英语释义

• the lowest tone of a harmonic series

片语

fundamental angular frequency基本角频率

fundamental E frequency基频

basic frequency[物] 基频；[物] 主频

fundamental ripple frequency脉动基频

longitudinal fundamental optical frequency纵向光学基频率

fundamental vibrational frequency基频

fundamental U frequency基频

Fundamental Train Frequency轴承保持器损坏频率

fundamental-frequency content基波含量

fundamental resonance frequency基本共振频率

英汉例句

• refraction correction carrier phase measurements is composition of two different sets of fundamental frequency wide-lane carrier phase measurement.

  折射校正载波相位测量是由两组不同的基本频率宽巷载波相位测量组成。

• the relationship between the fundamental frequency discount and the relative stiffness ratio was obtained by data fitting.

  根据试验结果得到钢框架模型基频折减率和上部结构与地基相对刚度比的关系式。

• experimentally the spectrum of the sound field radiated by the cracked plate on collision is measured and the fundamental frequency is determined.

  实验上用小球撞击法测定了裂纹圆板的辐射声场频谱，并得出了谱的基频。

• the traditional pitch detection algorithm based on wavelet transform extracts the fundamental frequency by comparing the positions of maximum wavelet coefficients of continuous scales.

  传统的小波变换基频检测通过比较相邻尺度上的小波系数极值点来进行检测。

• the filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.

  该滤波器在基频处的幅值无衰减，相位无延时，能将2次以上的谐波全部滤掉。

• for the first time, it is proposed that the of nonlinear damping force of er fluid is made up of fundamental frequency and higher harmonics which are odd times of fundamental frequency.

  提出电流变流体的非线性阻尼力的频谱是由基频和频率为基频奇数倍的高次谐波分量组成。

• characteristic curves of the fundamental frequency varying with the central amplitude are presented for some given values of the temperature rise.

  在给定不同温度载荷参数时，获得了对称正交铺设复合材料矩形层合板的基频与中心无量纲振幅之间的特征关系曲线。

• there was always fundamental frequency component in the sabep to two component complex tones, whether the difference frequency is equal to the fundamental or twice the fundamental.

  对双组分谐波复合音，无论其间差频等于基频或基频的两倍，其诱发反应频谱中均出现基频成分。

• the active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.

  对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。

• the average magnitude of this conversion function in frequency domain represents gve, and the variation of the magnitude in fundamental frequency is identical to ac/dc value.

  频域平均声门发声效率反映了物理定义上的声门发声效率的变化，而声门基频发声效率的变化与ac／dc比值变化一致。

• an adaptive line enhancer based on the above notch filter extracts the fundamental frequency signal from noisy data.

  采用自适应谱线增强器从含有噪声的数据中提取出基频信号。

• the experimental items include the fundamental frequency (fo), the rimal duration, the amplitude and the formants.

  声学实验项目包括基本频率、音长、音强和共振峰。

• finally, the fundamental frequency estimation under different pq disturbances condition, such as harmonics, voltage.

  提出了一种电能质量干扰环境下的电力系统基本频率估计方法。

• it is shown that the offset of propulsion force and the lower natural fundamental frequency are caused by asymmetry of turbopump and weakness of connection stiffness between propulsion and frame.

  研究表明，涡轮泵不对称以及发动机与机架之间连接刚度弱是引起推力偏心和基频固有频率偏低的主要原因。

• this paper analyzes the condition in which hvdc system reaches the limit of power transmission with fundamental frequency quantities.

  利用一种常用的简化hvdc输电系统模型，基于基频的系统变量分析了直流系统功率传送达到极限的条件。

• results and conclusion the fundamental frequency of the beat signal is relative to the target distance.

  结果与结论差频信号的基波频率与目标距离相对应；

• finally, the fundamental frequency estimation under different pq disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.

  并运用大量仿真，对本方法在谐波、电压波动等干扰环境下基本频率估计的有效性进行验证。

• the results shows that the fundamental frequency of the model which takes the combined activate into consideration reduced evidently, and the fundamental period prolonged evidently.

  研究结果表明，考虑地基土、砂砾石垫层、上部结构共同作用时，结构的基本频率明显减小，相应的基本周期明显延长；

• influence of factors on fundamental frequency such as tapering coefficient, counterweight on tower top and elastic support were discussed.

  分析了附加质量、变截面系数和弹性约束等因素对结构基频的影响。

• results show the cable wind-proof wire may greatly meliorate integral structural rigidity and improves the self-vibration fundamental frequency and the effect is quite obvious.

  结果表明，设置缆风索能大幅提升结构整体刚度，从而使结构自振基频得到提高，且效果明显。

• the sounds that were equivalently different in harmonicity and fundamental frequency were targeted for changing in the study

  谐度与基频差相同的声音将会在研究当中作为进行对比试验的不同声音。

• based on the dynamic balancing of rigid rotors, an integral digital tracking filter method is put forward for fundamental frequency detection.

  以刚性转子现场动平衡为背景，提出了用于基频检测的积分型数字跟蹤滤波法。

• it is verified experimentally that convergent resonance tube is better than uniform section type on suppressing fundamental frequency energy drift.

  从实验上验证了把等截面谐振管变为变截面谐振管有助于对基频能量漂移的抑制。