The system has 6 . 8mhz digitalizing bandwidth and 70db instantaneous dynamic range , which can be obtained by using rf / if converter vxi3570 , high precision digitalizer e1437a and proper signal processing arithmetic 系統(tǒng)數(shù)字化帶寬設計為6 . 8mhz ,選用rf if變換模塊vx13570 、高精度數(shù)字化儀e1437a和適當?shù)男盘柼幚硭惴色@得70db以上的瞬時動態(tài)范圍。