释义 |
Fourier analyzer [´fu̇r·ē´ā `an·ǝ´līz·ǝr] ENGINEERING A digital spectrum analyzer that provides push- button or other switch selection of averaging, coherence function, correlation, power spectrum, and other mathematical operations involved in calculating Fourier transforms of time-varying signal voltages for such applications as identification of underwater sounds, vibration analysis, oil prospecting, and brain-wave analysis. |