FD-TD法用于環(huán)形相控振子天線陣列的數(shù)字模擬
NUMERICAL SIMULATION OF ANNULAR PHASED ARRAY OF D1POLE ANTENNAS USING FD-TD METHOD
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摘要: 本文論述了FD-TD法用于電磁輻射系統(tǒng)的近場計算問題,用該方法實現(xiàn)了對環(huán)形相控振子天線陣列的數(shù)字模擬。作為對方法的檢驗首先計算了單個振子天線上的電流分布,還計算了環(huán)中充滿去離子水時陣列的近區(qū)場及其與人體軀干塊狀模型的相互作用。
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關(guān)鍵詞:
- 電磁輻射系統(tǒng); FD-TD法; 數(shù)字模擬
Abstract: The problems for calculating near-fields of EM radiation systems by using Finite Difference Time-Domain (FD-TD) method are discussed and the annular phased array of dipole antennas is simulated numerically by use of FD/TD method. For a test run the near-field and current distribution of the single dipole antenna are calculated. The near-field of the annular phased array of dipole antennas in central region filled with deionized water is computed and the interaction of near-field with a anatomically-based model of buman torso is considered as well. -
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