General single phase filter, low price, easy to install.
常规通用单相滤波器,价格优惠,安装简单;
This paper introduce the principle and design of an zero-phase filter.
本文介绍零相移滤波器的工作原理及实现方法。
The All phase Digital filter (APDF) is a new type of linear phase filter.
全相位数字滤波器(APDF)是一种新型的线性相位滤波器。
The linear and the minimum phase filters are two kinds of filter equipments used in the digital seismic observation.
线性相位滤波和最小相位滤波是数字地震观测中经常都要遇到的两类滤波器。
New parameters (t, w) are used to determine the superresolution region of three zones annular binary phase filter through numerical simulations.
通过数值模拟,使用新的参数t, w讨论确定了三区二元相位型光瞳滤波器的超分辨区域。
This aberration may cause the degradation of the image of sample. We design a continuous phase filter and optimize the optical field distribution of SIL system.
我们设计了一种连续相位滤波器,该滤波器可以优化固体浸没透镜系统的光场分布。
In this thesis we propose an alternative method to increase the axial resolution of OCT by combining coherence gating with superresolution through an appropriate phase filter.
本文提出一种将光学超分辨术与OCT相干门有机结合的方法来提高OCT的轴向分辨率。
The paper make an approach to the effects of the different phase filter parameter on seismic data of seismic acquisition system. To select the best instrument acquisition parameter.
本文探讨地震采集系统不同相位滤波参数对地震资料的影响,及最佳仪器采集参数的选择。
This dynamic filter on the fact table reduces the number of rows used in the probe phase of the actual hash joins.
事实表上的动态过滤减少了实际散列连接探测阶段使用的行数。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
另外,还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.
该滤波器在基频处的幅值无衰减,相位无延时,能将2次以上的谐波全部滤掉。
In the modern electrical system, FIR digital filter is widely favorable for many applications due to its well linear phase characteristics.
FIR数字滤波器以其良好的线性相位特性被广泛使用于现代电子系统中。
A novel single - phase parallel hybrid power filter is presented in this paper, which can eliminate drawbacks of LC passive filter and the conventional voltage source parallel hybrid power filter.
本文针对LC无源滤波器和传统的电压源型并联混合电力滤波器的缺点,提出了一种新型的并联混合电力滤波器。
Due to the frequency pulling of FLL, the passband of the filter in PLL can be made very narrow to suppress the noise, and the PLL can lock carrier's phase with high accuracy.
由于有锁频环的频率牵引,锁相环路滤波器可以设计得很窄,具有很好的抑噪性能,满足精确跟踪载波相位的要求。
The Principle and design methods for linear phase digital filter with optimization design were presented in this paper.
本文提出并详细说明了用最优化方法设计线性相位数字滤波器的原理和方法。
The method of designing the loop filter with the phase margin and loop bandwidth is displayed.
并提出了从环路带宽和相位余量出发设计环路滤波器的方法。
According to transfer functions of the loop filter and the single phase locked loop system, it figures out the loop filters parameters, and introduces the selection of loop bandwidth.
根据环路滤波器传递函数以及单环锁相系统的传递函数,计算出环路滤波器的各个参数,并介绍了环路带宽的选择。
A novel single-phase hybrid active power filter applied to electrical railway system is proposed.
提出了一种适用于电气化铁路的新型单相注入式混合有源滤波器。
Reviewed the digital filters' structure and design concisely. Discussed and compared three design methods of linear phase FIR filter particularly.
简单回顾了数字滤波器的结构和设计,详细讨论和比较了线性相位FIR滤波器的三种设计方法。
A new method for designing linear phase FIR digital filter with fixed-point coefficients based on the peak-constrained least-squares criterion is proposed in this paper.
基于峰值约束最小平方优化标准,提出了一种用于设计线性相位定点系数FIR数字滤波器的新方法。
The dissertation researches All Phase FIR filter deeply and four kinds of All Phase linear filters are designed which make the theory of All Phase more integrity.
本论文对全相位FIR滤波器进行了仔细研究,设计出四种全相位线性相位FIR滤波器,进一步完善了全相位理论。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位,然后再利用时变滤波进行振幅谱校正,以此分离出基阶振型面波信号。
The rotation invariant amplitude phase composite circular harmonic filter (CHF) is proposed.
提出了振幅位相合成圆谐滤波器用于旋转不变模式识别。
In this paper we study linear phase maximally decimated FIR cosine modulated filter banks, in which each filter has linear phase and is obtained by modulating the prototype filter by cosine sequences.
现研究了一种具有线性相位的最大抽取FIR余弦调制滤波器组,该滤波器组中每一个滤波器都具有线性相位,且由原型滤波器经余弦序列调制得到。
Grounded on the theory of power equilibrium, a novel single phase series active power filter (APF) is proposed.
提出一种基于功率平衡原理的串联型有源电力滤波器(APF)。
A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.
根据空间光调制器的相位调制作用,提出了一种灰阶纯位相匹配滤波器编码方法。
Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
特别是三相四线制有源电力滤波器硬件结构简单,只有三组开关器件。
In this paper, two types of main power circuits and their control methods are introduced when constructing active power filter in three phase four wire system.
本文介绍了在实现三相四线制有源电力滤波器时所采用的两种不同的主电路结构及其控制方法。
We propose the quadratic constrained formulas for the design of linear phase cosine modulated paraunitary filter banks given in references .
本文提出了一种线性相位精确重建余弦调制滤波器组的二次型约束设计公式。
Based on introducing overlapping base matrix, the general calculating formula for the coefficient vector of windowed all-phase equivalent FIR filter is proposed.
在引入重叠基矩阵的基础上,提出了加窗全相位等效f IR滤波器系数向量的计算通式。
应用推荐