电子设计工程
電子設計工程
전자설계공정
ELECTRONIC DESIGN ENGINEERING
2015年
1期
90-92
,共3页
中频相参%灵敏度%动态范围%噪声系数
中頻相參%靈敏度%動態範圍%譟聲繫數
중빈상삼%령민도%동태범위%조성계수
intermediate frequency coherent%sensitivity%dynamic range%noise factor
分析研究了如何设计X波段中频相参多普勒天气雷达接收机方案以及如何计算接收机噪声系数、接收机灵敏度、前端增益与系统动态范围。同时提出了稳定本振的措施，使数字中频接收机具有可靠性高、灵敏度高、增益高、选择性好、动态范围大、适应性广、自动实现数字频率跟踪，数字定相等优点。
分析研究瞭如何設計X波段中頻相參多普勒天氣雷達接收機方案以及如何計算接收機譟聲繫數、接收機靈敏度、前耑增益與繫統動態範圍。同時提齣瞭穩定本振的措施，使數字中頻接收機具有可靠性高、靈敏度高、增益高、選擇性好、動態範圍大、適應性廣、自動實現數字頻率跟蹤，數字定相等優點。
분석연구료여하설계X파단중빈상삼다보륵천기뢰체접수궤방안이급여하계산접수궤조성계수、접수궤령민도、전단증익여계통동태범위。동시제출료은정본진적조시，사수자중빈접수궤구유가고성고、령민도고、증익고、선택성호、동태범위대、괄응성엄、자동실현수자빈솔근종，수자정상등우점。
Analysis and research on how to design the x-band frequency coherent doppler weather radar receiver scheme and how to calculate the receiver noise coefficient, receiver sensitivity, front end gain and the system dynamic range. The stability of this vibration measures are put forward at the same time, make the digital intermediate frequency receiver with high reliability, high sensitivity, high gain and good selectivity, large dynamic range, wide adaptability, automatic digital frequency tracking, digital set equal advantages.
