如何实现极窄的通带宽度和极小的中心频率偏差是研制中所解决的关键技术问题。
The key technique of this new filter is how to achieve the extreme narrow band-pass width and a slight deviation of central frequency.
声波去耦层的声阻抗和厚度决定该声波去耦器的声阻抗，并因此决定DSBAR器件的通带宽度。
The acoustic impedances and thicknesses of the acoustic decoupling layers determine the acoustic impedance of the acoustic decoupler, and, hence, the pass bandwidth of the DSBAR device.
声波去耦层的声阻抗和厚度决定该声波去耦器的声阻抗，并因此决定DSBAR器件的通带宽度。
The acoustic impedances and thicknesses of the acoustic decoupling layers determine the acoustic impedance of the acoustic decoupler, and, hence, the pass bandwidth of the DSBAR device.
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