ID 原文 译文
13204 为了提高航空瞬变电磁信号的灵敏度，提出了一种通过压制线圈运动噪声和控制二次场增益的实现方法。 In order to improve the sensitivity of the arborne transient electromagnetic signal, an implementation method of suppressing the coll motion noise and controliing the gain of the secondary field was proposed.
13205 基于现场可编程门阵列(field programmable gate array，FPGA)，设计控制信号产生模块。 Based on field programmable gate array (FPGA) , the module of generating control signals was designed.
13206 在此基础上设计信号调理输出电路，首先通过比较预设阈值电压，识别、去除运动噪声，然后时序控制放大二次场。 On this basis, the circuit of signal conditioning was designed. Comparing with the preset threshold voltage, the moton noise was dentified and removed, and the time control was used to amplify the secondary field.
13207 测试结果表明：该装置可以使接收信号波形的基线归零，并且能有效提高二次场增益。 The results show that the device can zero the baseline of the received signal waveform, and effectively increase the secondary field gan.
13208 提出了一种基于BLT(Baum-Lm-Tesche)方程的平面波辐照下金属腔贯通导线电磁干扰分析的快速计算方法。 A Baum-Liu-Tesche( BLT) equation based approach is presented for the fast prediction of electromagnetic wave coupling with the transmission lines (TL) penetrating through a metallic enclosure.
13209 首先采用电磁拓扑理论将整个问题进行拓扑分解，根据场线耦合理论获得场线耦合节点的传输函数。 After the decomposton of the whole problem accordng to the electromagnetc topology theory, the transfer functon at the specific node of field coupling to TL is obtained according to Agrawal model.
13210 进而采用广义BLT方程获得外界电磁波与贯通导线相互作用时金属腔内终端负载上的干扰电流。 Consequently, the induced current on the termnaton loads inside the enclosure can be calculated using the general Wed BLT-equation.
13211 将该算法用于贯通单导线、贯通双导线和贯通传输线网络电磁干扰问题分析，计算获得的终端负载上感应电流结果与全波分析方法结果吻合较好，证明了该快速算法的有效性。 The proposed method is employed to predict the induced current on loads of a single penetrating conductor, multple penetrating conductors and TL network, and results are in agreement with those cacuated using the full wave analysis.
13212 该快速算法计算时间仅为全波分析法的万分之一，且所占内存相比全波分析法缩小了几十倍。 The time consumption of the proposed method is about 1/10 000 as much as that of the full wave analysis method, and the memory is reduced by dozens of times compared with the full wave analysis method.
13213 飞机的碳纤维复合材料(carbon fiber reinforced polymer, CFRP)蒙皮在遭受雷击时将经受急剧的温升效应，对材料电导率造成重要影响，而这ー影响又反作用于焦耳热产生过程。 The carbon fiber remforced polymer (CFRP) of aircraft skin structure suffers from a sharp temperature rise which is induced by lightining strikes. The temperature rise has an important influence on the electrcal conductivity of compostes which in turn affects the generation process of Joule heat.