抑制器

According to this method,four different 11-step algorithms with four different window functions which are rectangular window,triangle window,hanning window,and blackman window are designed. Analysis and simulation show that hanning window and blackman window with small lobes are less sensitive to errors. Seven different algorithms with the same phase shifting interval π/2 are designed by hanning window function,whose phase shifting steps are separately 5,11,15,39,51,76 and 101 steps.

选择矩形窗、三角窗、hanning窗和blackman窗生成4种11步移相算法，对振动误差和相移误差的分析验证了旁瓣小的hanning窗和blackman窗生成的算法对误差的灵敏度要小；再选择hanning窗生成了移相间距为π/2的5，11，15，39，51，76和101步7种移相算法，仿真验证了步数越多主瓣越小，对振动抑制能力越好，但需要更高的微位移器移动精度来获得有效的干涉条纹。

Theoretical analyses show that the BRF has the maximum tuning rate when the optic axis is located on the cone with its symmetric axis being on the refracted ray and apex of 45°; and the rejection of unwanted wavelength of BRF becomes the maximum when the optic axis is in the plane which contains the refracted ray and makes the angle of 45° or 135° with respect to the incident plane.

分析表明当晶片光轴处在以折射光线为轴线、顶角为45°的圆锥面上时，双折射调谐器具有最快的波长调谐速率；当光轴位于过折射光线并与入射面成45°或135°的平面内时，调谐器抑制非所需波长的能力最强。

A dual T network forms a rejecter to suppress the disturbance of the industrial 50Hz frequency.

并且采用双T网络构成的陷波器，对50Hz的工频干扰进行抑制。

In this paper the retortion piezoelectric actuators were used to control vibration with the optimal initiative and PIE control method in a single-Link FRM system.

本文提出了用扭转压电振子作为主动抑振的动力源，以代替传统的用关节电机抑振的不足，为此研制了压电式主动关节抑振器，建立了单连杆柔性机械臂实验系统，采用振动抑制最有效的主动控制技术和PID控制算法实施系统的抑振。

A new strategies for restraining harmonics are presented in the paper, the methods adopt the right carrier frequency and the sine wave superimposed a proper three-time harmonics to make it saddle-shaped wave, produce SPWM waveform to control the inverter switching devices for the on and off .

并提出了一种新的易于工程实现的谐波抑制策略，该方法通过正确选择载波频率和在正弦调制波上叠加一个三次波使之成为鞍形波，产生相应的SPWM波形来控制逆变器开关器件的通断从而改善输出波形。

The paper proposes a method which uses iteration learning control theory to design correction signal to self servo-writing loop. And the correction process can be used to conditions which precision model of plant can\'t be got. The convergence of iteration process can be proved by theory and experiments.

研究发现，自伺服刻写径向误差消除的过程很类似于迭代控制过程，提出用迭代学习控制算法设计自伺服刻写环路的校正信号，并从理论上证明该校正过程能够很好适应无法获取精确致动器模型的情况，证明了迭代过程的收敛性，实验证明径向误差得到较好抑制。

This paper describes the design of a frequency shifter to suppress acoustic feedback, to be studied by the experimental method.

本文叙述抑制声反馈的频移器的设计，并进行了实验研究。

This pulse also helps "train" the base-band coupling capacitor in the ASH radio for best data slicer noise rejection.

这也有助于脉搏"一条龙"在灰无线电基带耦合电容器最佳的数据限幅器的噪声抑制。

Experimental results demonstrate that the proposed snubber circuit is very effective for large capacity two-level GTO inverters.

给出的关断试验结果证明了抑制过电压措施的必要性及正确性，并证明了所设计的吸收电路完全满足大功率两电平GTO逆变器装置的使用要求。

Evidence that this represented FGF receptor-mediated signaling rather than a nonspecific effect of exogenous FGF was indicated by the ability of sodium chlorate to inhibit FGF-mediated cardiogenesis.

发信号的这代表的FGF 停止接受器而非外生的FGF 的不明确的作用被钠氯酸盐的能力显示抑制停止FGF cardiogenesis 的证据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。