到达时差 meaning in English

arrival time difference
step-out time

The effect of sediment parameters on sound speed profile inversion using time differences of acoustic ray arrivals in shallow water
浅海中沉积层参数对多途到达时差反演声速剖面的影响
Ssp inversion based on ray arrival time difference in shallow water is presented and related algorithms are developed . the feasibility and practicability of the algorithms are studied by using the experimental data in the east china sea
提出了一种基于特征声线的到达时差反演浅海声速剖面的方法，推导和论证了到达时差反演浅海声速剖面的算法。
This dissertation studies the inversion of sound speed profile ( ssp ) in shallow water , including the effects of sediment parameters on the multi - path arrival structure , the algorithm of the ssp inversion using multi - path arrival time differences and the ssp inversion based on matched beam processing ( mbp ) . 1
采用理论分析、数值仿真方法研究了沉积层参数对浅海多途到达结构的影响；推导和论证了到达时差反演浅海声速剖面算法、提出和研究了用匹配波束处理反演浅海声速剖面算法，并且应用东中国海实验数据对这两种算法进行了验证。