accumulation frequency of wave height
accumulative frequency of wave height in a wave train
barycenter of frequency spectrum
branch of frequency spectrum
cyclic frequency-spectrum frequency domain
device for direct observation of frequency spectrum
frequency spectrum of laser acoustics
Interruption of frequency spectrum
Intersection of frequency spectrum
main frequency of spectrum analysis
response of frequency spectrum
Shift of frequency spectrum
utilization factor of frequency spectrum
water of frequency spectrum
wind wave frequency spectrum
response curve of wave frequency
analysis of frequency spectrum