPSK数字调制方式,在分析四相相对移相(QDPSK)信号调制解调原理的基础上,设计了一种QDPSK调制解调电路,它包括串并转换、差分编码、四相载波产生和选相、相干解调...
在Multisim 10软件环境下,设计一种由运算放大器构成的精确可控矩形波信号发生器,结合系统电路原理图重点阐述了各参数指标的实现与测试方法。通过改变RC电路的电容充、放电路径和时间常数实现了占空比...
The Molgedey and Schuster decorrelation algorithm, having square mixing matrix and no noise . Trunca...
简单混合衰落信道 This mfile inputs an unmodulated sinewave through a simple Rayleigh two path fading channe...
C++ Demystified: A Self-Teaching Guide by Jeff Kent ISBN:0072253703 McGraw-Hill/Osborne © 20...
The Hopfield model is a distributed model of an associative memory. Neurons are pixels and can take ...
The same two-stage decoder as above. However, when transforming the symbols prior to Viterbi decodin...
This mfile illustrates a simple two path Rayleigh multipath fading channel This mfile inputs an unm...
Blind Equalizer 的演算法主要是利用CMA及 LMS 的配合,当CMA将EYE打开,使讯号趋近于正确值,就切换到LMS,利用Slicer的输出当作training sequence来调整...