星載三極子天線電磁波參數(shù)最佳估計算法

孫杰; 張曉娟; 方廣有; 劉延波

doi:10.11999/JEIT141241

星載三極子天線電磁波參數(shù)最佳估計算法

doi: 10.11999/JEIT141241

基金項目:

國家自然科學基金(61172017)資助課題

計量
- 文章訪問數(shù): 1353
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- PDF下載量: 302
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2014-09-23
- 修回日期: 2015-01-19
- 刊出日期: 2015-06-19

The Optimized Parameters Estimation of Electromagnetic Wave with Spaceborne Single Tripole Antenna

摘要

摘要: 星載探測對儀器重量和體積的要求都很苛刻，而通常三極子天線需要一部三通道接收機以實現(xiàn)電磁波參數(shù)估計，不但重量和體積較大，而且存在通道串擾和增益不平衡的問題。該文提出兩種基于時分技術的三極子天線估計電磁波參數(shù)的算法，使得一個三極子天線只需要一部單通道接收機，不但減小接收機的體積、降低接收機的重量和費用，而且克服了通道串擾和增益不平衡的問題。仿真結果證明了算法的有效性。
- 陣列信號處理 /
- 星載探測 /
- 電磁波參數(shù)估計
Abstract: It is well-known that restricts on weight and volume of spaceborne sensing instruments are strict. Single tripole antenna usually needs one three-channel receiver to estimate the parameters of electromagnetic waves. When the weight of the receiver is high and the volume is big, channel garbling and gain imbalance exist. This paper puts forward two algorithms based on Time Division (TD) method with tripole antenna for parameter estimation of electromagnetic waves. The two methods make it possible that a single tripole antenna needs only a one-channel receiver, which not only decreases the volume and weight of the receiver, but also reduces the cost and overcome channel garbling and gain imbalance. The simulations prove the validity of the proposed algorithms.
- Array signal processing /
- Spaceborne sensing /
- Parameters estimation of electromagnetic waves

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