frequency-hopped
frequency-hopping
frequency-indicating
frequency-locked
frequency-modulated
frequency-modulation
frequency-multiplied
frequency-narrowed
frequency-offset
frequency-rejection
  frequency-response
frequency-responsive
frequency-scanned
frequency-selective
frequency-sensitive
frequency-shift
frequency-shifted
frequency-shift-keying
frequency-sweep
frequency-swept
frequency-switchable

    frequency-response method

    метод частотных характеристик