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high frequency相关的网络例句

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与 high frequency 相关的网络例句 [注:此内容来源于网络,仅供参考]

The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.

指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。

In series capacitance,the low frequency is load resonance frequency.In parallel capacitance,the high frequency is load resonance frequency.

在串联电容时,负载谐振频率是两个频率中的较低的那个频率,而在并联电容时,负载谐振频率则是其中较高的那个频率。

Based on the principle of PEC, surface cracks mainly affect the high frequency components and subsurface crack mainly affect the low frequency components, so the PEC signals can be analyzed in frequency domain, which can eliminate the influence of noises during measurement. A method of frequency spectrum separating point is proposed for flaw classification, which enhances the accuracy in classification of defects. The agreement between theory and experiment shows that the present method is valid and applicable.

通过对脉冲涡流的理论分析发现,表面裂纹主要影响脉冲频谱中的高频成分,而表面下裂纹主要影响脉冲频谱中的低频成分,因此可以将时域中易受噪声影响的脉冲涡流信号变换到频域分析,提出了"频谱分离点"的方法来对裂纹进行分类识别,提高了缺陷分类识别的正确率,理论分析和实验结果相一致,证明了该方法的正确性和有效性。

The effect of endoscopic plasma radio-frequency therapy for gastrointestinal polyps is obvious and very safe, and bequite with high-frequency eletrosetion, plasma radio-frequency electrosetion could be used on special locations and excelled to the comparisonal group in therapic time,be good for clinical using as the preferred method to therapy for gastrointestinal polyps.Key words: polypus recti; endoscope; radio–frequency therapy; cutting

等离子射频技术应用于消化内镜下息肉切除,具有安全、疗效可靠,其疗效与高频电切相当,且能够在内镜反转状态针对胃底、直肠下段等特殊部位息肉实施有效切除,在术后愈合时间上明显优于对照组,可尝试作为内镜下切除消化道息肉的首选方法,对具有消化内镜诊疗条件的医疗机构,值得临床推广应用。

The findings: with the apparent dominant frequency of the Ricker wavelet rising, the detection SNR will get worse gradually, it is obvious that the variety of the SNR is slower during the portion of high frequency than during the portion of low frequency; in the usual range of seismic prospecting frequency, the SNR of the chaotic oscillator detection system could partially make up the amplitude attenuation aroused by the transmit of the seismic wave; the results could provide help for detecting the event constituted by aberrant wavelets.

本文以Ricker子波模拟地震子波,研究Ricker子波视主频变化的相应检测效果。研究结果:随着Ricker子波视主频的升高,检测SNR逐渐变差,在高频部分SNR的变化明显比低频部分缓慢;在通常地震勘探频率范围内,混沌振子系统检测SNR有可能部分补偿由于地震波传播引起的幅度降低;为检测由畸变子波构成的同相轴提供一定的可能。

According to the field variation with frequency in the test volume, the work frequency of GTEM cell can be divided into three frequency areas, namely, quasi-static area, high frequency area and out of the vertical polarization area.

根据测试区场分布随频率的变化情况,可将GTEM传输室的工作频率分为三个特征频段,即:准静态区、高频区和非垂直极化区。

Namely in high-frequency unit use gradually incisive time resolution and lower frequency resolution, in order to moves the near observation signal quickly to change the part; In low frequency partially has the higher frequency resolution and the lower time resolution, in order to moves the far observation signal slowly to change partially, the wavelet this kind of signal analysing expression characteristic to analyzes the non- steady signal is extremely effective, suits the transient state anomaly very much which smuggles in the survey normal signal and demonstrates its ingredient, therefore by reputation for analysis signal microscope.

即在高频部分使用逐渐尖锐的时间分辨率和较低的频率分辨率,以便移近观察信号的快变部分;在低频部分具有较高的频率分辨率和较低的时间分辨率,以便移远观察信号的慢变部分,小波这种信号分析表示特征对分析非平稳信号是非常有效的,很适合于探测正常信号中夹带的瞬态反常现象并且展示其成分,所以被誉为分析信号的显微镜。

With the development of semiconductor devices, the switching frequency of PWM converters becomes higher, which makes PWM converters (mainly high-frequency transformers, inductors and capacitors in converters) smaller, and this will benefit design and application of them. Whats more, higher switching frequency will reduce the audio-frequency noise and improve dynamic response of PWM converters.

随着半导体器件技术的不断发展,PWM变换器所能达到的开关工作频率越来越高,使得变换器(主要是变换器中的高频变压器、电感等磁性元件和电容)的体积和重量越来越小,这有利于PWM变换器的设计及推广应用。

Speakers import modules with a combination of : titanium membrane Treble, and with fiberglass trumpet, better high frequency extension stronger sense of space; Bass modules using imported pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response and bass modules using aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly. more males, bass magnetic circuit using high efficiency of the cooling system to ensure that the speakers have very good heat dissipation, reduce distortion, effectively reduce the power to the compression.

跟进口喇叭单元的结合:采用钛膜高音,配以玻璃钢号角,使高频得到更好的延伸,空间感更强;低音单元采用进口纸浆参碳纤维,纸盆刚性大大加强,在有效的频宽内有更平坦的频率回应,低音单元采用铝盆架和铝扁线音圈,音圈骨架为美国军事物料制造,品质轻,效率高,使音频的声压大幅度提高,更具爆发力,低音磁路采用高效率的冷却系统,保证了扬声器有很好的散热,减少失真,有效降低功率的压缩给。

In neural transmission experiment shows that the greater the stimulus intensity to stimulate the higher the frequency of nerve impulses, high frequency extremely low frequency rejection, for nerve inhibition; light stimuli at low frequency, for the nerve on the weak signal, there are complementary role.

在神经传输的实验中证明,刺激力度越大,激发神经脉冲的频率越高,高频率极易抑制低频率,对于神经有抑制作用;轻刺激产生低频率,对于神经上的弱信号,有相辅相成的作用。

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