带通滤波器

This kind of novel millimeterwave microstrip bandpass filter with loading capacitances is analyzed and designed by CST software.

利用高频分析软件CST仿真分析并设计了这种新型的加载电容型毫米波微带带通滤波器，实验结果与设计曲线结果相符。

The transformation between digital signal and DC voltage was made with D/A converser and high voltage amplifier; varactor s were used for tuning components; the bandpass filter was a combline microstrip line one, its dimension was presented.

采用数模转换器和高压运放实现数字信号与直流电压的转换；以变容二极管作为调谐元件；带通滤波器采用梳状微带线结构，并给出了结构参数。

The design of a surface acoustic wave filter with a center frequency of 44?MHz, a 1?dB bandwidth of 8?MHz, an out-of-band rejection of more than 60?

采用数字傅里叶变换技术设计并制作了一个中心频率为44MHz，1dB带宽为8MHz，带外抑制大于60dB，插损小于28dB的带通滤波器。

A compact and excellent band pass filter with 1.8 GHz center frequency and 250 MHz band pass was designed,which had one attenuation-pole on the high and low stop band respectively.The dimension of the filter was 2.0 mm×1.2 mm×0.9 mm,fitting for ...

实现了一个中心频率在1.8 GHz，带宽为250 MHz，且在高低禁带端各有一个衰减极点的优良小型化带通滤波器，其外形尺寸为2.0 mm×1.2 mm×0.9 mm，满足0805型号封装要求。

This paper describes a design approach of an improved microstrip interdigital filter by Ansoft Desinger software.

论述了用Ansoft公司的Designer微波设计软件设计一种改良型的微带交指型带通滤波器。

And the parameter design, simulation and analyse of Method of Moments is given.

介绍微带带通滤波器ADS全局优化设计方法及其设计流程，重点阐述ADS设计流程中的参数优化、器件仿真、矩量法分析等相关内容。

The quadrupler consists of two broadband doublers, the broadband microstrip bandpass filter, the millimetre-wave amplifier and the microstrip-to-waveguide transition.

整个倍频器主要由两级宽带二倍频器、宽带带通滤波器、毫米波放大器、微带—波导转换五部分组成。

Through the designed bandpass filter, it can increase the total bandwidth.Moreover, the dual-band bandpass filters are designed by using the impedance ratio of stepped impeedance resonator and meander of transmission Line.

传统上，平行耦合微带线带通滤波器，是两段四分之ㄧ波长传输线等效成一个导纳转器，因为导纳转换器并不具随频率改变的特性，此种仅适合窄频宽时较准确，用在大频宽时，实际的频宽会缩小，经由改善后，可提高频宽。

In Chapter 4, microstrip bandpass filters based on capacitance loading are designed.

第四章设计了电容加载的微带带通滤波器。

A new type of microstrip bandpass filters is proposed,which is composed of the zeroth-order resonantsystem of J-inverters.

提出一种新型微带带通滤波器设计，它是由带有J-变频器的零阶谐振ZOR（zeroth-order resonant）系统构成。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。