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A common low-cost, internally frequency-compensated op amp is chosen; it has the required bandwidth at a closed-loop gain of 10, and it would seem to meet the bill.

选择一个普通的带有内部频率补偿的低价运放，它在闭环增益为10时具有所要求的带宽，并且看起来满足了价格要求。

The control law makes the system closed-loop stable, and the gain of the system for the disturbance input will be limited under a scheduled upper- bound.

该控制律使系统闭环稳定，且系统对扰动输入的增益不超过某一人为设定的上界。

The circuit has an excellent high-frequency power amplifier of the dual-L T1886, even though high in the configuration of the closed-loop gain network also able to maintain low distortion.

该 电路采用具有优良高频的双功率放大器L T1886 ，即使在配置高电平的闭环增益网络后也能保持较低的失真。

A simplified nonlinear robust control algorithm is presented, which connects the exact feedback linearization with the closed-loop gain shaping algorithm.

将简化的精确反馈线性化法与闭环增益成形算法相结合，设计其非线性鲁棒控制器，增加了信息的传递量，在提高系统鲁棒性能的基础上，使该算法成为实际工程上可用的算法。

In practice, the signal is amplified by the op amp's closed-loop gain while the common-mode voltage receives only unity gain.

然而，共模电压依然出现在输出端并且它的存在降低了放大器的有效输出范围。

It is of instructive significance to the design of robust controller when the closed-loop gain shaping algorithm is used to decide the magnitude of the model perturbation.

为了给出闭环增益成形算法的模型摄动形式，用小增益理论和H 混合灵敏度算法的结果进行推导，发现闭环增益成形算法的模型摄动形式与灵敏度函数的形式相同，该结论对用闭环增益成形算法设计鲁棒控制器时系统所能忍受的模型摄动大小的确定具有指导意义。

In addition,under some growth conditions on the nonlinear functions involved in the system,it is shown that the designed controller can be that the closed-loop system achieve finite gain L2 stabilizability.Accordingly,an estimate of the finite gain is obtained.

另外，针对哈密顿系统中的非线性函数提出进一步的演变条件，利用相同的反馈律使得闭环系统达到有限增益L2镇定，同时获得有限增益的估计值。

For a nonlinear course keeping system for ships, a kind of nonlinear robust PID is presented, which is based on an exact feedback linearization and a closed-loop gain shaping algorithm. The nonlinear PID controller is constituted of a nonlinear items with a robust PID controller.

针对非线性船舶航向保持系统，给出一种基于精确反馈线性化和闭环增益成形算法的非线性鲁棒PID控制器，该非线性PID控制器由非线性函数项和鲁棒PID控制器组成。

In the new expressions, the definition of fundamental magnifying factor for the 4 kinds of circuits is the same. They are easy to solve A in calculation, without considering the loading effect of feedback network any longer, and an unidirectional conversion can be made; meantime, they can directly describe the effect of every circuit component parameter on closed-loop voltage gain.

新关系式中4种电路基本放大倍数的定义相同，容易计算，不再需要考虑反馈网络的负载作用，而做单向化变换，并能直观描述各电路元件参数对闭环增益A的影响。

Another nonlinear robust PID controller is wholly based on closed-loop gain shaping algorithm, which includes a nonlinear switching component with a timer. The algorithms improve the robustness of the system and simplify the design of controller, the simulation results show that the course-keeping performance is improved well.

另外，还给出一种完全基于闭环增益成形算法的非线性鲁棒PID控制器，其包含了具有定时功能的开关元件，两种非线性PID控制器在提高系统鲁棒性能的基础上，简化了控制器设计，从仿真结果可以看出，航向保持效果良好。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。