英语释义

1. a component of a periodic wave having a frequency that is an integral submultiple of the fundamental frequency
the subharmonic having half the fundamental frequency is the second subharmonic — compare harmonic

片语

subharmonic orbits同宿轨道

subharmonic resonances次谐波共振

subharmonic forcing亚谐波扰动

subharmonic oscillator[电子]

subharmonic vibration分频振动

subharmonic generation分谐波发生

subharmonic generator[电子]

subharmonic vibrations次谐波振动

subharmonic bifurcations次谐分叉

英汉例句

• in this paper, secondary instability of subharmonic disturbances in free mixing -layer is studied with spatial mode.

  用空间模式讨论了自由混合层三维亚谐扰动的二次稳定性。

• the parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.

  研究由桥面振动引起的斜拉索参数共振和亚谐波共振问题。

• in this paper, a formula of approximate analytic solution of subharmonic resonant overvoltage is established according to the theory of region analysis.

  本文以区域分析理论为工具，提出分次谐波共振过电压的一个近似解析公式。

• the second case is 1/2 subharmonic resonance-principal parametric resonance and 1:1 internal resonance.

  第二种共振情况是1／2亚谐共振-主参数共振和1：1内共振的情形；

• by applying the method of multiple scales to the reduced system, the first approximation solution for 1/3 subharmonic resonance of the system is obtained.

  应用非线性振动的多尺度法求得系统满足1/3次亚谐共振情况时的一次近似解，并进行数值计算。

• the modified lindstedt-poincaé method(mlp) is used t analyze strongly nonlinear vibration of beams. attention is focused on the superhamonic and subharmonic resonances.

  本文采用改进的l-p法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。

• besides main resonance, the subharmonic resonance in the system is detected, and a set of periodic solution of main and 1/3 & 1/5 su.

  发现了亚谐振动，并给出了系统在满足周期解条件下的一组参数对应的主振动、1 / 3亚谐振动和1 / 5亚谐振动。

• moreover, the multiscale method was used to study the main, ultraharmonic and subharmonic resonances of nonlinear rolling in waves, and the approximate solutions of the three resonances were given.

  再次，利用多尺度法分析船舶在波浪中接近主共振、亚谐共振和超谐共振时的非线性横摇运动，并给出三种共振的近似解。

• in this paper, a quadruple subharmonic mixer used in holographic imaging system at w band is designed.

  本文设计了一个应用在全息成像系统中的w波段的微带四次谐波混频器。

• the bepcⅱ future pre-injector consists of a thermionic gun followed by two subharmonic bunchers (shb), a travelling wave prebuncher and a travelling wave buncher.

  未来的预注入器由热阴极电子枪、两个次谐波聚束器（shb）、行波预聚束器以及行波聚束器组成。

• in this paper, the design of a subharmonic sampling phase-locked oscillator is presented.

  现介绍了一种低相位噪声锁相振蕩源，以分谐波采样式鑒相取代传统的分频式鑒相。

• the subharmonic motions, stabilities and bifurcation problems for a simplified model of shaker are considered.

  本文考虑一类振动落砂机简化力学模型的次谐运动、稳定性与分叉问题。

• in this paper 1/2 subharmonic resonance and bifurcation in a rotating shaft with an unsymmetrical stiffness are studied.

  研究具有非轴对称刚度转轴的1／2亚谐共振和分岔。

• so not only super-harmonic, also subharmonic and stochastical oscillation will appear.

  因而，系统不但出现高次谐波，而且还将出现亚谐波及。

• a process which is coupled to the narrow band of brain temperature could allow all normal human brains to be affected by a subharmonic whose frequency range at about 10 hz would only vary by 0. 1 hz.

  加在大脑温度窄带上的一个处理能够允许所有正常的人类大脑被谐波范围在大约10赫兹正负0.1赫兹的次谐波所影响。

• the crystal resonator. a subharmonic of the frequency of quartz crystal. extremely effective for charging and clearing quartz crystals. activates aspects of the auric field.

  「水晶共振」次谐波频率的石英水晶。非常有效去充电和清除石英水晶。启动有关灵光场。

• the subharmonic resonance of the cracked rotor was analyzed.

  分析了裂纹转子的亚谐波共振特性；

• the excessive and tedious mathematical deduction involved in an approximate analytical methods for 1/3 subharmonic ferroresonance makes many technicians to shrink back.

  研究1/3次分频铁磁谐振的近似解析方法常因涉及过多的繁琐数学推导而使众多技术人员望而生畏。

• it is found that the secondary subharmonic wave of the compressible boundary layer share a lot of feature with the incompressible case.

  结果表明，可压缩边界层在较宽的波数带内存在亚谐不稳定性，其特性与不可压缩边界层相似；

• in order to analyze the nonlinear characteristic presented in the subharmonic load pull experiment theoretically, a class a mesfet power amplifier is researched on in this paper.

  为了从理论上解释副谐波负载牵引实验中的各种非线性现象，对一个a类mesfet功放进行了研究。

• the expression of the optimal subharmonic load is also given with the analysis.

  并推导出了最优副谐波负载的表达式。

• parametric vibration of an axially moving, elastic, tensioned beam with pulsating speed was investigated in the vicinity of subharmonic and combination resonance.

  研究速度变化的轴向运动粘弹性梁在亚谐波共振及组合共振范围内的参数振动。

• 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.

  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。

• the asymptotical stability of the subharmonic resonances and the sensitivity of the amplitude responses to the variation of damping coefficient were examined.

  考察了亚谐响应幅值系数对阻尼的敏感性及亚谐振动谐波成分的渐近稳态性。

• the subharmonic vibration, however, caused by the series connection of equivalent capacity inside cvt with the reactor may lead to over-voltage which might damage cvt.

  但是cvt内部等值电容与电抗串联可能产生次谐波谐振，引起过电压，会使cvt损坏。

• the principal, ultraharmonic and subharmonic resonance of an elastic rotation shat with twin sides by a harmonic force is discussed, in this paper.

  本文研究在简谐激励力作用下二端面弹性转轴相对转动的主共振、超谐波共振和亚谐波共振。