common depth point stacking

Japanese: common depth point stacking(英語表記)commondepthpointstacking
common depth point stacking

...The number of receiver channels in the observation and recording system has also gradually increased, from the initial 12-24 channels to 500-1000 channels. In addition, multiple composite patterns are used as units for each receiver point and epicenter to improve the signal-to-noise ratio, and CDP stacking, in which the same reflection point is observed repeatedly and stacked after correction, has also become common. After such technical efforts, if the signal-to-noise ratio becomes large enough, the reflected wave's amplitude and waveform itself, as well as its arrival time, become meaningful. ...

*Some of the terminology that refers to "common depth point stacking" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…また観測記録システムの受振チャンネルの数もしだいに増え,初期の12~24チャンネルから500~1000チャンネルのものも使われるようになった。また各受振点,震源もSN比向上のため多数の複合パターンがそれぞれの単位として用いられており,また同一反射点をくりかえし観測し補正後重合するCDP重合common depth point stackingも一般化した。このような技術的努力の後,SN比が十分大きくなれば反射波は到達時間のみならず反射波の振幅,波形そのものも意味をもってくる。…

※「common depth point stacking」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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