double conversion receiver 双变频接收机
Double Conversion 双变换式 ; 双转换式 ; 双变换 ; 双转换
double conversion UPS 双变换UPS
On-line double conversion technology 双变换真在线式技术
UPS double conversion with bypass 带旁路UPS的双变换
double-conversion double-absorption process 两转两吸流程工艺
double conversion system 双变换制 ; 双变频制
UPS double conversion UPS的双变换
Double Conversion Mode 双转换模式
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An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.
该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。
The new hydro conversion catalyst with double function can be applied in hydrogen production and synthetic ammonia process by refinery gas as feed.
新型双功能转化催化剂可应用于以炼厂气为原料的制氢和合成氨工艺。
Vedio process module mainly accomplishes vedio decoding, AD conversion, interlace to progressive conversion, double frequency, etc.
视频信号处理模块主要完成视频解码、模数转化、隔行转逐行、倍频等功能。
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