Long Base

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/lɔŋ beɪs/

Combining the traditional acoustic positioning system with the vector hydrophone, we have designed a new portable system named as the long base line passive acoustic positioning system.
The structure and parameter design of a high-voltage light activated power thyristor are described in detail. By using optimization method its long base region width is determined and the way of optimal technology is chosen as well as material parameters.
A New Long Base(LB) Line Underwater Positioning Technique
Coal-accumulating processes occurs in most of the long base level sequence cycle, and we summarize the law of coal accumulation based on the analysis of distribution characteristics of the small thickness and stably distributed coal that developed in each long sequence cycle.
The state space model of the crawler type collector was constructed and the measurement equation of the LBL ( long base line ) system was presented according to the latency of the system. The logical algorithms based on the fuzzy adaptive EKF were put forward.

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