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The frequency axis of this symbolic diagram may be linearly or logarithmically scaled. Except in special cases, the peak response will not align precisely with the center frequency.
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frequency scale. The geometric center frequency corresponds to a mapping of the DC response of the prototype lowpass filter, which is a
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systems, where filters are not necessarily symmetric but are treated on a linear frequency scale for applications such as
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of a filter or channel is a measure of a central frequency between the upper and lower
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Typically, the geometric mean is used in systems based on certain transformations of
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The arithmetic definition is used in more general situations, such as in describing
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Calculations and comparisons between the geometric mean and the arithmetic mean
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sometimes equal to the peak frequency of such systems, for example as in a
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The channel between upper and lower cutoff frequencies of a band system
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of the lower cutoff frequency and the upper cutoff frequency of a
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113:John T. Taylor and Qiuting Huang (1997).
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70:is constructed to be symmetric on a
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94:frequency-division multiplexing
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68:frequency response
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