This paper introduces the design concept of double closed-loop ratio control system as well as the design and the application about acetylene with hydrochloride in chloroethylene synthesis unit.
介绍了双闭环比值控制系统的设计思路以及在氯乙烯合成装置中乙炔和氯化氢比值控制系统的设计和应用，以及在设计比值控制系统时所应注意的有关事项。
Vehicles spend a period of time in an Open Loop air-fuel ratio programming until the oxygen sensors heat up to proper operating temperature of approximately 316 degrees Celsius.
汽车需要在开环空燃比程序上花费一段时间以达到氧传感器的工作温度大约为316摄氏度。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
There is an optimal loop gain to maximize the signal to noise ratio.
反馈环路存在着最佳增益使信噪比达到最大。
The three closed loop strategy with slip ratio loop as the outer one, pressure loop as the middle one and current loop as the inner one is used.
系统采用以滑移率环为外环、压力环为中间环和电流环为内环的三闭环控制策略。
This software can accomplish the configuration, debugging and building of single-loop control system, series control system, ratio control system, and can upload strategy files to other controllers.
该软件能实现单回路控制系统、串级控制系统、比值控制系统的组态、调试和生成，并能进行策略文件的下装。
Different closed loop poles are selected according to the damping ratio and dead time, and simple formulas are provided for the calculation.
按照阻尼比和模型的延迟时间选择不同的闭环极点，并且为计算提供了简单的公式。
The voltage ratio is derived and the system closed-loop control is realized with PI regulator.
从理论上推导了电压传输比，采用PI调节器实现了系统的闭环控制。
This system can not only finish single loop control, but also can implement complex control schemes such as cascade and ratio etc.
该系统不但可以实现单回路控制，还可以完成串级、比值等复杂控制方案。
This paper discusses the despread of low signal to noise ratio of the direct sequence (DS) spread spectrum signals using intermediate-frequency recirculation summation loop (IFRSL).
本文讨论了用中频积累法实现低信噪比直接序列扩频信号的解扩。
The water-curtain controlled cooling process after rolling steel plate in Shougang Group is analyzed, then a double closed-loop fuzzy control scheme for flow ratio is proposed.
分析了首钢中厚板轧后处理中的水幕控冷工艺过程，提出了一种双闭环流量比值模糊控制系统方案。
To maintain the constant average optical power and extiction ratio, the temperature compensation loop and automatic power control loop are incorporated in this chip.
为了保持工作中的稳定平均输出功率和恒定消光比，采用了温度补偿电路和自动功率控制电路。
When the open-loop gain of servo system is determined, the selection of DAC resolution and gear ratio is restricted each other and should be paid much attention in the design of servo system.
由于DAC和齿轮减速比都影响着伺服系统的开环增益，当系统开环增益一定时，DAC位数的实际作用和减速比的选择相互限制，在设计雷达伺服系统中需注意。
The loop vehicle detector has the advantages of stability, high performance-price ratio, and good adaptation, which has been widely used in the market.
环形线圈车辆检测器具有性能稳定，性价比高，适应性强等优点，市场应用最为广泛。
Finally it is proved that the closed-loop transmission scheme can improve the receiving the energy and the interference ratio and increase the forward-link capacity of the system.
最后证明了采用闭环发送分集方案，可以大大改善接收能干比，提高系统的前向容量。
A new Measuring and controlling system of moisture ratio in molding sand based on two level closed loop control is presented, and setting method of temperature compensation factor is described.
提出了一种基于两级闭环控制的新型型砂水分控制系统，阐述了温度补偿系数的设定方法。
Fiber polarization controller and polarization-maintaining optical circulator with high extinction ratio were incorporated in the loop cavity to acquire single polarization output.
在环形腔内加入光纤偏振控制器和具有高消光比的保偏环行器获得单偏振光。
Through close loop control by an oxygen sensor, the actual air-fuel ratio is controlled to the ideal air-fuel ratio and the exhaust emission is reduced by a three unique catalytic converter.
利用氧传感器实现闭环控制，将实际空燃比控制在理论空燃比附近，从而通过三元催化剂控制排放。
It is used in flexible and amplitude loop in the hydraulic mobile crane, especially suitable in the case of heavy area ratio between non-pole cavity and pole one.
用于液压汽车起重机变幅与伸缩油缸回路，特别适用油缸两腔面积比较大的场合。
Providing a rapid development platform for the development of engine hardware-in-the-loop simulation system and electronic control system with high cost-performance ratio.
为发动机硬件在环仿真和电控系统等的开发提供了一个高性价比的实时快速开发平台。
The size of transmitter loop is mainly for strength of signal to satisfy reviver sensitivity and signal to noise ratio.
发射回线的尺寸主要是使信号具有一定的强度，以满足接收机灵敏度和信噪比的要求。
The size of transmitter loop is mainly for strength of signal to satisfy reviver sensitivity and signal to noise ratio.
发射回线的尺寸主要是使信号具有一定的强度，以满足接收机灵敏度和信噪比的要求。
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