side frequency

This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency ( LPRF) and low side-lobe antenna are adopted, we focus on main-lobe clutter suppression.

本文主要研究机载战场侦察雷达的地杂波抑制，由于采用了低脉冲重复频率和低副瓣天线，我们主要考虑主杂波的抑制。

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Orthogonal Frequency Division Multiplexing ( OFDM ) has high spectrum efficiency and side-effect of multipath propagation.

正交频分复用 ( OFDM ) 技术由于具有较高的频谱效率,而且可以有效地对抗多径传输,已成为高速数据传输的关键技术.

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Two sharp attenuation poles can be located close to either side of the desired pass-band to improve the frequency selectivity.

两个衰减极点分别产生在靠近通带的两边，提高了通带频率的选择性。

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Using Management of Power Demand Side to Promote Applicationof Variable Frequency Regulation Technique

采用电力需求侧管理促进变频技术应用

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Charges for curb-side parking may be calculated at time or frequency rate.

道路停车可以采取按时或者按次方式计收停车费。

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The research indicated that cepstrum had notable advantage to distinguish the side frequency of the bearings vibration spectrum of paper machine press section as well as to remove the effects of the transfer function in measuring system.

研究表明，倒频谱技术在识别滚动轴承振动频谱的边频、消除系统传递函数影响等方面具有显著的优越性。

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