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超外差接收
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超外差接收
Encyclopedia
工学
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释
superheterodyne receiving
超外差接收
将接收到的已调高频信号(即调制后的高频信号)送到混频器,然后与本地振荡器所产生的高频信号进行混频,在其输出端得到的波形包络形状与输入高频信号相同,但频率却降为某一固定中间频率(简称中频)的信号接收技术。
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The Book of Tour of West lake
The Book of Urizen
The Books and Periodicals Distribution Association of China
The Boom of Khamseh
The Borderers
the Border Town
The Boston Consulting Group
The Boston Globe-Horn Book Award
The Boston News-Letter
the both of man's nature and feelings are good
The Bot of WatSuthatthepwararam
the boundary point of conjugate tooth-surfaces
the bounding function of conjugate tooth-surfaces
The Branches Are Covered with Fruitage
the branch of publishing science
The Brave Heart Will Take the Bride
the break point
the bridge and tunnel engineering across the sea
The Bridge on the River Kwai
The Brief History of Museums in China
The Brief History of Museums in Foreign Countries
the brief history of the evolution of livelihood theory
the Brief Introduction to the Origin of Chinese Buddhism
the Brief Introduction to the Origin of Indian Buddhism
The Bright Eleven
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