本文關(guān)鍵詞： 時(shí)域有限差分方法 調(diào)幅射頻輻照 射頻線圈 S參數(shù)　出處：《科學(xué)技術(shù)與工程》2017年28期 　論文類型：期刊論文

【摘要】：研究應(yīng)用于調(diào)幅射頻電磁場生物效應(yīng)研究的非接觸式射頻線圈。首先根據(jù)射頻輻照線圈的設(shè)計(jì)要求,通過時(shí)域有限差分(finite difference time domain,FDTD)方法進(jìn)行電磁仿真計(jì)算分析;進(jìn)而根據(jù)仿真計(jì)算結(jié)果實(shí)現(xiàn)輻照原型射頻線圈。S參數(shù)測試和信號測試結(jié)果顯示,S_(11)參數(shù)達(dá)到了-31.41 d B,且射頻線圈共振在載波頻率上,所實(shí)現(xiàn)的射頻線圈符合設(shè)計(jì)要求。該射頻線圈可作為核心硬件部件應(yīng)用于后續(xù)的調(diào)幅射頻電磁場生物效應(yīng)研究中。
[Abstract]:The non-contact RF coils used in the biological effect study of amplitude modulated RF electromagnetic fields are studied. Firstly, according to the design requirements of RF radiation coils, electromagnetic simulation analysis is carried out by finite difference time domain FDTD method. Furthermore, according to the simulation results, the parameters of the radio-frequency coils. S parameters and signals of the irradiated prototype are measured. The results show that the parameters are -31.41 dB, and the RF coils resonate on the carrier frequency. The realized RF coil meets the design requirements and can be used as a core hardware component to study the biological effects of AM RF electromagnetic field.
【作者單位】： 南方醫(yī)科大學(xué)生物醫(yī)學(xué)工程學(xué)院;廣東三九腦科醫(yī)院;
【基金】：國家自然科學(xué)基金(61528102,61671229) 廣東省省級科技計(jì)劃(2015B020214006,2016A050502026)資助
【分類號】：R318;TM55
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本文編號：1546388