1) self-excited system
自激系统
1.
For the wind tunnel model,the coupling factors of buffeting are as follows:vortex of nozzle excites the helmholtz resonation of plenum and is coupled with the acoustic modal of full circuit,and the self-excited system,is resonated by the vortex of nozzle and the feedback of collector.
对于本模型风洞来讲,产生低频颤振的耦合因素主要是:喷口剪切层涡流激发了驻室Helmholtz共振;喷口剪切层涡流频率与全回路声学模态发生耦合;涡流剪切层及其收集口尖劈反馈共振,构成气流自激系统。
2) Non-Selfexcitation
非自激系统
3) laser collimation system
激光自准直系统
1.
In order to improve the measuring and tracking precision of photoelectric theodolite,a set of CCD laser collimation system is used for measuring the deformation of the platform in real time.
为了提高经纬仪的测量和跟踪精度,采用了一种CCD激光自准直系统对光电经纬仪车载平台变形进行实时测量;对测量系统的精度进行了分析,其精度很大程度上取决于CCD图像传感器输出信号的精度;研究了影响CCD精度的各种因素,并对CCD图像进行消噪处理,结果表明CCD图像的质量明显提高,从而提高了CCD激光自准直系统的测量精度。
4) self-excitation system
自并激励磁系统
1.
excitation system, the advantage and disadvantage of self-excitation system are analyzed in this paper and practical example in Fengtan Hydraulic Power Plant is given to analyze problems that should be noticed in the application of self-excitation system.
通过分析自并激励磁系统相对于三机励磁系统的优缺点,并结合凤滩电厂的应用实例,提出自并激励磁系统应用中应注意的问题。
6) laser automation monitoring system
激光自动化监测系统
1.
The application of the former laser automation monitoring system of the Tongjiezi Hydropower Station and existing problems are introduced,and the necessity of reform of the system is enunciated.
介绍了原铜街子大坝廊道激光自动化监测系统的应用状况及存在的问题,阐明了实施自动化监测系统改造的必要性。
补充资料：非自衡的非振荡过程
分子式：
CAS号：
性质： 有些过程在输入阶跃作用下，被控变量会一直上升或下降，直到极限值。
CAS号：
性质： 有些过程在输入阶跃作用下，被控变量会一直上升或下降，直到极限值。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条