波形對(duì)數(shù)字信道化接收機(jī)測(cè)頻性能影響分析

劉寅; 黃秀瓊; 王亞濤

doi:10.11999/JEIT170028

波形對(duì)數(shù)字信道化接收機(jī)測(cè)頻性能影響分析

doi: 10.11999/JEIT170028

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出版歷程
- 收稿日期: 2017-01-11
- 修回日期: 2017-03-23
- 刊出日期: 2017-10-19

Impact of Waveforms on Frequency Measurement Performance for Digital Channelized Receivers

摘要

摘要: 對(duì)于典型的數(shù)字信道化接收機(jī)之后級(jí)聯(lián)相位差分法測(cè)頻的處理架構(gòu)，現(xiàn)有的測(cè)頻精度表達(dá)式未考慮波形復(fù)包絡(luò)對(duì)測(cè)量精度的影響。該文針對(duì)這一問(wèn)題，推導(dǎo)了考慮波形復(fù)包絡(luò)影響的新的測(cè)頻精度表達(dá)式，并進(jìn)行了仿真。仿真分析的結(jié)果與推導(dǎo)的精度表達(dá)式一致，表明改進(jìn)的測(cè)頻精度表達(dá)式能夠有效反映信號(hào)波形對(duì)測(cè)頻性能的影響。
- 射頻隱身 /
- 波形 /
- 數(shù)字信道化 /
- 測(cè)頻
Abstract: For a classical architecture consisting of a digital channelized receiver followed by frequency measurement using phase difference, the existing precision equation of frequency measurement does not consider the impact of waveform complex envelop on measurement performance. A new precision equation of frequency measurement considering the impact mentioned above is derived in this paper. The consistency of analytical results by the proposed precision equation with simulation results is verified. The simulation results indicate that the proposed equation can exhibit the impact of waveform on frequency measurement performance.
- Radio frequency stealth /
- Waveform /
- Digital channelized receivers /
- Frequency measurement

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參考文獻(xiàn)(21)

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