fundamental wave
英 [ˌfʌndəˈmentl weɪv]
美 [ˌfʌndəˈmentl weɪv]
基波
双语例句
- Design Electric Coils for Exciting Magnetic Fields with Cubic Harmonic Wave and Fundamental Wave Coils in Non-Brush Synchronous Three-Phase Generator
无刷同步发电机中的三次谐波励磁线圈及基波励磁线圈的设计 - The negative chirp introduced by the fundamental wave can compensate partially dispersion and improve conversion efficiency.
系统输出激光携带一定负啁啾可以补偿色散，提高三次谐波的转换效率。 - The experimental researches of fundamental wave injection locked2nd harmonic Gunn oscillators in3mm band are completed.
完成了三毫米波段第二次谐波振荡器的基波注入锁定实验。 - A new configuration with single resonator cavity for both pump laser and optical parametric oscillator ( OPO) is proposed, which make an improvement on output beam quality and the OPO resonance mode matches with fundamental wave resonance mode.
提出了OPO与泵浦源激光器共用一个谐振腔的新型结构，保证了OPO谐振腔和基波谐振腔的腔模最佳匹配，OPO光束质量得到了很大提高。 - Study of Fundamental Wave Equivalent Circuit and Dynamic Characteristics of DBD-Type Ozone Generator Powered by Medium-Low Frequency Sinusoidal Voltage
中低频正弦电压供电DBD型臭氧发生器基波等效电路与动态特性研究 - In this paper, researched how to extract the correct origin phase angle of fundamental wave or harmonic in three cases, and analyzed the cause of faults, the author gives improved methods that show good effect in simulation test.
本文对如何利用傅氏算法来求取正确的基波或某次谐波初相角方法分二种情况进行了研究，分析了原因，提出了改进办法，仿真试验证明效果良好。 - An 8 mm fundamental wave gyro traveling wave tube is studied.
对8mm基波回旋行波管放大器进行了研究。 - The relation between the interaction efficiency and some parameters is investigated in the case of the interaction of fundamental wave with secondary electron harmonic.
在此基础上，对复合腔回旋管进行了大信号分析，计算了基波与二次电子回旋谐波情况下电子效率与一些参数的关系。 - In this paper, The nonlinear resonant evolution of a two-dimensional fundamental wave and a pair of three-dimensional oblique subharmonic waves in a laminar boundary layer has been studied. Evolution equations for these waves were obtained by using the revised weakly non-linear theory.
本文研究了在平板层流边界层中，一个二维基本波和一对三维亚谐斜波的非线性作用，利用修正的弱非线性理论求出这些波的幅值、幅角的演化方程。 - Using DFT to calculate SNR and harmonic distortion of telemetry seismic data acquisition system, if the recording length of data is not integral multiple of sine wave's period, the energy of the fundamental wave and its harmonic will leak to the vicinity region.
在用离散傅里叶变换（DFT）计算遥测地震数据采集系统的信噪比（SNR）和谐波畸变时，如果数据记录长度为正弦波周期的非整数倍，基波及谐波的能量会泄漏到邻近频率。 - Based on the semiconductor physical behavior of GaAs Gunn device, utilizing Poisson equation and current continuous equation, the characteristic of the electromagnetic field distribution within the device is analyzed. Gunn's large signal behavior of the fundamental wave is obtained with numerical method.
根据Gunn器件GaAs材料的半导体物理特性，由载流子所满足的Poisson方程和电流连续性方程入手，分析了器件内部场分布特性，并采用数值法获得了Gunn器件的基波大信号特性。 - Fundamental Wave Analysis of Oscillation and Stability for Electronic Networks
电子网络振荡与稳定的基波分析法 - Study of Total-electronic Energy Meter Based on Fundamental Wave
全电子式基波电能表的研究 - Fundamental wave and harmonic condition can be found clearly by analyzing the distortion signal using the sub-module of harmonic analysis.
利用谐波分析子模块对畸变信号进行分析，较直观地得出基波和谐波情况。 - As the research indicates, the structural parameters of the spiral curve slow-wave systems have complicated influence on its fundamental wave dispersion characteristics and coupling impedance.
研究结果表明，螺旋线慢波系统的结构参数对它的基波色散特性和耦合阻抗影响非常复杂。 - Combine with the theoretical analysis and the request of fundamental wave, the appropriate cavity and Q-switch are chosen.
结合理论和我们下面工作的要求，选择合适的腔形及调Q方式。 - The paper analyses the electric energy dissipation of condenser, separate calculates the energy dissipation based on fundamental wave and harmonic wave, and gives the method and steps of calculation.
通过对变电站并联补偿电容器回路电能损耗进行分析，分别对电容器回路在考虑谐波影响和不考虑谐波影响下进行了损耗的理论计算，并给出计算的方法步骤。 - Wavelet transform is a powerful mathematics tools for harmonic wave. Wavelet analysis based on multiresolution analysis can decompose voltage signals or current signals to fundamental wave and higher harmonic waves.
小波变换为电力系统谐波分析提供了有力的数学工具，利用基于多分辨分析的小波分析能将电压或电流等信号分解为基波信号和高次谐波信号。 - The variation of the fundamental wave attenuation with the external bias stress and the influence of the fundamental wave amplitude on the second and third harmonics have also been observed.
我们也测量了基波衰减随外应力的变化及二次谐波、三次谐波与基波振幅的关系，对二次谐波随外应力变化的温度效应也作了研究。 - The counteracted current by going through the notch filter based on adaptive filter technique is proposed to eliminate the residual fundamental wave and its harmonic wave.
文中提出，背景电流抵消后让信号通过基于自适应滤波技术的陷波器，可去除背景中残留的基波及谐波电流的影响。 - The corresponding working methods include variable frequency method and the odd harmonic method. Variable frequency method observes the fundamental wave of the square wave, while the odd harmonic method observes both the fundamental wave and odd harmonic wave at the same time.
相应的工作方法有变频法和奇次谐波法，变频法观测方波的基波，奇次谐波法同时观测方波的基波和奇次谐波。 - The principles of the second harmonic generation in the nonlinear crystal polarized by the fundamental wave and the sum frequency generation have been studied. 3.
利用非线性光学耦合波方程，讨论了非线性晶体受基波辐射极化产生二次谐波以及和频产生的机理。 - The dissertation includes an analysis of the influence of phase modulation parameter, group velocity mismatch and the wave-length of incident wave on the waveforms of frequency doubled pulses; shows the influence of the chirp of fundamental wave on SHG conversion.
论文分析了相位调制参量，群速度失配量及入射波波长对倍频脉冲波形的影响；研究了基波啁啾对倍频转换的影响。 - This method can be accurately extracted fundamental wave of voltage and current signal, and get the phase of fundamental wave, then obtain the accurately dielectric loss Angle.
该方法可以准确提取基波电压和电流分量，得到基波电压和电流的相位，从而实现介损角的准确检测。 - The conversion efficiency of frequency doubling is proportional to the power density of fundamental wave.
而倍频的转换效率与基波的功率密度成正比。 - By measuring the far field radiation pattern and the polarization of THG signals, it was found that THG signals from the opening parallel structures radiate into angles of different diffraction orders and preserve the fundamental wave polarization state.
实验中测量了两种结构的THG远场辐射角和偏振特性后发现，开口和入射光平行的结构中的THG呈衍射级数形式，并且偏振方向和基频光一致。 - The fractal spectrum of this new model satisfies the negative power law spectrum when the spatial wave number is larger than the fundamental wave number, whereas it takes the form of the positive power law spectrum.
改进分形海面的表面轮廓谱函数在空间波数小于和大于基波波数的情况下分别满足正幂率谱和负幂率谱的形式。 - Along this line, an exact formula with two deductions for the phase velocity of a wave field in homogeneous medium has been derived from the fundamental wave equation.
所以我们深入研究了相速度，在经典波动方程的基础上，推导出一个全新的、适用于在均匀介质中传播的波的相速度表达式，并引伸出两个推论。 - One is the method of distinguishing magnetizing inrush current based on the ratio of voltage and fluxional differential current, and the other one is the method based on attenuation of fundamental wave.
第一种是基于电压与电流微分比值原理的励磁涌流鉴别方法，第二种是基于基波分量衰减的励磁涌流鉴别方法。