傅里叶系统并联一个适当的积分滤波器以后可以消除非周期分量对阻抗计算的影响。
A proper integral filter is designed to parallel with the Fourier system Thus the influence of DC offset on impedance calculation is cancelled.
积分时间和滤波器的量值等因素会影响仪器总的测量速度。
Certain actors such as integration period and the amount of filtering may affect overall instrument measurement speed.
采用矩阵分解的方法,从柯林斯衍射积分公式出发,对高斯光束通过失调空间滤波器的传输特性进行了分析,得到了相应的解析式。
Based on the method of matrix decomposition, and the Collins diffraction integral formulae, the propagation characteristics of a Gaussian beams passing through misaligned spatial filter are studied.
根据数值计算误差的特点分析及小波包多尺度、高分辨的特性,设计了一种基于小波包的滤波器,较好地解决了消除数值积分计算引入误差的问题。
A filter is designed based on wavelet packet according to the features of numerical integral errors and those of multiple scales and high resolving power of wavelet packet.
将可编程抽取、插值器与多级积分梳状滤波器(CIC)相配合,实现高效数字抽取和插值模块。
A programmable decimation and interpolation ratio module onnected with multistage cascade integrator comb (CIC) filter is designed to implement high efficient decimator and interpolator.
接收部分主要是扩频系统的数字下变频、积分清洗、匹配滤波器解扩、功率检测、符号跟踪、差分译码等技术。
The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator and so on.
以这些数值积分方法为数学工具,推导出了非线性估计子加权融合滤波器,本文中简称TNF。
With these numerical integration methods as mathematics tools, the new tracking algorithm, non-linear estimators weighted fusion filter, is developed, we call it TNF.
本文提出一个计算正弦积分的新公式。在不同的地质领域内使用了最佳数字滤波器。
In this paper, a new formula for calculation of sinusoidal integral is presented and the optimum numerical filter is already applied in different fields of geology.
包含位置式PID算法、积分分离式pid,多目标跟踪的粒子滤波器,包括脚本文件和函数文件形式。
It contains positional PID algorithm, integral separate PID, Multi-target tracking particle filter, Including SCR ipt files and function files in the form.
在大多数由积分器构成的宽高动态范围模拟集成滤波器的设计中,积分器的动态度范围是关键参数。
The design of high dynamic range becomes more critical in most of the design of analog integrated filter.
利用改进的磁通积分算法,克服了纯积分器直流漂移和初始值问题,消除了一阶低通滤波器的幅值和相位偏差。
The DC drift and initial problems of pure integrator were overcome, and the magnitude and the phase error of one-order low pass filter eliminated by using a novel integration method.
本文对基于单位功率因数的谐波电流检测方法进行了改进,用移动窗积分法取代检测中常用的低通滤波器。
This paper improved the harmonic current detection method based on UPF (unity power factor), using the slipped window integral to replace the LPF (low pass filter).
基于该积分器及对数压缩电路和指数扩展电路,系统地给出了高阶滤波器设计的无源网络模拟方法。
Based on this integrator, log compressing and exponential expanding circuit, a passive simulation method for higher order filters is given systematically.
该改进型积分器消除了纯积分器带来的初值不准确、直流偏移等问题,又可以获得比低通滤波器更优的性能。
The modified integrator eliminated the initial value and DC drift problems associated with the pure integrator, and achieved a better performance than lowpass filter.
研究了高倍抽取的数字下变频设计,重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
In this paper, the high decimation ratio of digital down converter is studied and the multi-stage decimation algorithm is especially analyzed based on CIC filter, CFIR filter and RRC filter.
系统采用基于矢量运算的恒频积分算法,设计三相三线并联型有源电力滤波器PAPF。
The system adopts Unified Constant-Frequency with Vector Operation, to design 3-phase 3-wire parallel active power filter(PAPF).
以AOA电流模式多路输出积分器和AOA电流模多路输出比例电路为基础,设计了多功能二阶电流模式滤波器。
Based on a current-mode integrator and proportion circuit multiple outputs by AOA, multifunctional second-order current-mode filter was proposed.
通过对传统双路径滤波器的积分支路的改进,使积分支路的可适用频率范围展宽,而低频输出噪声减小。
The integration path can work in wider frequency range and the low frequency output noise is reduced by improving the conventional integration path.
本发明揭露一种三角积分数模转换器,其包含三角积分调制器以及有限脉 冲响应滤波器。
This invention discloses a Delta-Sigma Digital to Analog Converter (DAC), comprising a Delta-Sigma modulator and a Finite Impulse Response (FIR) filter.
基于双线性变换采用开关电流积分器综合实现低通滤波器,解决了时域法小波变换实用电路集成化的关键问题。
Si low pass filter is synthesized with si integrators based on bilinear transform. Thus, it provides a solution to manufacture integrated chip of time-domain CWT.
分析了级联积分梳状(CIC)滤波器的结构,证明其可以高效地胜任抽取滤波的任务。
The structure of Cascaded Integrator Comb (CIC) filter is discussed. CIC filter can efficiently perform the task of both decimating and filtering.
在系统发生故障时,比例积分强跟踪滤波器不仅能够快速检测、定位故障,而且还能估计出故障的大小。
When faults arise in the control systems, PI Strong Tracking filter can detect, locate and estimate the faults at the same time.
最后在考虑实际因素的基础上,依次设计了时钟产生电路、前置滤波器、带隙基准源、开关电容积分器、锁存比较器和DAC等子模块电路并做了仿真。
The factors which will be encountered are descried and modules include anti-aliasing filter, clock circuit, band gap voltage reference, sc integrator, latched comparator and DAC are designed.
为了提高系统的稳定性,抑制滤波器的谐振,在双闭环控制的基础上提出了一种基于虚拟电阻思想的控制策略。通过对滤波电容电流的积分处理,改变了系统传递函数的极点,确保了系统的稳定运行。
To suppress resonance of LCL filter and improve stability of system, it is pre - sent that a voltage and current double loops control strategy based on virtual resistor concept.
为了提高系统的稳定性,抑制滤波器的谐振,在双闭环控制的基础上提出了一种基于虚拟电阻思想的控制策略。通过对滤波电容电流的积分处理,改变了系统传递函数的极点,确保了系统的稳定运行。
To suppress resonance of LCL filter and improve stability of system, it is pre - sent that a voltage and current double loops control strategy based on virtual resistor concept.
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