谐振的

This paper proposes a generalized averaging method for modeling resonant inverter applied to electronic ballast.

摘 要：提出了用广义的状态空间平均法建立电子镇流器谐振逆变器数学模型的方法。

Two dual-band inverters are proposed, which can be easily merged with adjacent resonators to reduce the circuit size.

另外，我们亦探讨两种适合的倒转器结构，由於可与相邻的谐振器结合，因此整个滤波器结构能够更为紧实。

Based on the research performed on its temperature characteristics, and the quartz resonant force sensor's self—temperature—testing method of employing the beat frequency is presented.

研究了传感器的温度特性，并在此基础上提出了利用差值频率实现石英谐振式传感器温度自测的方法。

The BIL is usually expressed as a per-unit of the peak value of the normal operating voltage to earth.

BIL一般表示成对地正常工作电压的标么值。偶极谐振子和可以用积分后的光子吸收截面来表示。

The conventional swept frequency method for measuring quality factor of a cavity resonator is limited in practical use.

传统的谐振腔品质因数扫频测量方法在实际测量时存在一定的限制。

This thesis focuses on the computer-aided diagnosis and tuning method for cascaded coupled and cross-coupled resonator cavity filters.

本文主要研究级联耦合和交叉耦合谐振腔体滤波器的计算机辅助诊断和调试的方法。

This thesis focus on the computer-aided diagnosis and tuning method for cross-coupled resonator cavity filters.

中文摘要：本文主要研究交叉耦合谐振腔体滤波器的计算机辅助失谐诊断与调谐的方法。

With the multiple spectrum character of the ultrasonic generator, an impedance model of ultrasonic transducer under the triple frequency harmonic is built.

本文利用超声电源的多频谱特性，推导出超声换能器在谐振频率三次谐波下的阻抗模型。

The transmit matrix,characteristic of misalignment and field of the directional prism resonator are discussed by means of matrix optics.

利用矩阵光学的分析方法对定向棱镜谐振腔的传输矩阵、失调特性和场特性进行了分析和近似计算。

Based on the high frequency power amplifier,a class E resonant high frequency DC/DC and a phase-shifted control strategy are proposed in this paper,the converter based on the idea can heighten switching frequency,reduce the loss of the system,widen the range of output.

以高频功率放大器为基础，提出了一种超高频E类谐振DC/DC变换器的移相控制策略，基于这种思想的变换器可以提高开关频率，降低系统损耗，拓宽输出范围。

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％。