• The mode of propagation contains near field and far field.

    传播方式场;

    dict.cnki.net

  • In the end, the far field simulation of impulse antenna is given.

    最后这种方法脉冲天线辐射场进行了数值模拟

    dict.cnki.net

  • The far field eddy current testing system for trial was developed.

    建立了试验涡流检测系统

    www.websaru.com

  • Results of far field displacement around a circular cavity are given.

    文中给出了周围位移的数值结果

    dict.cnki.net

  • The eXpression of directivity of far field and near field was derived.

    推导出了此类换能器指向性场声压的表达式

    dict.cnki.net

  • The computing method using scaling model can be applied to both far field and near field.

    缩比模型计算适用于近,也适用于场。

    dict.cnki.net

  • The images of electric and magnetic field of different polarizations in the near to far field.

    电流源阵列不同极向电磁场影像远近中之变化。

    www.dictall.com

  • The beam expansion method is suited to approximate the weakly truncated beams in the far field.

    光束模式展开用于近似计算截断光束

    dict.cnki.net

  • It is shown that the thermal effect decreases the peak intensity and beam focusability in the far field.

    结果表明热效应使光束峰值可聚焦能力下降

    hplpb.com.cn

  • Output force phase should be controlled so as to get the far field signal inphase with the output force phase.

    为了保证信号相位激振的相位一致,应当控制激振力的相位。

    dict.cnki.net

  • Two ABCD matrices for describing hard apertured Gaussian beams weakly diffracted in the far field are defined.

    定义两种描述高斯光束边光阑衍射远场下的光阑ABCD矩阵

    dict.cnki.net

  • Discussed the stress condition of periphery crack's local tension stress field created by compressing stress in far field.

    讨论应力裂纹周边附近产生局部应力场应力情况

    dict.cnki.net

  • This method can obtain the estimation of the steering vector directly and is adaptive to both far field and near field models.

    方法直接获得导向矢量闭式估计并且该方法可适用阵列场接收信号模型

    dict.cnki.net

  • Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.

    衍射理论另一个重要应用就是研究直光束的发散

    danci.911cha.org

  • The energy distribution of far field spot for annular aperture Gaussian beam is discussed and the fitting expression is given.

    讨论环形孔径高斯光束光斑能量分布给出拟合表达式

    dict.cnki.net

  • Based on the theories of opt-mechanics scanning system and optical transmitting system, the far field scanning system is designed.

    根据扫描系统理论发射光学系统理论设计,完成口径扫描发射光学系统。

    www.dictall.com

  • The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.

    传输线线上电流频谱与分布及其频率成份辐射远近之差异。

    www.websaru.com

  • Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated.

    验证电磁场影像特性场中之差异

    www.websaru.com

  • Starting from the propagation theory of partially coherent light, the spectrum of twisted Gaussian Schell-model beams in the far field are studied.

    部分相干传输理论出发,研究了被光阑衍射扭曲高斯·谢尔模型光束光谱变化规律。

    www.dictall.com

  • In the case of far field sources, based on the subspace direction-finding technique, a new method for active calibration of array shape is presented.

    文中基于空间类测向方法情况下提出一种新的估计阵元位置误差有源校正算法。

    www.dictall.com

  • Through comparison, it shows that at the same value of frequency and size, the far field of hexagonal piston is more uniform than that of circular piston.

    结果表明,与圆形、方形活塞辐射相比,声波频率、活塞面积相同条件下,六边形活塞声源的辐射远场相对比较均匀

    dict.cnki.net

  • The method can simulate not only the radiation damping of semi-infinite soil, but also the elasticity recovery capacity of the far field media on the boundary.

    方法不但可以较好地模拟无限地基辐射阻尼能模拟地球介质弹性恢复性能

    dict.cnki.net

  • A method for planar near field to far field transformation based on element current reconstruction is presented and the basic principle of this method is given.

    本文提出了一种新的基于单元电流重构平面变换方法给出了方法的基本原理

    www.dictall.com

  • A concept of Ultra wideband radar signal is proposed, and then a time domain imaging algorithm is presented to reconstruct far field images of conducting objects.

    给出超宽带雷达信号概念提出由超宽带雷达信号散射重建理想导体目标简捷的时域成像公式实现算法

    dict.cnki.net

  • When considered the far field test, the sample plane cannot do infinitely great, the paper has analyzed the truncation error, and proposed the error correction method.

    考虑测试时,取样平面不可能无限大误差进行分析基础上,给出了误差修正方法。

    www.fabiao.net

  • Fracture diagnosing technique is mainly classified into: direct far field fracture diagnosing, direct near well bore fracture diagnosing and indirect fracture diagnosing.

    裂缝诊断方法主要分为直接裂缝诊断技术、直接的井筒诊断技术、间接诊断方法。

    dict.cnki.net

  • Based on the transmitted field the characteristic of interference and sensing between two modes is investigated and point out the disciplinarian of far field two-lobe radiation patterns.

    建立光纤中传输基础上,研究干涉特性传感特性,指出场两瓣光斑动态变化规律

    dict.cnki.net

  • The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.

    应用天线理论中的电流分布,首次推导具有连续位相结构的反射式毫米波衍射天线的衍射计算公式

    dict.cnki.net

  • The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.

    应用天线理论中的电流分布,首次推导具有连续位相结构的反射式毫米波衍射天线的衍射计算公式

    dict.cnki.net

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