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Принцип работы сейсмографа и геофона #vertdider #veritasium


less than 1m read
·Nov 3, 2024

Первые аппараты по сути представляли собой закреплённую на пружинах ручку, которая выводила линии на раскручиваю вся рулоне бумаги.

Когда начиналось землетрясение, ручка тряслась, и линия на бумаге отражала интенсивность толчков. В результате получалась так называемая сесть матраса.

В наши дни пользуются геофонд внутри катушки индуктивности, которая закреплена на пружинах.

Стоит случиться землетрясению, как пружина начинает колебаться: катушка опускается и поднимается вдоль магнита, от чего появлятся то, с помощью тока и записывается сейс матраса.

Чтобы получить трёхмерное представление о сейсмических волнах, используют три катушки, каждая из которых ориентирована по одному из направлений.

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