指数型号筒具有抑制高低次谐波的作用；
The exponential type horn can suppress high harmonic wave and low harmonic wave.
抑制高次谐波的产生，是手机设计中的关键。
The most important issue in mobile phone design is to suppress harmonics.
目的探讨二次谐波技术对胰腺肿块的诊断价值。
Objective To discuss the value of second harmonic imaging in diagnosing pancreatic masses.
复杂振动中频率最低的成分(基频或一次谐波)。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
若进行扩展，该算法还能应用于单次谐波的检测。
The single harmonic can be detected by extending the proposed algorithm.
并利用负载牵引法对二次谐波匹配网络进行了优化。
The second order harmonic output matching networks are optimized by load-pull method.
减少了变频器输入电流中包含的高次谐波成份的输出。
It reduces the high hypo syntony wave output part included in the converted input current.
还讨论了泵浦束的发散角对二次谐波转换效率的影响。
We have also discussed the effect of the beam divergence on the second harmonic conversion efficiency.
最后讨论了二次谐波加热和少数成份离子加热的实例。
Some examples are discussed for second harmonic heating as well as the minority heating.
因而，系统不但出现高次谐波，而且还将出现亚谐波及。
So not only super-harmonic, also subharmonic and stochastical oscillation will appear.
目的探讨超声造影二次谐波成像技术在肝血管瘤中的应用。
Objective To investigate the application of SonoVuecontrast-enhanced ultrasound and second harmonic imaging in liver hemangioma.
讨论了蓄电池充电整流器所产生的高次谐波及其抑制措施。
The high-frequency harmonics from charge rectifier of storage battery and its suppression means were discussed.
对传感器信号处理采用的二次谐波反馈电路，电路为闭环系统。
Adopting the reactive circuit of twice harmonic to process the sensor signal, the system is closed loop.
它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
本文简单介绍了高次谐波产生的机理、危害及有效抑制干扰的方法。
This paper brief introduces the mechanism, damage and restraining method of high order harmonic.
研究了银膜表面由于吸附吡啶分子而引起的表面二次谐波信号变化。
The changes in the SH signal due to adsorption of pyridine molecules on the Ag film were investigated.
论文的第三章研究了极化子效应对方形量子阱中三次谐波产生的影响。
In the third chapter, polaron effects on the third-harmonic generation in square Wells are investigated.
讨论了气体介质的非均匀性对飞秒激光高次谐波产生过程的可能影响。
The possible influence of nonuniform gaseous medium on high order harmonics generated by femtosecond laser is discussed.
它采用双向开关和同期整流，得到了高功率因子、高效率和低高次谐波。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.
在平衡电路中，节点处奇次谐波流过差分路径。偶次谐波流过共模路径。
In any balanced circuit, odd harmonics circulate in a differential path, while even harmonics flow in a common-mode path.
作者对在变压器中加三次谐波滤波器和三次谐波电源分别进行了实验研究。
Experimental study with third-harmonic filters as well as with third-harmonic power sources were conducted.
有限振幅的超声波在固体中传播时会发生波形畸变，伴随着高次谐波的出现。
Wave distortion will occur when finite amplitude ultrasonic waves propagate in elastic solids, resulting in the production of higher order harmonics.
通过改变励磁电流的大小，得到了基波绕组和三次谐波绕组的空载特性曲线。
The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
发电机的谐波组开路或短路，无三次谐波电压输出，检查绕组接头或拆换绕组。
If no triple overtone voltage, check the winding lug or replace with another winding.
结果表明该电路在具备了软开关特性的同时，还可以有效地降低高次谐波含量。
The result of simulation shows that the circuit has the soft switching characters and its high harmonic has been decreasing.
利用量子力学中的密度矩阵算符理论导出了该系统中三次谐波产生的解析表达式。
An analytic representation for the third-harmonic generation along the well is derived by the density matrix operator theory of the quantum mechanics.
本文简要介绍电力系统中高次谐波的危害，以及选择的防治、抑制谐波干扰的措施。
The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
电网中的高次谐波对电网有污染，抑制高次谐波是电力系统运行中的重要研究课题。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
电网中的高次谐波对电网有污染，抑制高次谐波是电力系统运行中的重要研究课题。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
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