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基频与通频的正则扩大。Orthonormal expansions at baseband and passband.

这方法降低了增益，但加宽了放大器的通频带。This reduces gain but widens the amplifier's passband.

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另外在大地电磁测勘上要特别注意的是接收能量上的选择。Another critical factor in a magnetotelluric survey is the selection of the energy passband.

提出通带无失真矩阵滤波器设计方法。This paper propose the method of passband response without distortion of matrix filter design.

它们在通带内增益有等波纹特性，在带外则具有最大斜率。The gain of the filter keeps equiripple property within passband and maximum slope outside the band.

在通频带内，幅频特性曲线的幅值的大小与阻尼系数有关。The amplitude value of amplitude-frequency curve in frequency passband is related to damping coefficient.

当环数增加时，过渡带衰减速度变快，通带形状更接近方形。And a square passband shape was achieved for the larger ring number and the faster transition attenuation.

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实验滤波器通带特性的测试结果与理论分析基本吻合。The measured passband profile of the experimental filter is basically in agreement with the theoretical one.

高截止度宽带红外滤光片是新型红外地球敏感器的关键件之一。Wide passband infrared filter with high rejection rate is one of the key elements in New infrared earth sensor.

提出了一种通带截止频率连续可调的低通滤波器的新的设计方法。In this paper, a novel design method of a passband edge frequency continuous adjustable FIR filter is presented.

当电极厚度增加时，通带的涟波会变小，中心频率会降低。With electrode thickness increases, passband ripple becomes smaller, center frequency moves toward lower frequency.

改进并实现了CIC通带补偿滤波器模块，用来减小多级CIC的通带误差所导致的信号失真。A modified CIC compensation filter is realized to reduce the CIC's passband error that distorts the original signal.

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因此，它在带外衰减与带内幅度特性和带内群时延特性之间有了一个较好的折中。Therefore, there is a perfect compromise between attenuation in stopband and group delay or loss variation in passband.

利用SAW表面传播的性质可以制作包括延迟线、带通滤波器、卷积器、谐振器、振荡器和匹配滤波器。To utilize property of SAWs propagating, it can be made including delay lines, passband filters, oscillators and pitch filters.

该方法直接采用雷米兹交换算法即可获得线性相位对数滤波器通带和阻带的等纹波特性。Using Remez exchange algorithm, equiripple passband and stopband characteristic of linear phase log filter can be directly obtained.

该滤波器在采用COSINE滤波器提高阻带特性的基础上，级联了一个SINE滤波器，补偿了其通带衰减。A cascaded SINE filter is introduced after the COSINE one which improves the stopband characteristics to compensate the passband drop.

根据“虚短”和“虚断”的特点，可得到电路的通带电压放大倍数和通带截止频率。According to "virtual short" and "virtual-off" feature, available to the circuit passband voltage gain and pass-band cut-off frequency.

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实验结果表明，利用耦合负阻到谐振腔的方法，可明显改善滤波器的通带特性。Experimental results show that the method of coupling negative resistance to resonators can improve passband performance significantly.

同时，分析了单级振子YIG滤波器中耦合环参数对通带响应的影响。Also, the influence of the parameters of the coupling loops on the passband response is analyzed for a single-stage YIG resonance filter.

通带的中心频率随着偏置磁场的增强而单调上升，显示出很好的场致频率可调性。The center frequency of the passband shifts to a higher frequency when the bias magnetic field in creases. That is good magnetotunability.