wave frequency的例句大全

And a analysis of several methods solving the problem of acoustic resonance is presented, with an emphasis of the low frequency square wave method.

分析了解决HID气体灯声共振问题的不同方法的特点，重点对低频方波电子镇流器进行介绍；

While the lamp is running in the steady-state, it can also make the lamp work at a low frequency square wave voltage and current a voiding acoustic resonance.

在稳态时可以使灯工作于低频叠加高频的方波电压，从而避免了声谐振的发生。

Compared with the surface acoustic wave filter with same period and same size of all fingers of interdigital transducers, the frequency response of that which based on evolutionary design is improved greatly, especially in its side lobe suppression.

与典型的等周期、等指长的声表面波滤波器相比，采用进化方法设计，极大地提高了滤波器频率响应性能，旁瓣抑制得到了改善。

Use method ( 1) named" the programmable trapping wave", which is merged with frequency spectrum convert in linear, Direct Digit Synthesizer and Surface Acoustic Wave Filter, to open a communication band in jam-band willfully.

使用融合了线性频谱搬移技术、数字频率合成技术以及声表面波滤波技术的可编程陷波法，在干扰频段内任意开辟出通讯频段窗口；

He steady state Rayleigh wave prospecting method in which the vibration frequency is changed successively from high to low, while the transient one is a wide-spectrum one.

稳态瑞雷波勘探是由高到低逐渐改变振动频率的瑞雷波勘探方法，而瞬志瑞雷波勘探是宽频谱瑞雷波勘探。

Both pressure wave speed and attenuation were measured under different disturbed frequency with pressure transducers mounted flush to the pipe wall. In the bubbly flow, the results show that both the pressure wave speed and attenuation have close relation with the disturbed frequency.

实验结果表明，对泡状流，在实验范围内，压力波的传播速度及其衰减跟扰动频率有关，随着扰动频率的增加，波速及其衰减都增加；

Analytical solution in frequency domain of dynamic response of thin-wall pipe piles with variable wave impedance under low strain transient concentrated load

变频器在二次方率负载调速中的运用低应变下变阻抗薄壁管桩动力响应频域解析解

Theoretical and measured frequency responses of the designed filter show a good agreement. Secondly, a dual-band bandpass filter using microstrip slow-wave resonators is developed for WLAN applications.

理论和测试结果吻合很好。其次，提出了一种适用于无线局域网系统中的微带慢波结构双频带通滤波器。

This paper analyzes the characteristics of crosswell seismic data in terms of wave-field type, tube wave characters, reflection angle and frequency content.

从波场类型、管波特点、反射角度分布以及频率特征等方面，系统分析了井间地震资料的特点。

Consideration the choice of vibration frequencies, some experts found that, when the vibration frequency is high, although removal of stubborn localized within the dense layer cake, but the stability of the shaft of the vibration wave will produce certain adverse effects.

结合振动频率方面的选择，部分专家通过研究发现，当振动频率较高时，虽然能在局部范围内切除顽固的致密层泥饼，但是振动波会对井壁的稳定产生一定的不良影响。

The sky wave over the horizon radar ( OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.

天波超视距雷达（OTHR）是一种利用电离层对高频信号的反射作用自上而下进行目标探测的雷达体制。

The adjusting technique about the resonance frequency in the measurement of the supersonic wave velocity

超声波波速测量中谐振频率的调试技巧

Mechanism of the Influence of Low Frequency Modulating Magnetic Field on Brain Wave Rhythm

低频调制磁场对脑电节律的影响机理

computation for gage length and measurable frequency of strain wave using the strain gage

应变计栅长与可测应变波频率计算

There are mainly two kinds of interferences at this frequency band. One interference is caused by the sky wave and the other one is the near-far effect.

在此频段主要存在两方面的干扰，一是天波对地波的强干扰，二是远近效应。

An analysis on error code rate of slow frequency hopping system for short wave

短波慢跳频系统误码率分析

New Algorithm to Extract Ocean Wave Information from High Frequency Ground Wave Radar

高频地波雷达浪高参数提取的一种新算法

after the structural interpretation of post-stack seismic section, non-isotime extrapolated wave impedance inversion of target horizon is made, starting from borehole-side trace, to achieve seismic inversion operation of the same horizon under a restriction of equal low frequency background.

对叠后地震剖面进行构造解释后，再从井旁道出发对目标层段进行非等时的外推波阻抗反演，使用相同层位的地震数据能够在相同低频背景的约束条件下进行反演运算。

Sine wave output, low distortion and high stability, frequency range over with whole audio range.

正弦波输出，失真小，稳定性好，频率范围覆盖整个音频范围。

Correcting Frequency And Error Analysis of Auxiliary Carrier Wave of Color Television

彩色电视副载波校频及误差分析