片语

double mixed frequency双混频

double-frequency properties倍频特性

double-frequency oscillation双频振蕩

double sampling frequency双频率采样

double-frequency vibration倍频振动

double blade frequency倍叶频

double e frequency beacon双频信标

double-frequency receiver双频接收机

英汉例句

• the experimental results indicate that the signal intensity is not strong enough when using quadruple frequency laser probe. therefore, we choose double frequency laser as the probe.

  实验发现采用设计的四倍频激光探针时，探针信号强度不够，因此改用二倍频激光探针。

• objective to evaluate the treatment effect of using the double frequency laser 532 to treat the pathological changes of retina due to diabetes before proliferation.

  目的评价倍频532半导体激光器治疗增殖前期糖尿病视网膜病变的疗效。

• introduction of the double frequency circuit of phase-locked makes the benchmark pack pulse change with signal frequency, thus eliminates the error caused by frequency change.

  引入锁相倍频电路，使基準填充脉沖能随着信号频率的变化而变化，从而消除了频率变化引起的误差；

• this double frequency distortion can be used to double frequency of incident signal.

  这种倍频失真可用于对入射信号进行倍频。

• the elementary principle and electric circuit design of large scale b grade submersible pump test system were given. the system has high grade, double frequency and large power.

  设计了一种大功率、双频率、高精度潜油电泵试验系统，分析了其测试原理，介绍了该系统电源的一次回路设计方法。

• based on the research of frequency hopping (fh) communication system, a new synchronization method-dynamic double frequency synchronization method is proposed.

  本文在分析若干跳频同步方法的基础上，提出了一种分布式动态双频跳频同步方案。

• it compares the pilot distance protection with power line carrier(plc) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.

  比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。

• meanwhile, this technology cooperating double frequency chain can also generate wide band and ultra-wide band radar pulse compression signals.

  同时，利用中频数字直接产生技术辅以倍频链还可实现宽带、超宽带雷达脉沖压缩信号的产生。

• it reveals the probability and conditions of extra-low frequency oscillation and double frequency oscillation in power systems.

  该分析揭示了电力系统产生超低频振蕩和倍频振蕩的可能性和条件。

• in the light of the performance features of knudsen 320m detector, this paper analyzes on the application of double frequency detector in the water-depth measurement.

  针对knudsen320m型测深仪的性能特点，介绍了双频测深仪在水深测量中的应用。

• this article shows how to choose the double frequency crystal in the properties of basic wave beam provided and how to choose the suitable ways of phase match.

  本文提供在已知基波光束性能的情况下、如何选择合适的倍频晶体，以及相应的相位匹配方式。

• this paper did farther experiment study of swing and phase angle of the double frequency vibrating roller, and got the preferable value of frequency, swing and phase angle.

  本文对双频振动压实机的振幅和相位角做了进一步的试验研究，得出了在给定介质条件下频率、振幅、相位角的较佳值；

• a high-precision base line indoor was build using double frequency laser interferometer as the measurement standards.

  采用室内双频激光干涉仪为计量标準，建立了一条高精度室内基线。

• the edge transition of pulses from incremental encoder can be detected with double frequency to improve measurement precision, and to avoid measurement errors and accumulative errors.

  汉字和图形相结合。 对增量编码器的脉沖信号沿变化进行倍频检测，提高分辨精度，避免计数误差和累积误差。

• the oh - transmissive spectra, photo damage resistance, photo conductivities and the double frequency properties have been measured.

  测试了晶体的红外透射光谱、抗光损伤能力、光电导和倍频性能。

• on constant frequency ratio, loading ratio has an importance influence on the initiation and propagation of fatigue crack under double frequency complex loading.

  在频率比确定的条件下，载荷比是影响双频疲劳裂纹萌生及扩展的一个重要因素。

• computer memory play, and set various broadcast modes such as time play, double frequency scanning, low speed, stop motion, paragraphs repeat, etc.

  电脑记忆播放，设置时间播放，倍速扫描、慢速、逐格、段落重复等多种播放方式。

• the angle spectrum analysis of self-image of double frequency grating is given. the grating duplication and the measurement of lens focus are obtained by tablot effect of holographic phase grating.

  本文给出了双频光栅自成象的角谱分析，并利用位相型的全息双频光栅的太保效应来进行复制光栅和测定透镜焦距等。

• adopting mutually orthogonal magnetic fields, the power tuning curve is utilized for stabilizing optical frequency, the frequency difference drift of double frequency is lower greatly.

  采用正交磁场由功率调谐曲线实现稳频，可使双频频差的漂移量大大降低。

• we found conical double frequency emission(cdfe) have different character (different angular radius and gaps) in different direction, and found the gap in the cdfe for the first time.

  通过引入偶极振子辐射模型来确定散射光的偏振，计算产生倍频的有效非线性极化，成功地解释了缺口存在的位置。

• the results show that fraction frequency scattering and double frequency scattering have the similar scattering behaviour as the resonance scattering.

  分频散射和倍频散射峰与共振散射峰具有相似的散射行为。

• the fraction frequency and double frequency scattering peaks exhibit similar scattering behaviour as the resonance scattering.

  分频散射和倍频散射峰与共振散射峰具有相似的散射行为。

• phase locking double frequency circuit is introduced to make the datum pack pulse change with signal frequency so as to dispel the error caused by frequency change.

  并引入锁相倍频电路，使基準填充脉沖随着信号频率而变化，消除了频率变化引起的误差；

• in this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.

  本文中将倍频晶体分割成无数多个小倍频单元，并导出每个倍频单元中的谐波功率与倍频效率。

• by combining the double ultra- short pulse forming circuits and the corona generation device specially, the double frequency high decomposition efficiency has been obtained.

  该系统的特点是：运用双超短脉沖发生电路与电晕发生装置相组合，形成高效降解的倍频效果。

• objective:to observe the effect of double frequency yag laser in treating pterygium.

  目的：观察倍频yag激光治疗早期翼状胬肉的临床效果。

• the improved measurements of how to reduce the shaft frequency and the double frequency of the pump and how to lower the pressure pulsation and shock in the pump are presented.

  提出如何降低该型离心泵轴频、倍轴频以及如何减小泵内压力脉动和沖击的建议。