loop n. 1.(用线、带等打成的)圈,环,匝,框,环孔,线圈;【医学】(常 the loop)宫内避孕环。 2.环状物,塔环,拎环。 3.(铁路上的)让车道,环道。 4.【无线电】回路,回线,波腹,环形天线。 5.【数学】自变;【计算机】循环;(程序中)一群指令的重复。 6.【航空】翻圈飞行,翻筋斗;【溜冰】(单脚)打圈儿。 7.〔美国〕闹市区;〔the L-〕 芝加哥的商业区。 a safety loop保险圈。 a wire loop钢丝套圈。 knock [throw] for a loop 〔美俚〕 1. 使神志不清;打昏,使醉倒。 2. 给人极好的印象。 3. 出色地通过[做成]。 on the loop 〔美国〕在匆匆旅行中。 out of the loop 在圈内人物之外的,不在…圈子内的。 vt. 1.使(绳等)成圈,打成圈;【电学】 把导线连成回路。 2.用圈围住;(用环)箍住。 (up back). 3.使作成环状运动;【航空】翻筋斗。 vi. 1.打环,成圈。 2.【航空】翻筋斗。 3.(像尺蠖似的)伸屈前进。 loop the loop 【航空】翻筋斗;(骑自行车等)兜圈子。
Used in hi - fi per - amplifiers and tv oscillation loop circuits 适用于高保真前置放大及电视振荡回路。
Closed loop circuit 闭环电路
Based on the fault tree analysis ( fta ) , the main loop circuit of electrical life - test device is studied and its corresponding fault tree constructed 在故障树分析理论的基础上,对电寿命试验设备的主回路进行了分析,并建立相应的故障树。
The method is to judge whether a system is stable by analyzing the amplification of loop circuit based on amplitude frequency response and phase frequency or not 这种方法是将电路的幅频特性和相频特性曲线结合起来对环路增益进行分析,以此作为判断系统是否稳定的依据。
This paper suggests that there is another better way to judge whether a system is stable or not - that is analyzing the amplification of loop circuit with the nyquist rule 由于激励信号是复数形式的变化量,因此我们还可以采用奈奎斯特准则,利用奈奎斯特图在复平面上的变化特点,对环路增益进行分析。
And the new circuit structure for improving the locking range , that is , injection - locked phase - locked loop circuit ( ilpll ) is introduced into the millimeter wave circuit 在此基础上,结合注入锁定和环路锁相原理,在毫米波频率源中引入了一种新型的展宽带宽的电路结构环路注入锁定锁相电路( ilpll ) 。
It is shown that closed loop circuit feedback control and open loop control are separated during the zero - power start up process . the self - starting of the medium frequency converter is achieved 论文分析了通过plc对感应加热进行闭环控制的控制策略,并采用了闭环开环分离的方法,解决零电压启动问题。
The thesis will emphasize the design of loop circuits which comprise pfd , cp , lp and vco in chap3 - 5 , and the analysis of loop performance is also very important 在整个设计过程中,作者针对当前集成电路的低功耗设计趋势,采用了多种低压电路结构,使得环路可以稳定的工作在各种采用电池供电的便携式系统中。
Lastly , we arrive a conclusion on test condition of relay ' s electrical life - test device when simulating motor load . this kind of test condition includes the voltage across relay ' s contacts and current through its loop circuit 最后总结得出继电器电寿命试验设备模拟电动机负载时的试验条件,其中包括继电器的触点电压和回路电流条件。
In order to let students deeply realize servo construction of servo system and debugging of close loop and half close ioop system , design and make pulse comparing position loop circuit and numerical value comparing position loop circuit 为了让同学们更深了解伺服系统的构成以及闭环和半闭环系统的调试,设计和制作了脉冲比较型和数值比较型两种位置控制器。