谐振的

In order to overcome the shortcomings of the monopole antennas, a methods of quasi-fractal is used, which decrease the resonant frequency.

为此，对HF频段的单极子天线进行准分形，有效地降低了天线的谐振频率。

The negative sign means that energy is transferred from the oscillator to its environment.

负号的意思是能量由谐振子传递到它的环境。

The results obtained are useful to nondestructive evaluation.

电极的优化设计，对谐振器的微型化有重要意义。

In the perturbation approach the ro-vibrational Hamiltonian is expanded in terms of the normal coordinates, their conjugate momenta, and the rotational momenta. The harmonic oscillator and rigid rotor wavefunctions are then used as the basis functions.

根据光谱理论，在谐振子和刚性转子的表象中，通过切变换导出一个等效的哈密顿量，考虑各种共振相互作用后，对角化哈密顿矩阵得到本征能量。

The MAX483MJA is an integrated Pulse Width Modulation controller and Sense FET specifically designed for Quasi-resonant off-line Switch Mode Power Supplies with minimal external components.

该MAX483MJA是一家综合脉冲宽度调制控制器和感场效应管专为准谐振离线开关电源设计的最少的外部元件。

In this circuit the resonator element (20) constitutes a resistor with an ohmic resistance which is a function of the length.

在该电路中，谐振元件(20)构成具有欧姆电阻的电阻器，电阻是长度(1+d1)的函数。

The heating phenomenon emerges in some conditions when a semi open resonance tube is placed in a stream of gas.

放置在高速喷流中的半开口气动谐振管在一定的条件下会出现加热现象。针对这一现象

This paper puts forward a novel DC link parallel resonant soft switching technology. It mainly analyses the topology, working principle of the soft switching inverter. Finally it validates its theory and feasibility through experiment.

该文提出一种新型的直流环节并联谐振软开关技术，重点分析了此种软开关逆变器的拓扑结构、工作原理和特点，并通过实验验证了其原理和可行性。

The ways of parallel resonant DC link and three-level control strategy were used in this power amplifier circuit. Output current ripple of power amplifier can be reduced as three-level power amplifier, all of power switches work on and off under the zero voltage switching or zero current switching, loss of switching and current ripple interference effectively reduced.

该电路在功率放大器三电平控制策略的基础上应用了并联谐振直流环节，保持了三电平功率放大器输出电流纹波小的优点，同时功率器件均工作在零电压或零电流条件下，开关损耗、电流纹波干扰有效地减小。

The present invention provides a multilayered chip capacitor comprising internal electrodes and external electrodes formed to be perpendicular to the internal electrodes, whereby parasitic capacitance is reduced, resulting in no parallel resonance frequency effects.

本发明提供了一种多层片式电容器，该电容器包括内部电极以及垂直于内部电极形成的外部电极，从而降低了寄生电容，并获得了无并联谐振频率的效果。

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％。