抑制器

The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

本发明包括：泵浦信号光发生系统、载波抑制光双边带产生系统，硅基环形谐振腔系统，以及测量系统。所述硅基环形谐振腔系统包括一个光耦合器和一个硅基环形谐振腔，光耦合器的输出连接到硅基环形谐振腔的输入端口，其中：硅基环形谐振腔由一个硅基微环和一根直波导构成，硅基微环和一根直波导之间的空气隙间隔为几十至几百纳米，硅基环形谐振腔频谱特征是周期性的带阻滤波特性，在谐振波长处的透射率等于0或非常接近0。

The results show that more modalities can be excited from asymmetric system and that there is little difference between the power flow spectra of rigid raft system and flexible raft system in middle and low bands of frequency, but there is considerable difference at high frequency.

研究结果表明，非对称系统能激励出更多的模态；在中低频段弹性浮筏系统和刚性浮筏系统的功率谱没有很大的区别，但是在高频段差别则很明显，浮筏的弹性模态起着主要作用；减小隔振器的刚度并适当增加隔振器阻尼不仅可以降低传递到基础的功率谱，同时还可以抑制共振减小冲击。

These problems include a the results ob-tained from the analysis of the "loss-lock" threshold of the phase-locked loop by themethod of statistical linearization, b static and dynamic errors of the phase-locked dis-criminator, c the effect of carrier suppression filter upon the closed loop response.

本文讨论了锁相式遥测副载波鉴频器设计中的一些实际问题，包括有：a用统计线性化方法来分析失锁的临界抗扰极限的结果；b锁相式鉴频器的静态误差和动态误差，c载波抑制滤波器对闭路响应特性的影响等。

In this paper, their character of common topology and control method will be introduced. Finally, the Common-Mode Voltage being restrained and Power being balanced of cascaded inverter are researched.

本文详细介绍了目前级联多电平变换器常用拓扑结构、控制方法及它们的特点，最后就级联逆变器的功率平衡及共模电压抑制等问题进行了简要分析探讨。

This paper introduced the de- sign of a mixer,which had the functions of low voltage(3 V)supplied,low power loss mixer,low noise figure, high gain compression and well structured image rejecter,and it solved the problem of intermodulation distortion .

本文详细介绍了混频器的设计，该混频器实现了低电压3 V、低功耗、高1 dB压缩点、低噪声系数以及很强镜像抑制机制的功能，并解决了交调失真的问题。

Objective To investigate the existence of the erythropoiesis inhibitors and the different effects of high-flux dialyzer and low-flux dialyzer on the clearance of EI.And to observe the effects of uremic patients sera and the ultrafiltrate from F80 and F6 dialyzer on CFU-E and BFU-E colony groewth of normal mice bone marrow.

目的 本文采用甲基纤维素细胞培养的方法，分析尿毒症患者血清及超滤液对小鼠骨髓红系造血祖细胞集落形成的影响，初步探讨红细胞生成抑制因子的存在、其相对分子质量大小及高通量透析器与普通低通量透析器对其清除的不同影响。

This will increase the frequency of the inverter. The output of the hysteresis band is changed to be anisomerous and some available results are given by emulating.

本文在分析这种波动产生原因的基础上，提出对滞环比较器进行不对称上下限的设置以抑制转矩较大的波动和降低逆变器的开关频率。

The book-model distribution actuator is superior for it can generate greater acting force in lower driver voltage. The actuator is integrated with a constrained damping layer that provides an active-passive hydrid control for suppressing the vibration of thin-wall structures.

研究结果表明，书本式分布作动器是一种能在较低驱动电压下产生较大作动力的作动器，它和约束阻尼层结合构成的可控约束阻尼层主被动一体化控制技术对于薄壁结构振动的抑制效果显著，有着较好的工程应用前景。

During the treatment of skeletal Class ill malocclusion in mixed dentition, the reverse Twinblock could procline the upper incisor, accelerated the development of maxillary and mandibular ramus, and restrained the development of mandibular body. A randomly allocated prospective study was required to fully evaluate the bone efficacy of this appliance.

反向Twinblock矫治器可使上切牙唇倾、位置前移；在治疗期间能促进上颌骨的发育，抑制下颌体的发育，促进下颌升支的增高；反向Twinblock矫治器的对上下颌骨的长期作用有待进一步研究。

Then the circumfluence R.M.S. compensation method is certified as the circumfluence suppressing scheme after the analysis of the current-averaging and circumfluence suppressing theory.Results of the algorithm validation for this parallel control scheme are also included.

此后建立了逆变器并联系统的数学模型，在对该系统分析负载电流均分原理和环流抑制原理的基础上，确立将环流有效值补偿波形调制比作为环流抑制策略，对该并联控制策略给出了算法验证结果。

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。