superheterodyne
超外差
常用释义
英音[ ˌsuːpəˈhet(ə)rə(ʊ)daɪn; ˌsjuː- ]
美音[ ˌsuːpərˈhetərəˌdaɪn ]
基本释义
- adj. 超外差的
- n. 超外差式收音机，超外差式接收机
例句
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1·Edwin armstrong develops a receiving circuit-the superheterodyne.艾德温？阿姆斯特朗开发接收机电路—超外差式收音机。
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2·A simple analysis of the superheterodyne AM radio circuit and the principle of assembly and debugging.简朴分析了超外差式调幅收音机电路的工作原理及其组装和调试。
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3·This paper first discusses the instinct disadvantage of a superheterodyne receiver, which is that it has more spurious response.本文首先指出了超外差接收机的固有缺点，即它有更多的虚假响应。
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4·The system adopts superheterodyne architecture. It consists of intermediate frequency (IF) band and radio frequency (RF) band hardware design.该收发信机采用超外差结构，主要包括中频部分的硬件设计以及射频部分的硬件设计。
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5·This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively.分别讨论了在理想假设和实际情况下超外差接收机的双边带噪声系数和单边带噪声系数，给出了单边带接收机的某些设计方案。
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6·Microstrip interdigital band-pass filters are compact and easy for batch manufacturing. They are suitable for applications in TVRO superheterodyne receivers as image-reject filters.微带交指带通滤波器具有结构紧凑、易于批量生产的特点，适用于TVRO超外差接收机中作为镜像频率抑制滤波器。
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7·The system uses the emitter to send ultra high frequency signals after coding with signal coder and the secondary superheterodyne mixing receiver to accept the moving target signals.系统中发射器采用编码器编码后发送超高频信号，接收器采用二次混频型超外差式接收移动目标信号。
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8·Finally, it points out that, as far as wide open receiver is concerned, to suppress or reduce the spurious response is one of the most important tasks in designing a superheterodyne receiver.最后指出对于宽开接收机而言，抑制或减少虚假响应是设计超外差接收机的重要任务之一。
网络释义
- superheterodyne receiver : n. 超外差式收音机