SuperLU is a general purpose library for the direct solution of large, sparse, nonsymmetric systems of linear equations on high performance machines. ...
The i-mode service by NTT DoCoMo is a mobile phone service in Japan that provides its customers with both voice and comprehensive data services. With...
In recent years, cellular voice networks have transformed into powerful packet-switched access networks for both voice communication and Internet acce...
Radio frequency identification (RFID) is a type of automatic identification systems which has gained popularity in recent years for being fast and rel...
本文鉴于数字锁相环在实际应用中对信号频率的准确度和稳定度有较为严格的要求，设计一种应用于数字锁相环的数控振荡器（NCO，Number Controlled Oscillator）。基于直接数字频率合成（DDS）技术，介绍NCO工作原理，基于FPGA实现NCO，关键是相位累加器与波形存储器两个模块的设...
