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首页> 外文期刊>Aerospace and Electronic Systems, IEEE Transactions on >Cancellation of Unwanted Spectral Components in an FM Multivibrator System
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Cancellation of Unwanted Spectral Components in an FM Multivibrator System

机译：消除FM多谐振荡器系统中有害的光谱成分

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摘要

The performance of FM multivibrator systems for high quality communications applications is limited by the presence of unwanted spectral components. A theory is presented for an improved system in which unwanted spectral components are cancelled, achieved by generating a cancelling component in a square-law device. The cancelling component tracks the unwanted component in both frequency and amplitude over a wide bandwidth of signal frequencies. Reductions in magnitude of the unwanted components by at least 16 dB are predicted; reductions of better than 14 dB have been achieved in practice.
机译：FM多谐振荡器系统在高质量通信应用中的性能受到有害频谱成分的限制。提出了一种改进的系统的理论，在该系统中，通过在平方律设备中产生抵消分量来抵消不需要的频谱分量。抵消分量在信号频率的较宽带宽上的频率和幅度上跟踪不需要的分量。预计不想要的分量的幅度至少会降低16 dB；实际上已经实现了优于14 dB的降低。

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