The energy pattern, total radiation energy, radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed.
本文讨论了矩形脉冲激励的对称驻波天线的能量方向图、总辐射能量、辐射效率和辐射电阻等问题。
Through a theoretical analysis of a plane standing-wave sonic field a test rig on acoustic agglomeration and removal characteristics of burned coal inhalable particles has been designed and set up.
通过对平面驻波声场的理论分析，设计并建立了燃煤可吸入颗粒物声波团聚清除特性的实验台。
And a standing wave means there is a geometric constraint which is what?
驻波意味着有几何限制，几何限制又是什么？
They love to see themselves as brave, "truth" -wielding Galileos standing up against a wave of pseudo-scientific indoctrination.
他们喜欢视自己为手握“真理”的伽利略，勇敢地直面泛滥的伪科学浪潮。
Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.
采用驻波管法测量了多种粮食的吸声系数。
When the frequency of laser standing wave is higher than the resonant frequency of atoms, the atoms will be focused on the wave node of the standing wave.
当激光驻波场的频率大于原子的共振频率时，原子由于受到偶极力的作用将被会聚到驻波的波节处。
WARNING: Standing Wave Ratios in excess of 2:1 May cause transmitter damage.
警告：当驻波比超过2：1可能会导致发射部件受损。
A momentum transfer of a moving three level atom interacting slantingly with a standing wave laser field is analysed.
分析了一个运动的三能级原子与一个驻波激光场在斜交相互作用时的动量传递行为。
The measurement of sound speed in the air is studied in the experiment by phase comparison method and standing wave method.
通过实验，应用相位比较法和驻波法对空气中的声速测量进行了研究。
Objective To evaluate the safety of ultrasonic standing wave blood separation technology from two point of view: rheology and blood cell composition.
目的：从血液流变学和血细胞成分两方面来评价超声驻波血细胞分离机的安全性。
In standing wave method, the sound is not perfect standing wave, so the swing is not zero at wave knot.
驻波法中形成的声场不是理想驻波场，且波节处振幅不为零。
It is found that the density structure of one dimensional interference fringes of Bose Einstein condensates is in form of a standing wave.
发现玻色爱因斯坦凝聚体的一维轴向干涉条纹的密度分布是一种驻波状结构。
Under the frequency of resonance, small particles which are in the bottom of an upright standing wave tube will rise and move to the node, or loop planes, and keep suspending there.
竖直放置的驻波管在共振频率下，位于其管底的微小颗粒群会在一定声压级下产生悬浮现象，即腾空而起，悬浮在波幅波节平面。
By comparative analysis, the dependence of the resonant frequency, voltage standing wave ratio, bandwidth and input resistance on different geometric parameters is obtained.
通过比较分析，得到了天线谐振频率、谐振点电压驻波比、带宽以及输入阻抗随不同几何参数的变化规律。
Standing wave representations such as these are called atomic orbitals.
这种驻波示意图叫做原子轨道。
Standing wave is parasitic effect of exposure, generated by multi reflection and interference of rays vertically incident upon parallel medium layers.
驻波是曝光中的寄生效应，是光线垂直入射到不同的平行平面介质层之间，经多次反射并干涉形成的。
Standing wave ultrasonic motors have many outstanding features for simple drive and control circuit, stationary speed of rotation, smaller undulation, etc.
其中驻波超声波电机具有驱动和控制电路简单，转速平稳，波动较小等突出优点。
A standing wave tube measurement system is presented for measuring low frequency acoustic properties of underwater acoustic materials.
介绍一种用于水声材料低频声性能测量的驻波管测试系统。
The standing wave and the characteristic of the radiated power of this printed antenna fed by the standard coaxial line are analyzed by the numerical method.
文中用数值法分析了这种印制天线在标准同轴线馈电时的驻波和辐射功率特性。
The standing wave laser field is applied to the upper transition with the Rabi frequency dependent on the position through which the atom passes.
驻波激光场与级联原子的上跃迁耦合，其拉比频率依赖于原子通过驻波场的位置。
The theory and corresponding experiment of the intensity profile modification of a Gaussian laser beam by an ultrasonic standing wave (controlled by electricity) are reported and discussed.
本文报道和讨论了在超声驻波作用下实现激光高斯光束空间强度整形的原理与实验。
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.
研究了这种新型套筒天线的输入阻抗、电压驻波比（VSWR）、增益及辐射方向图等电特性。
The sound absorption coefficient of the material was tested by standing wave tube method.
采用驻波管法测试材料的吸声系数。
The intensity distribution of the standing wave is analyzed.
分析了驻波强度分布；
The wave form of flame standing wave produced by gas using sound field is studied, it is found that flame appears at wave nodes (fixed reflection end), and hardly appears at wave abdomen.
对通过声场使可燃气体产生火焰驻波的波形进行研究，得出火焰驻波在波节处(固定反射端)出现火焰，在波腹处几乎不出现火焰的结论，理论分析与实验观测相符。
The driving mechanism of the standing wave motor is analyzed in detail, the optimal driving status in various pressures is obtained, and its diving character is given qualitatively.
对驻波马达的驱动机制进行了细致的分析，从理论上得到各种预压力情况下马达的最佳驱动状态，并定性分析了马达在摩擦力驱动下的驱动特性。
Conclusion Ultrasonic standing wave blood cell separation technology is safe and reliable, and is similar to centrifugal blood separation method.
结论：超声驻波血细胞分离法与离心分离法相似，安全、可靠。
It can make up the shortage that only the periodic dots or lines can be made when using laser standing wave field to control the atoms to stack on wafer in atom lithography.
弥补了原子光刻技术中利用激光驻波场控制原子堆积只能制作单一量子点、线等周期性图形的不足。
The electron back bombardment phenomenon in high accelerating gradient standing wave linear accelerators has been analysed in comparison with that in magnetrons and microwave thermionic guns.
高梯度驻波加速管常伴有电子反轰现象，引起电子枪阴极过热及发射不稳定。
Based on semiclassical theory of laser, this paper was devoted to study a new mechanism of laser chaos resulted from laser self feedback in the standing wave condition.
本文在激光器半经典理论的基础上，研究和探索驻波条件下激光器自反馈引发混沌的新机制。
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