heterodyne receiver
- 外差接收机;外差式接受器
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Atmospheric Coherence length and its effects on a laser heterodyne receiver
大气相干长度及其对激光外差接收机的影响
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Lastly , the best receiving aperture of a laser heterodyne receiver is discussed briefly .
最后简单讨论了激光外差接收机的最佳接收口径。
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An ECE measurement system with heterodyne receiver on the HT-6B Tokamak
HT-6B上的ECE外差接收系统
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The diagnosis of Tokamak electron cyclotron radiation by GaAs Schottky diode heterodyne receiver
GaAs肖特基二极管外差接收系统用于托卡马克电子回旋辐射的诊断
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Installation and Debugging for Supersonic Heterodyne Receiver
超外差式收音机安装调试指导
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As the key techniques in Synthetic Aperture Ladar ( SAL ), balanced optical heterodyne receiver technology is studied in this paper .
本文对合成孔径激光雷达(SyntheticApertureLadar,简称SAL)中光外差平衡接收技术进行了研究。
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Supersonic heterodyne receiver Com parison of the Traveling-wave Ultrasonic Motor with the Ultrasonic Motor Using Longitudinal and Torsional Vibration Model
超声波外差式接收机行波型超声电机与纵扭型超声电机的比较
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A set of 5-channel heterodyne receiver system for measuring the ECE signals of the HT-6B tokamak plasma is described .
本文介绍了在HT-6B上使用的一套五道外差接收机系统,它用于该装置的ECE信号测量。
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This paper introduces the developing trends of radio receiver , analyses the demerits of traditional heterodyne receiver and the developing prospect of new-type zero IF receiver .
介绍了无线接收机的发展,分析了传统外差式接收机的弊端和新型零中频接收机的发展前景。
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This dissertation chooses received directly system , at the same time makes the simple introduction to the heterodyne receiver , and then carries on the preliminary analysis on optical antenna .
本文选用的是直接检测接收机的实现方案,同时对外差接收机也做了简单介绍,并对光学天线的类型和各自的结构特点进行了初步的分析。
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The results indicate that the effects of atmospheric turbulence on the heterodyne receiver at a horizontal path are significant , but the effects at a slant path are much smaller .
结果表明大气湍流对水平光程上的光学外差接收机的影响很大,而在斜程上湍流的影响要小得多。
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To reduce noise figure and improve receiver sensitivity , the heterodyne receiver model have become more widely available in the communication system . The rejection to image frequency interference has become the last problem for a low-noise receiver .
为了降低系统噪声系数,提高系统接收灵敏度,超外差式的接收机模型在越来越多的通信系统中被广泛的使用,实现整机低噪声、抗干扰的最后难题就是对镜频干扰的抑制。
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Secondly , the paper analyzes the basic structure of several receivers , including heterodyne receiver , zero-IF receiver , low-IF receiver and mirror suppression receiver . Then through analyzing their respective strengths and weaknesses and the actual needs , we select the heterodyne receiver structure .
第二章分析了接收机的几种基本结构,包括超外差接收机、零中频接收机、低中频接收机和镜像抑制接收机,并通过分析其各自的优缺点和实际需求选择了超外差接收机结构。
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Study on Polarization Independent Heterodyne Balanced Receiver
与偏振无关的相干光外差平衡接收技术研究
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The set is composed of two PZT tilted 45 ° relative to each other and a microcomputer . The feedback signal is obtained by sampling the IF envelope of twice heterodyne at receiver .
控制装置由两个互成45°的PZT与单片微机构成,反馈信号由接收端二次外差中频包络采样获得。