积分器

The linear integral action will lead to phase delay to systems.

线性积分器在提高系统稳态精度的同时，也带来了π/2的相位滞后，恶化了控制系统的品质，时常引起系统快速性与稳定性之间不可调和的矛盾。

In the realization process, a second-order filter is used in place of pure integrator to solve the initial value problem. At the same time, a better filtering property is achieved.

在实现过程中，利用一个二阶滤波器代替纯积分器成功解决了积分初值问题，而且获得了更好的滤波特性。

For some integrators, the variable of integration may be other than time.

对某些积分器而言，积分变量可以不是时间。

This paper introduces the principle and design of a new integration cell for a long pulse integrator with ultra-low drift.

本文论述了应用在长时间无零漂积分器中的单元积分电路的原理与设计。

This dissertation has studied various architectures of Sigma-Delta modulator systematically. According to power dissipation, stability and circuit implementation, a 2-2 cascade architecture is introduced. Oversampling ratio is 32. The attenuation factors of each integrator and interstage coefficients are obtained from behavioral simulation.

本论文系统地研究了∑A调制器的各种体系结构，根据功耗、稳定性以及电路实现等方面综合考虑，∑A调制器采用级联2—2结构，过采样比为32，并通过行为级仿真确定了积分器的增益衰减因子及级间耦合系数。

A circuit for detecting the phase angle of a three-phase alternating current includes a plurality of low-pass filters, a plurality of multipliers, a subtracter, a loop filter, an integrator, and a phase delay compensator installed between the subtracter and the loop filter, for compensating for phase delay of the input signal caused by the low-pass filters.

一种检测三相交流电相位角的电路，包括：若干个低通滤波器；若干个乘法器；一个减法器；一个环路滤波器；一个积分器；和安装在减法器与环路滤波器之间的相位延迟补偿器。

After the sea trial, the control algorithm is further improved by using H〓 integral control and μ-analysis respectively to solve the problem of the adscititious integrator and the selection of weighting functions

海上试验后，为实现样机产品化，分别用H〓积分控制和μ分析对原控制算法进行了改进，以解决原控制算法外加积分器和权函数选择的问题。

A configuration which combines ILA DAC with fully floating switched capacitor is proposed for the second stage modulator of cascaded modulator to suppress the noise arisen from sampling capacitor mismatch.

本文提出了一种结合ILA DAC和前端完全浮动电容结构的电路形式，将这种结构应用在第二级调制器的积分器上，使双采样电容失配产生的噪声远小于量化噪声，从而满足了三阶调制器的性能要求。

Furthermore, the sliding integrator and fuzzy adjustor have simple configuration and are easy to be realized in DSP.

此滑动积分器及模糊调整器结构简单，容易用数字信号处理器(digital signal processor，DSP)实现。

An improved variable step-size self-adaptive harmonic detection method is proposed in this paper. The proposed method adopts a sliding integrator and then uses a fuzzy adjustor with self-adjustable factor to modify the step size, so it can obtain fast convergence speed and high steady precision at the same time.

在以往研究的基础上，提出了一种改进的变步长自适应谐波电流检测方法，它利用滑动积分器提取真正的跟踪误差，并采用带有自调整因子的模糊调整器来动态调整步长，能够保证谐波检测过程既具有较快的动态响应速度，又保持较小的稳态失调。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。