本文给出一些充分条件，使振荡函数的含参量积分保持振荡性。
In this paler we give some sufficient conditions, such that integrals of oscillatory functions with a parameter remaining oscillatory.
阻尼：物理学中，指因能量耗散使振荡、噪音、交流电之类的振动所受到的遏制。
Damping: in physics, the restraint of vibratory motion, such as mechanical oscillations, noise, and alternating electric currents, by dissipating energy.
为了使振荡频率稳定并降低谐波失真，需要加入一个在震荡频率处能够提供单位增益的负反馈路径。
Additional negative feedback is provided to set loop gain to unity at the oscillation frequency, to stabilize the frequency of oscillation, and to reduce harmonic distortion.
不仅使理论计算得到的振荡曲线与实验曲线相似，而且使振荡周期的计算值与实验测量值取得一致。
Both of the oscillating curve and the period calculated from this model are consistent with the experimental values.
中微子振荡的复杂程度使人们认为有可能中微子振荡与其反粒子(即反中微子)是不同的。
This level of complexity opens the possibility that the oscillations of neutrinos and their anti-particles (called anti-neutrinos) could be different.
量子比特和存储器之间通过为我们称为共振器件的设备连接，振荡电路使量子比特的值能够保存一段短的时间。
The links between the qubits and the memory contain devices known as resonators, zigzagging circuits inside which a qubit's value can live on for a short time.
视觉皮层神经元之间存在的局部兴奋全局抑制机制能够使神经元根据接受到的视觉信息产生相应的振荡活动。
Through the mechanism called locally excitatory globally inhibitory existing among the visual cortical neurons neurons can oscillate in terms of visual information.
使低相噪vco的设计及调试能免于低频振荡的干扰，从而有利于提高VCO的各项指标。
This makes design and producing VCOs can avoid the disturbing of low frequency oscillation, and improve the features of VCOs.
振荡压路机作为一种全新的路面压实机械，它利用在压实材料中产生快速交变剪应力机理使材料的颗粒重新排列而变得密实。
As a new compactor, oscillatory roller makes rearrangement of material particles in a dense way with a mechanism of rapidly alternating shear stresses.
虽然串联喷嘴阻力损失的增加，使射流平均能量有所降低，但射流的瞬时能量得到了调制，激励出更大的流体振荡。
Although the resistance force increase of series nozzles makes the average energy of jet flow decreased but it lets the instantaneous energy modulated to impel more fluid resonances.
由于对流为主的弥散方程具有双曲性质，中心差分格式虽然关于空间步长具有二阶精度，但会产生数值弥散和非物理力学特性的数值振荡，使数值模拟失真。
Due to the hyperbolic properties of convection-dominate dispersion equations, the central difference formula often cause numerical dispersion and oscillation even it has two-order precision in space.
通过选择合适的控制增益，即可在系统的其它部分仍存在振荡的情况下，可以消除谐波干扰，使系统的输出趋于收敛，达到稳定。
By properly choosing the control gains, the output tends to a standstill while the other parts of the system oscillate in such a way as to counteract the harmonic disturbance.
需要合理选择滤波器电阻使之既能具有较小的功耗同时使放电振荡较小。
Therefore, it is significant to design the filter, with low power loss and great inhibiting oscillation effect.
这些方法大都能有效地压制由于观测误差或高频干扰所引起的振荡，使下延结果趋于稳定。
These methods can effectively restrict the oscillations due to the measuring errors or the high frequency disturbances. The trend of downward continuation is stable.
在系统发生功率振荡时，通过改变转子励磁电压的相角调节双馈变速风电机组输出与振荡相关的阻尼功率，达到使风电场能够改善系统阻尼的目的。
During the power oscillation of a power system, a damping active power is injected into the network from the DFIG machine via regulating the rotor excitation voltage Angle.
理论分析还指出，由于存在与泵浦强度有关的衰减系数，使参量振荡信号强度与泵浦强度呈多值关系。
The analysis also shows that the intensity of parametric oscillation is a multi-valued function of the pum…
在显微物镜的成象光路中，增加一块振荡反射镜，使被测线宽的放大象相对窄缝扫描，将光学边界信息转变为梯形电脉冲。
Bying adding an oscillator mirror in the imaging path, thus the enlarged image will be scanned by the narrower slit, and the optical boundary information is converted into gradient electrical pulse.
边界条件对耦合效应有较大的影响，较强的边界条件使椭圆板热弹耦合自由振动的频率变低，但振荡幅度增大。
The boundary conditions has strong influence on the coupling effect, the stronger it is, the smaller frequency of free vibration is but the larger amplitude is.
该方法能有效地消除人为的振荡现象，使消噪后的信号更加光滑，更好地逼近真实信号。
This method can suppress the artifacts effectively so that de_noised signal is more smooth and has better approximation to original signal.
电阻r 3允许IC 1来驱动电容负载，使C1不会进入振荡状态。
Resistor R3 allows IC1 to drive the capacitive load that C1 presents without going into oscillation.
作动器速率饱和会产生附加的时间延迟，使系统稳定性大大降低， 并增加了驾驶员诱发振荡（PIO） 的趋势。
When actuators are saturated, the additional time delay would occur, which drastically reduces the stability margins of the closed loop and increasest her isk of pilot-induced oscillations (PIO) .
视觉皮层神经元之间存在的局部兴奋全局抑制机制能够使神经元根据接受到的视觉信息产生相应的振荡活动。
Through the mechanism called locally excitatory globally inhibitory existing among the visual cortical neurons, neurons can oscillate in terms of visual information.
两年周期的太平洋海温振荡使日食与厄尔尼诺之间存在12 ~ 24个月的位相差。
Biennial oscillation of the temperature in Pacific Ocean caused the 12 months24 months difference of phase between solar eclipse and El Nino.
为了使砷化镓场效应管具有建立振荡所需的负阻，我们将其配置为共源结构并在漏极添加合适的开路微带线。
In order to make the GaAs FET having the required negative resonator to oscillator, we use the common source configuration and add the appropriate drain open stub microwave line.
火电厂炉膛负压控制系统中有时含死区类的强非线性环节，死区使该控制回路产生振荡，仅用常规pid控制器无法克服这一现象。
Sometimes the negative pressure control system of boiler in power plant contains a strong nonlinear sector such as dead-zone which makes the system oscillate.
火电厂炉膛负压控制系统中有时含死区类的强非线性环节，死区使该控制回路产生振荡，仅用常规pid控制器无法克服这一现象。
Sometimes the negative pressure control system of boiler in power plant contains a strong nonlinear sector such as dead-zone which makes the system oscillate.
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