查询词典 filter factor

Tunable passband property of the stepped-impedance resonator is used for the design of dual-band bandpass filter that can be applied to wireless local area network communication system. Design theory for this type of filter is presented.

利用阶梯阻抗谐振器的通带可调的特性，设计了可用于无线局域网通信系统的双通带滤波器，给出了设计理论。

Then the high speed is needed for separation, and washing can be carried out at the same time, In the process of feeding and high-speed separation, the liquid, under the centrifugal force, is discharged out of the basket through filter cloth and the holes of the basket, and then out of the machine through the tube for discharging liquid, while the solid deposits in the basket. After the separation, open the machine, loosen the lock blocks on lip ring, and suspend the lip ring together with the filter bagt containing cake to discharge.

进料与高速分离过程中，在离心力作用下，液相物穿过滤布及转鼓壁滤孔排出转鼓，经排液管排出机外；固相物截留在转鼓内，分离完毕，停机后启开机盖，松开拦液板锁紧块，将拦液板连同装有滤渣的滤袋一并吊往卸料处卸料。

This arithmetic can reduce the complexity greatly.3. EBFB was a new class of even-length biorthorgonal wavelet filter banks base on Parametric Bernstein. Due to the uncertainty of parameters of the Bernstein Polynomial, a design method for optimizing EBFB filter banks based on genetic algorithms was presented.

EBFB小波滤波器是基于伯恩斯坦多项式的偶数长双正交小波滤波器组，本文针对伯恩斯坦多项式中参数的不确定性，提出了一种基于遗传算法的EBFB双正交小波滤波器组的优化设计方法。

After investigating into the design of classical FIR digital filter,a method of FIR filter design based on proximate best uniform approximation is proposed.

在对经典FIR数字滤波器的设计方法进行研究基础上，提出了一种基于近似最佳一致逼近原理的FIR滤波器设计方法。

Having investigated the design of classical FIR digital filter, the authors put forward a method of FIR filter design based on Chebyshev best uniform approximation which can be used to separate potential anomalies.

在对经典FIR数字滤波器的设计方法进行研究的基础上，提出了一种可以用于位场分离的基于Chebyshev最佳一致逼近原理的FIR滤波器的设计方法。

The procedure of designing a FIR filter with the proximate best uniform approximation method is given.The example shows that the filter designed by this method is of good performance in both pass band ...

给出了用近似最佳一致逼近方法设计FIR滤波器的具体过程，然后通过实例表明该方法设计的滤波器在通带和阻带内具有较好的特性，且计算简单、计算量小，有较好的应用前景。

The design of digital notch filters can be achieved through three steps:firstly,the design of analog lowpass filter; secondly,it is analog lowpass to analog band stop filter conversion;at last,using the bilinear transformation make the analog notch filters change into digital notch filters.

研究一种在Matlab语言环境下设计IIR数字陷波滤波器的方法，在数字陷波滤波器设计过程中，先进行模拟低通滤波器的设计，然后进行模拟低通/模拟带阻滤波器转换，最后采用双线性变化法将模拟陷波滤波器转化成数字陷波滤波器。

along with the development of digital technology,digital filters are widely used in many fields,this paper introduces how to design a iir digital notch filters in matlab environment.the design of digital notch filters can be achieved through three steps:firstly,the design of analog lowpass filter; secondly,it is analog lowpass to analog band stop filter conversion;at last,using the bilinear transformation make the analog notch filters change into digital notch filters.the paper also introduces how to design the transfer function of the digital notch filters using all the zeros and farthest points at the same time,it also introduces the program of the digital notch filters under butterworth analog lowpass prototype.

摘 要：随着数字技术的发展，数字滤波器在许多领域得到广泛的应用。研究一种在matlab语言环境下设计iir数字陷波滤波器的方法，在数字陷波滤波器设计过程中，先进行模拟低通滤波器的设计，然后进行模拟低通/模拟带阻滤波器转换，最后采用双线性变化法将模拟陷波滤波器转化成数字陷波滤波器。提出一种用所有零点和极点来表达数字陷波器传递函数的方法，同时给出以巴特沃斯模拟低通为原型设计数字陷波滤波器的程序。关键词：无限冲激响应；巴特沃斯滤波器；数字陷波滤波器；matlab；双线性变换

The filter network employs six biquadratic switched-current filters in a parallel connection, in which the S2I memory cell is used as the core of the filter.

该滤波器网络由六个以S2I存储单元为核的双二次开关电流滤波器并联而成。

At present, our company's products are plastic cotton mops, cotton mops, such as a total of more than 20 kinds; plus high-tech PVA synthetic products, including imitation buckskin towel, bath towel, shower cap, absorbent cotton towel, square fast cotton, cloth and sponge gourd kitchen cleaning cloth, small water head, roller cotton (mainly glass manufacturing, printing ink plant, circuit board manufacturing), Sweat-absorbent nature of odor insoles, aquaculture pumice, filter cartridges, filter paper, the field of tourism upon the table and so a total of dozens of varieties and styles.

目前，我们公司的产品有胶棉拖把、棉纱拖把等共计20多种；外加高新技术的PVA合成产品，包括仿鹿皮巾、沐浴巾、沐浴帽、吸水棉巾、方快棉、丝瓜布和厨房清洁布、小型滤水头、滚筒棉(主要用玻璃制造业、油墨厂、电路板制造厂)、防臭吸汗性鞋垫、养殖业浮石、过滤筒、过滤纸、野外旅游餐桌倚等共计几十种品种和样式。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044