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- The propagation characteristic of the VLF in the earth-ionosphere waveguide is analyzed by applying the FDTD method. 应用时域有限差分(FDTD)方法分析甚低频在地电离层波导中的传播特性。
- The propagation characteristic of electro magnetic wave along underground laneway is expounded. 阐述了井下无线电波传播特性,指出井下无线通信受阻的根本原因在于存在各种衰落。
- A type of propagation characteristic of plants that spread by means of newly formed parts such as bulbs, suckers, or rhizomes. 植物遗传类型:由新生部分方式繁殖的植物繁殖类型,如球茎、分枝或根茎等语源。
- In this work, the propagation characteristic of electromagnetic wave in a round tunnel is simulated by solving numerically the wave mode equations. 研究了圆形隧道中电磁波的固有传播和导行传播的传播特性,采用数值方法求解了波模方程。
- On propagation characteristic of material surface wave in laser ultrasonic, Fizeau fiber interferometer system which implements measure of SAW on YAG laser is researched. 针对激光超声中固体表面波的传播特性,研究了一套斐索光纤干涉仪系统并实现了对YAG激发的铝材料表面波的检测。
- The propagation characteristic of ultrashort pulsed Bessel light beam in dispersive medium is studied. The spatially induced group velocity dispersion (SIGVD) can be used to compensate the dispersion of medium. 研究了超短脉冲贝塞尔光束在色散介质中的传输特性 ,指出空间诱导色散效应可以用来补偿介质色散作用 ,从而可以在色散介质中实现无衍射无色散的类时空孤子波的传输。
- It summarize systematacially the elastic wave’s propagation characteristic in the large blast of detonate,the design principle of shock insolation channel is given by calculation results. 系统总结了大型爆炸震中传播的弹性播的特性,计算定出隔震沟的设计原则。
- The wavelet analysis, especially waveletscalogram and reassignment scalogram, is utilized to analyze the time-frequencycharacteristic and propagation characteristic of the rubbing AE. 主要采用小波分析方法对碰摩声发射的时频特性及传播特性进行分析,着重研究了小波尺度谱和再分配尺度谱在碰摩声发射时频特性分析中应用。
- The propagation characteristics of stress waves in the solids with variable section was dissection. 摘要对应力波在变截面体中的传播特性进行了理论研究和数值分析。
- Propagation characteristics of unsteady gaseous detonation in propane? oxygen? air mixtures through90° bend were studied by experiments. 对丙烷-氧气-空气的混合气体非稳定爆轰波通过90°弯管传播特性的变化进行了初步的实验研究.
- The optics propagation characteristics of LCD for realizing static simulation of LCD are calculated and analyzed by 2x2 extended Jones matrix methods. 详细推导了在研究液晶材料及器件光学性质中广泛应用的2×2Jones延伸式矩阵法,计算了液晶显示器件的光学传播特性,为实现液晶显示器件的静态模拟提供了理论依据。
- The propagation characteristics of torsion waves in anisotropic medium are tested using the torsion vibration transducers. 本文利用扭转换能器观测了扭转横波在各向异性样品中的传播特性。
- Regional propagation characteristics and source parameters of earthquakes in northeastern North America, Bull.Seism.Soc. 台湾地区中大型地震震源参数分析,国立中央大学硕士论文。
- Through observation with two homogeneous anisotropic samples, we uncovered some propagation characteristics of the torsion wave in anisotropic medium. 通过两块不同来源的均匀各向异性样品,用实验观测方式初步揭示了各向异性介质中扭转波的一些传播特征。
- The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM). 基于光束传播法,对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
- The propagation characteristics of impact waves across a planar interface between a ceramic layer and a ceramic/metal composite are investigated. 研究了冲击波在有限厚度陶瓷平板与半无限大陶瓷/金属复合背板的界面传播特性。
- In this paper,the basic physical concept and propagation characteristics of infrasonic wave are introduced,and the present status of study on infrasonic wave is summarized. 介绍了次声波的基本物理概念和次声波的传播特性,概述了次声波的研究现状,提出了利用次声波来预警海啸灾害的建议,并对其可行性进行了分析。
- The propagation characteristics of the amplitude of the blasting seismic wave under the conditions of various topographies are approached by means of experiments. 通过靶场实验,探讨了不同地形条件下爆破地震波幅值的传播特性;
- Based on the above mode and the evaluation of Bessel and Hankel functions,the propagation characteristics, including bent losses for planar waveguides are obtained. 基于这种模型,使用基于求解贝塞尔函数的方法数值求解出平面光波导的弯曲损耗。
- Sympathy is the feeling characteristic of mankind. 同情心是人类特有的感情。