摘要
文中介绍了一种雷达接收机前端的系统设计方法,它选用一种超外差式接收机,采用前端高增益低噪声放大器来减小接收机的噪声系数,再利用混频器将射频信号转变为中频信号,在确定采用自动增益控制接收机后将功率合理分配,以保证接收机有较大的动态范围,提高探测精度。
A method used to design the system of the front-ends in radar receiver is introduced here. The superheterodyne reception is used and a high-gain low noise amplifier in the front-ends is used to reduce the noise figure, also,mixer is used to transmit the RF signal to the medium frequendy signal. Then. the AGC receiver is adopted,after which the power is distributed suitable in order to make sure the receiver have enough dynamic range. At the same time,the detecting precision is advanced.
出处
《弹箭与制导学报》
CSCD
北大核心
2006年第3期262-265,共4页
Journal of Projectiles,Rockets,Missiles and Guidance
