Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Team Li-ion's Wave II two-seater also earned a high fuel efficiency rating — the equivalent of more than 171 mpg.
锂离子队的浪潮II型双座跑车也获得了较高的燃油效率得分 -等效于每加仑跑171英里以上。
This reduces their efficiency, increasing the cost per kWh and preventing wave power from making progress.
这些改进降低了机器工作的效率、增加了发电的成本，还使得海浪发电技术停滞不前。
This is part of a new wave of incandescents that come in at slightly lower wattages than their claimed equivalents (to comply with California law requiring greater-but not great-efficiency).
这款灯泡比标明的功率略低(符合加州法律要求的效率应该略大——当然不是很大)。
The efficiency of this method of welding, and other devices, such as compared with wave soldering.
这种方法焊接的效率高，不伤及其他器件，与波峰焊相比节能。
These sensors only need very few energies, pass the data by the relay way through the radio wave from a sensor to another, therefore they communicate with an extremely high efficiency.
这些传感器只需很少的能量，以接力的方式通过无线电波将数据从一个传感器传到另一个传感器，所以它们的通信效率非常高。
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
The result indicates that the slow wave structure significantly improves the microwave output power and conversion efficiency. The simulated microwave frequency agrees well with the predicted value.
研究结果表明这种慢波结构相对原结构在微波输出功率和转换效率上都有很大提高，微波工作频率与预测相符合。
The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.
其结果包括阵列单元的输入阻抗、空间波辐射效率、方向性系数和辐射方向图等。
The amplitude modulated wave with any modulation factor is discussed in this paper. Its expression, spectrum and formula of the modulation factor, modulation efficiency, SNR gain are given.
本文讨论了调幅系数为任意值的调幅波，给出了它的表达式、频谱及调幅系数、调制效率和信噪比增益的计算公式。
The factors which influence holography diffraction efficiency, the Angle selectivity of volume holography and wavelength bandwidth are analyzed with the coupled wave theory.
利用耦合波理论分析了影响体积全息图的衍射效率的因素、体积全息图的角度选择性以及波长带宽等方面。
From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam.
以哈尔·斯法为例，将相遇折射波法用于剩余煤厚探测中，具有精确、高效、快速的特点。
The forces and efficiency analyses of the wave gear transmission are presented in this paper.
本文对一种新型的传动——波齿传动进行了受力分析和传动效率计算。
Because this technology has good thermal efficiency, it is said that supercritical technology will be the wave of the future of the coal fired power plants.
因为这项技术具有良好的热效率，人们认为超临界技术将是未来燃煤电厂的潮流。
To verify the accuracy and efficiency of this method, the distortion of the wave propagation on two typical mild slopes are simulated numerically.
为了验证方法的精度和效率问题，对两种典型缓坡地形上的波浪传播变形进行了数值模拟。
The utilization of the pressure wave in the intake pipe and exhaust pipe which not only make more exhaust gas out of the cylinder but also improve the charge efficiency and make more fresh gas.
合理的利用进、排气管中的压力波，不仅能使更多的废气排出缸外，而且还可以提高发动机的充气效率，使尽可能多的新鲜工质充入。
It is pointed out that this effect can be used to enhance the interaction efficiency between the electron beam and the wave.
文中指出，可以利用动量矩效应作为一种提高注波互作用效率的新方法。
The shape of the stress wave with maximum energy transmission efficiency is analysed under these circumstances that duration of the incident wave and the characteristic resistance are given.
分析了在给定入射波波长和给定应力波传递特性的情况下能量传递效率最高的应力波形状。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法，分别编制出了计算te波和TM波的衍射效率程序。
The extraction efficiency of organic light-emitting diode(OLED) is restrained by the high fraction of energy of the guided wave in the high-index materials(ITO/organic).
有机发光二极管（OLED）发光效率很大程度上受到器件中高折射率材料（ITO/有机物）对导波光能量的制约。
The forward modelling method of wave equation is of a high precision and a lower computing efficiency compared with the ray theory based method.
波动方程正演模拟法相对于射线法具有精度高、效率低的特点。
The conversion efficiency between the fundamental wave and the th emission is roughly constant over the length of the plasma channels.
实验研究发现三次谐波的转换效率在通道范围内基本保持不变。
The effects of grating structure parameters and incidence wave parameter on diffraction efficiency are investigated . The loss of grating is also given.
文中讨论了光栅结构参数，入射波参数对衍射效率的影响以及金属光栅的损耗。
Nevertheness, the pseudo-spectral method has a high computation speed and computational efficiency and can reflect the propagation rules of the wave field in medium visually and effectively.
尽管如此，伪谱法计算速度快，计算效率高，能够直观、高效地反映介质中波场的传播规律。
The thesis adopted the high efficiency wave tray to reconstruct the tradition tray of urea synthesis column, which has strengthened heat and mass transfer.
本文采用高效的波形塔板对传统的尿素合成塔进行改造，加强了尿素合成塔内的传热与传质。
The calculating result indicates that the network parallel algorithm can save the computing time of the TWT multi-signal nonlinear beam-wave interaction and improve working efficiency.
计算结果表明，该网络并行算法能够有效地减少行波管多信号非线性注波互作用的计算时间，提高工作效率。
Explain the needle treatment with drugs ultrashort wave treatment, can greatly improve the efficiency of periarthritis of shoulder, it is worth popularizing.
说明针药配合超短波的治疗方法治疗肩周炎，可以显著提高效率，值得临床推广。
Though the efficiency can be enhanced when sine wave passes through non-linear loads, the sine wave distortion appears, and then harmonic current passes through loads.
虽然效率可以提高，当正弦波通过非线形载荷，正弦波失真出现，然后谐波电流通过负载。
Though the efficiency can be enhanced when sine wave passes through non-linear loads, the sine wave distortion appears, and then harmonic current passes through loads.
虽然效率可以提高，当正弦波通过非线形载荷，正弦波失真出现，然后谐波电流通过负载。
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