高稳定度频率源(high-stability frequency source),直接式频率合成器(direct frequency synthesizer),直接数字式频率合成器(direct digital frequency synthesizer(DDS)),间接式频率合成器(indirect frequency synthesizer),雷达...高稳定度频率源(high-stability frequency source),直接式频率合成器(direct frequency synthesizer),直接数字式频率合成器(direct digital frequency synthesizer(DDS)),间接式频率合成器(indirect frequency synthesizer),雷达覆盖空域(radar coverage)展开更多
文摘高稳定度频率源(high-stability frequency source),直接式频率合成器(direct frequency synthesizer),直接数字式频率合成器(direct digital frequency synthesizer(DDS)),间接式频率合成器(indirect frequency synthesizer),雷达覆盖空域(radar coverage)