这张图片是由宽带滤波器和窄带滤波器所拍摄的照片所合成的。
The picture is a composite of images taken through both broad and narrow band filters.
这种设计方法特别适用于本身计算、比较复杂的宽带滤波器的设计。
This method is especially applicable to the design of broadband filter which has its own complicated computation and design.
本文提出了一种由半波长传输线加载并联串联LC电路构成的多模谐振器并对其在宽带滤波器的应用进行了研究；
Further, a multi-mode resonator composed of a half wavelength resonator loaded with two shunt series LC circuit is also investigated intensive.
可是，对于载波频率不断变化的CW脉冲信号，普通的滤波器难以实现窄带跟踪滤波，而宽带滤波又不能达到提高信噪比的要求。
But to the CW pulse signal with changing carrier wave frequency, common filter cannot achieve narrowband filter, whereas broadband filter cannot reach the request of the signal-noise ratio.
对实际SAW滤波器模拟计算表明，本算法精确简便，在频域与传播范围上皆具宽带特性。
The simulation proves that this method is very precise and can be used in design and compensation of high performance wideband SAW filters.
本文用边界无法（BEM）对宽带速调管滤波器型输出段进行研究。
The boundary element method (BEM) is used for analyzing the filter type output section of broadband klystron.
前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增益，线性信号处理及噪声宽带的抑制。
The avalanche photodiode detector is followed by a front-end amplifier and equalizer or filter to provide gain as well as linear signal processing and noise bandwidth redution.
对宽带线性调频源中基带信号产生时所用的低通滤波器进行了设计。
This article has designed an elliptic low pass filter for the generation of base band signals in a wideband chirp source.
通过与大华无线电厂合作，研制了超高频传感器，其主要由天线、超高频放大器、高通滤波器、宽带检波器等组成。
A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector.
另一个因素可能是高q值作为我的环路滤波器的更多的宽带噪声。
Another factor could be the high Q of my loop acting as a filter for more broad band noise.
采用子阵合成式宽带波束形成方法，改进常规滤波器设计原理，使其可以在规定的带宽范围内获得一致的基阵指向性。
By using the aperture synthetic wideband beamforming algorithm, the theory of designing the conventional filter is improved, and a wideband constant beamwidth is reached in the appointed bandwidth.
采用长周期光纤光栅均衡滤波器，设计出了光纤长周期光栅（LPG）均衡光纤宽带放大器，并进行了模拟计算。
With the equalizing filter made by long period grating(LPG), we design the flat gain spectra of EDFA.
主要工作和成果如下：1、赝高通宽带带状线滤波器的设计。
The main work and achievements are as following: 1 Proposed the approach to design the false high-passed broad band filter.
本文利用DF T滤波器组、ZFFT，提出了一种宽带信号的实时谱分析方法。
In this paper, by using DFT filter bank and ZFFT, we present an algorithm of spectrum analysis for the wide band signal.
针对宽带无线通信要求，提出了一种基于半带滤波器和CIC滤波器级联的上采样滤波器组实现方案。
A solution to implementation of digital interpolation filter for wireless communication system was presented based on half-band and CIC filters.
实验中利用由宽带光源和光纤可调谐滤波器组成的可调谐光源分别扫描了参考光谱和传感光栅的光谱。
In experiment broad band light source combined with a fiber tunable filer scans reference spectrum and sensing spectrum respectively.
这些滤波器应用了波数字格形滤波器概念和宽带带通滤波器的新近似变换方法。
These filters are designed by using the concept of wave digital lattice filter and by making use of a novel approximate transformation method for wide band bandpass filters.
基于这一背景，本文主要研究基于新型微扰小环的微带双模滤波器技术，目的是得到调试灵活的小型化宽带带通滤波器。
Microstrip dual-mode bandpass filter with novel rectangular-loop has been studied in this dissertation to realize miniaturized broadband bandpass filter which is easy to adjust.
一般情况下，为使滤波器在任意频段都有良好的频率分辨力，可采用恒带宽带通滤波器，如收音机的选频。
Under normal circumstances, in order to filter at any frequency band have good frequency resolution, can be used with a broadband constant-pass filter, such as radio frequency-selective.
一般情况下，为使滤波器在任意频段都有良好的频率分辨力，可采用恒带宽带通滤波器，如收音机的选频。
Under normal circumstances, in order to filter at any frequency band have good frequency resolution, can be used with a broadband constant-pass filter, such as radio frequency-selective.
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