谐振

The resonant frequency and quality factor of a tag will decrease with increasing antenna resistance.

当天线电阻增加后，会引起标签谐振频率与品质因子下降。

Resonant ; Dam p ; Therm odynam icbalance ; Dy- nam ic balance ; Free- piston Stirling refrigerator

谐振；阻尼；热力学平衡；动力学平衡；自由活塞型斯特林制冷机

It basically consists of a ring cavity around which there are two laser beams traveling in the opposite direction, one clockwise and the other counterclockwise, and the beat note of the two counter propagating beams is proportional to the rotation rate of the ring cavity relative to an inertial frame.

其原理是在环形谐振腔内运行着顺逆两束激光，这两束光的频差与外界的角速度成正比。

WuT J,Liu C Development of switching power supply tot series resonant laser.

串联谐振型激光器用开关电源的研制。

The structure consists of at least two active regions emitting light with different main wave length, each of them has its own optical waveguide limit layer, two or multiple optical spectrum with different main wave length are mixed together to produce white light; cleavage cavity surface of both sides are plated reflecting film to form photon resonant chamber, light-emitting direction is all from side, this structure is suitable for LED with GaN or ZeSe base or other materials, the substrate is mode of sapphire, SiC or other materials.

本发明是一种直接出射白光的高亮度功率型LED芯片，其结构是：设有至少两个发射不同主波长光的有源区，每一个有源区具有各自的光波导限制层；两种或者多种主波长不同的光谱混合在一起产生白光；其两侧的解理腔面都镀有反射膜，形成光子谐振腔；光出射方向为全侧面出光，此种结构适合GaN基或ZeSe基的LED，或者其它材料的LED；其衬底是蓝宝石衬底，或SiC衬底，或者别的衬底材料。

The Vifa PL woofers were designed without compromise and feature a specially coated paper cone, Non Resonant Suspension Coupling system, long linear excursion, and a vented pole piece.

该威发特等woofers设计，没有妥协和功能一个专门涂布纸锥，非谐振暂停耦合系统的，长期的线性冲程和排气杆件。

Physical model of computer box is established and through analyzing the changing curves of change of electromagnetic field with time and change of coupling coefficient with frequency, the coupling regulation of electromagnetic on computer box is obtained. It is as follows: electromagnetic pulse has a great effect on components of computer box through apertures and slots, the coupling energy in the box increases first and then decreases. The existence of components decreases the shielding effectiveness and resonant frequency.

建立计算机机箱的物理模型，通过分析机箱内的电磁场随时间的变化曲线和耦合系数随频率的变化曲线，得到电磁脉冲对计算机机箱的耦合规律：电磁脉冲可以通过孔缝进入机箱内部，对机箱内元件的瞬间影响较大；机箱内的耦合能量是先增加后减小；元件的存在使得机箱的屏蔽效能降低，谐振频率下降。

It is significant to calculate the coupling coefficient between feedingline and microstrip resonator accurately for designing the microstrip filter.

在设计微带滤波器中，准确计算馈线与谐振器之间的耦合系数具有重要的意义。

The windings in the valve side adopt prolonged delta connection providing the circuit for three-multiple harmonic currents, and implementing 12-pulse converter through fit ratio; this connection between the common winding and prolonged winding can decrease the current impact when phase conversion takes place.

该换流变压器阀侧绕组采用延边三角形接线，为3倍次谐波电流提供通路；通过匝比配合，实现12脉波换流；其延边绕组与公共绕组构成自耦变压器接线，可减少换流器换向时的电流冲击；在公共绕组上连接滤波支路，并调至谐振点，配之以变压器巧妙的零阻抗设计，可以在阀侧实现无功补偿，可实现网侧绕组中无5、7、11、13次特征谐波，即谐波屏蔽。

Based on the analysis and investigations of dual-band microstrip annular ring slot antenna, a novel miniaturized dual-band annular ring slot antenna for WLAN applications is presented. It utilizes two rectangle notches to overcome the problem of resonant effects caused by the distance between inner and outer ring slots.

基于对微带双圆环缝隙天线的研究与分析，通过连接型矩形槽设计克服了内、外环距对谐振效果的影响，提出了一种应用于无线局域网通信的小型双频圆环缝隙天线，并且可以实现圆极化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。