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推測航法 (すいそくこうほう) Japanese meaning | Kotomora
Meanings 1
noun
dead reckoning
Navigation technique that estimates current position based on a previously known position, using speed, heading, and elapsed time. Used in aviation, marine, and other navigation contexts.
パイロット は 推すい 測そく 航こう 法ほう を 用もち い て 現げん 在ざい 位い 置ち を 推すい 定てい し た 。
The pilot estimated the current position using dead reckoning.
Kanji 推 conjecture, infer, guess Similar words 慣かん 性せい 航こう 法ほう Inertial navigation uses accelerometers and gyroscopes to continuously calculate position, while dead reckoning (推測航法) relies on speed and heading from external references.
天てん 測そく 航こう 法ほう Celestial navigation determines position by observing celestial bodies, whereas dead reckoning (推測航法) calculates position from a known starting point using motion data.
Etymology Compound of 推測 (すいそく, 'estimation, conjecture') and 航法 (こうほう, 'navigation method'). The term is a direct translation of the English 'dead reckoning'.
