摘要: |
本文对通信接收机接收天线的干扰作了简要介绍,也对常用振荡器产生噪声的机理和特性进行了研究,并阐述了接收机噪声频谱及最小噪声系为九。为实用人员提供了理论依据和轮廓性改进措施。 |
关键词: 接收天线 干扰 内部噪声 通信接收机 |
DOI:10.3969/j.issn.1001-893X. |
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基金项目: |
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Consideration of the Interference and Noise of Communication Receiver |
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Abstract: |
This article briefly introduces the interference of the receiving antenna of communication receiver;makes research on the principles and characteristics of ordinary oscillator producing noise;and expounds the noise spectra and minimal noise figure of receiver.The article also provides theoretical basis and general improving measures for practising fellows. |
Key words: Communication,Receiver,Receiving Antenna Interference, Internal Noise. |