积分器

A programmable decimation and interpolation ratio module onnected with multistage cascade integrator comb filter is designed to implement high efficient decimator and interpolator.

将可编程抽取、插值器与多级积分梳状滤波器相配合，实现高效数字抽取和插值模块。

The digital part contains space vector pulse width modulation, simple center computer processor, proportional-integral controller and descend frequency decimator.

整体架构大致可分为数位和类比电路二大部份，数位部份可分为：空间向量脉波宽度调变器、简易中央电脑处理器、比例积分控制器、降频滤波器。

In this paper, a general method for modeling the conductive electromagnetic interference sources of pulsewidth modulation inverters is presented based on the principle of the double Fourier integral.

基于双重傅里叶积分方法研究了三相PWM 逆变器传导干扰源的建模方法。

Note unusual position of the integral 40mm grenade launcher, which is mounted above the barrel.

注意积分40毫米榴弹发射器，大大高于每桶安装寻常的地位。

Total environmental sealing to IP68 allows the inclusion of integral motor starter and control electronics.

共计环境密封 IP68允许列入积分电机起动器和控制电路。

On the basis, with model reference adaptive method, the rotating speed estimation for vector control system with no-peed sensor is studied. In addition, aiming at the problem that the reference model is easily influenced by the initial value and drift of integral in normal speed recognizer, the traditional MRAS is improved, and modeling simulation is also conducted.

在此基础上，应用模型参考自适应方法，对无速度传感器矢量控制系统的转速估计进行研究，并针对常规速度辨识器中的基准模型易受积分初值和漂移影响的问题，对传统的MRAS方法进行改进，并对其进行建模仿真。

It consists of substrates preheater, intelligent proportion-integral-derivation controller and computer serial collecting and feedback control components.

该系统由基板预热器、智能比例微分积分控制器以及计算机串口温度采集反馈控制等3部分组成。

In this paper, some problems that have to be faced with in the application of SPLL to static synchronous compensator are analyzed, and two improvements of SPLL are proposed. The first one is removing the filtering function of lead-leg element into the prepositive delayed signal cancellation element to remedy the difficulty in deciding its parameters; the second one is directly taking the post-PI regulation output of q-axis voltage as error signal of phase to call off the forward integrating element.

分析了软锁相环应用于静止同步补偿器时面临的若干问题，并提出了2方面的改进方案：一是针对超前/滞后环节参数选取困难的问题，将其滤波功能转移到前置延时信号消除环节中；二是q轴电压经PI调节的输出直接作为相位的误差信号，减少了前向积分环节。

By synchronizing the grid voltage vector with positive sequence, the improved synchronous reference frame method is very simple without the phase locked loop and calculations for sinusoidal function.

通过利用幅值积分信号的选频特性，本文提出了正序、负序基波提取器，该正序、负序基波提取器具有对电网基频偏差不敏感、适用于电压的正序和负序基波分量准确提取的优点。

Each system includes an integrating sphere, fiber-based spectrometer, near cosine receiver, power supply, and Microsoft?Windows XP?based software and NIST traceable calibrated total spectral flux lamp standard to assure NIST traceable results from 350 to 1050 nm each time.

每个系统包括一个积分球，过滤型分光计，相近余弦接受器，电源供应装置，以及支持Microsoft Windows XP的软件和受到NIST追踪校准之总光通量灯标准确保的，每次350至1050nm范围的NIST跟踪结果。

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。