modulation frequency

英 [ˌmɒdjʊˈleɪʃən ˈfriːkwənsi] 美 [ˌmɑdʒəˈleɪʃən ˈfriːkwənsi]

网络  调制频率; 调制信号频率; 调变频率

计算机



双语例句

  1. To solve the problem of sky-high modulation frequency requirement in MOG ( Micro-Optical Gyroscope), a new double-frequency modulation technology based on triangular wave was proposed.
    对微光学陀螺双频率调制中需要极高调制频率差的问题,提出了一种基于三角波的双频率调制技术。
  2. An optimal well number for the minimum threshold currenl and an optimal cavity length for the highest modulation frequency have been obtained.
    从理论上得到了获得最低阈值的最佳阱数和最大调制带宽的最佳腔长。
  3. The support vector clustering ( SVC) algorithm was introduced to detect linear modulation frequency ( LFM) signal and estimate its parameter.
    文中引入支持向量聚类(SVC)算法对多分量LFM信号进行检测和参数估计。
  4. The experiment shows that the bandwidth of the time delay as a function of the modulation frequency changes in the absorption and gain regimes due to the carrier-lifetime variation.
    实验结果表明,由于载体寿命的变化,在吸收和增益区域,带宽的时滞随着调制频率的变化而变化。
  5. Study of countermeasures to deceptive jamming using random linear modulation frequency ratio SAR
    随机线性调频斜率SAR抗欺骗干扰方法研究
  6. It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
    理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
  7. High-frequency and modulation frequency signal generator
    高频调频信号发生器
  8. A single modulation frequency method used in the passive h maser
    利用单频调制技术实现被动型氢钟的锁定
  9. The relations between deflection signal and parameters of coating, substrate and modulation frequency are analysed by numerical calculation.
    通过数值计算,分析了偏转信号与薄膜参数、基体参数以及调制频率之间的关系,用反射式光热偏转装置对光学薄膜的光热偏转信号进行了实验研究。
  10. Then, the effect of modulation frequency, transmission distance and fiber dispersion on XPM were analysed.
    然后,分析了调制频率、光纤色散以及泵浦波SPM对XPM的影响。
  11. It gives the concretely process reality of general test system structure chart and modulation frequency test domain, through the analyzing the theory of modulation frequency.
    通过对调制域测频原理的分析,给出了一般性测试系统结构框图和调制域测试的具体实现过程,找到了提高测试信号精度的方法。
  12. The effect of modulation frequency on phase demodulation is analyzed in sinusoidal phase modulating ( SPM) interferometry for displacement measurement. A rule for selecting modulation frequency is presented.
    针对正弦相位调制(SPM)干涉测量技术用于位移测量时,调制频率对干涉信号相位解调的影响,提出一种调制频率的优化选择依据。
  13. Digital natural sampling based SPWM overcomes the disadvantage which is hard to apply to multilevel-inverter of high modulation frequency and high precision synchronously for microprocessor realizing SPWM waveform.
    SPWM数字化自然采样法克服了微处理器实现的SPWM波形很难同时应用于高调制频率和高精度的多电平逆变器中的缺点。
  14. The wavelength of an actively mode-locked fiber laser based on erbium doped fiber amplifier ( EDFA) was stabilized in the experiment. The modulation frequency of the mode-locked fiber laser was 10.06 GHz.
    在实验中对基于掺铒光纤放大器(EDFA)的主动锁模光纤激光器进行波长稳定,激光器的调制频率为10.06GHz,观察到了良好的稳定效果。
  15. The relationship between the intensity modulation depth of light source and the modulation frequency and injection current of laser diode ( LD) is studied in a LD interferometer with a photothermal modulation which is used for optical fine measurement.
    本文研究了用于光学精密干涉测量的光热光频调制半导体激光干涉仪中,光强调制度与调制频率和激光器注入电流的关系。
  16. This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation;
    本文对双极性调制的无刷直流电动机仿真,分析了转速和调制频率对转矩影响;
  17. The characters of this improved circuit are not only low phase noise and high stable carrier but also ideal AF modulation frequency response, excellent anti-vibration and temperature performance.
    该电路不仅具有低的相噪、高稳定的载波,还具有理想的音频调制频响、优良的抗震动性能和温度性能。
  18. The experimental data of copper was obtained about the phase lag dependence of modulation frequency at normal temperature, and the thermal diffusivity of copper was acquired by using the linear fit.
    实验得到了铜在常温下的调制频率与相位差间的实验数据,通过对实验数据的线性拟合得到了铜的热扩散系数,以及铜-不锈钢在300K和20K低温下的接触界面层热阻。
  19. In this paper, the effectes of modulation index, modulation frequency, modulation method and LPF parameters on current-fed active compensator arc studied by using digital simulation and the performances of voltage-fed active compensator are compared with those of the current-fed active compensator.
    本文通过数字仿真研究了调制度、调制频率、调制方法和滤波器参数对电流型有源补偿系统补偿性能的影响,并对电流型与电压型补偿系统的补偿性能作了对比。
  20. Analysis of Modulation Frequency in Sinusoidal Phase Modulating Interferometry for Displacement Measurement
    正弦相位调制位移干涉测量技术中调制频率的优化选择
  21. It is found that the modulation frequency is up to 1.3 GHz using matching technology of microstrip lines.
    实验证明,采用微带匹配技术,可使这类激光器的调制频率达1.3GHz。
  22. Response of Electro-optical Coefficient of Thermal Poled PANDA Fiber Devices to Modulation Frequency
    热极化光纤中线性电光系数对调制频率的响应
  23. Chaotic signals at different wavelengths can be generated by adjusting the pump power, modulation frequency and tunable filter, and chaos synchronization is achieved.
    通过调节泵浦功率、调制频率和可调谐滤波器,可以产生不同波长的混沌信号,并实现混沌的同步。
  24. Chirping amplitude and phase changes with the modulation frequency are present.
    得出了啁啾幅度和啁啾相位与调制频率的关系。
  25. Relation between Current and Modulation Frequency of Detectors
    探测器的电流和调制频率的研究
  26. The nonlinear effect of vertical cavity surface emitting lasers ( VCSELs) is analyzed using the Volterra transfer function in analog modulation. The effects of the modulation frequency, spontaneous emission factor, and spontaneous emission lifetime on the third harmonic and third-order intermodulation distortions are investigated.
    采用速率方程与Volterra变换方法,分析了垂直腔面发射激光器在微波模拟调制情况下,频率、自发辐射因子以及自发辐射寿命对三阶谐波和三阶互调失真的影响。
  27. The modulation response function, demodulation response function and demodulation response factor are analyzed by small_signal analysis. It is found there are peak values about 60 MHz and the response functions and the demodulation factor decrease at high modulation frequency.
    小信号调制分析了系统混沌调制响应函数和解调响应函数以及解调因子,系统的调制解调响应函数以及解调因子在60MHz有一个峰值,系统在高频调制时,响应函数和解调因子明显下降。
  28. Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3K is to be adopted, as it is used in SPWM.
    文中还提出了抑制谐波电流和脉动转矩的方法,如在SPWM生成中,采用较大的3的整数倍调制比。
  29. Extracted modulation information and its strength and modulation frequency order can be analyzed which can be used to judge the fault parts.
    从信号中提取调制信息,分析其强度和频次就可以判断零件损伤的程度和部位。
  30. The implementation process of measurement ruler is the ranging launched process of phase laser, the launch system installations is mainly include the semiconductor lasers, modulation frequency generating microchip and transmitter optical system.
    测尺的实现过程即相位激光测距发射的过程,该发射系统的主要装置包括半导体激光器、调制频率发生芯片和发射光学系统三部分。