frequency marker
1.Diode-laser-pumped Neodymium-Doped Yttrium Vanadate (Nd: YVO_4) lasers, benefiting broader absorption band than common solid gain materials, have one spherical predominance of non-sensitive to temperature for pumped efficiency, in spite of owning general advantages of diode-laser-pumped solid-state lasers (DPL): high power, compact, station, long life and whole solid. Such lasers have an important application tomorrow in pulsed laser range with high repetition frequency and laser marker.
3.In view of the issue and on the basis of hi-fi processing studied by the predecessors,the author presented the processing ideas of relatively preserving amplitude,frequency,phase and waveform under the condition of eliminating near-surface influence and the labeling by reference marker as well as a set of technical ideas of continuous detection of seismic attributes and dynamic interpretation based on reference marker.
