gyroscopyГироскопия и навигацияGiroskopiya i Navigatsiya / Gyroscopy and Navigation0869-70352075-0927AO «Концерн «ЦНИИ «Электроприбор»gyroscopy-451Research ArticleСтатьиАбсолютный баллистический гравиметр АБГ-ВНИИМ-1 разработки ВНИИМ имени Д.И. МенделееваВитушкинЛ. Ф.

Витушкин Леонид Федорович, доктор технических наук, начальник лаборатории.

ОрловО. А.

Орлов Олег Александрович, кандидат технических наук, руководитель секции. 

Всероссийский научно-исследовательский институт метрологии им. Д.И. Менделеева (С.-Петербург)Russian Federation20142901202622295101Copyright © Витушкин Л.Ф., Орлов О.А., 20262026Витушкин Л.Ф., Орлов О.А.Витушкин Л.Ф., Орлов О.А.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.gyroscopy.ru/jour/article/view/451

Во Всероссийском научно-исследовательском институте метрологии им. Д.И.Менделеева создан абсолютный баллистический гравиметр АБГ-ВНИИМ-1. В разработке применены оригинальные конструкции баллистического блока, стабилизированного по частоте компактного твердотельного Nd:YVO4/KTP лазера с диодной накачкой, на длине волны 532 нм. Разработано программное обеспечение GROT для управления системами и вычисления ускорения свободного падения пробного тела по измеренным интервалам пути и времени. Полная инструментальная погрешность АБГ-ВНИИМ-1 составляет 2·10-8 мс-2.Статья по докладу на Симпозиуме международной ассоциации по геодезии (IAG) «Наземная, морская и аэрогравиметрия: измерения на неподвижных и подвижных основаниях» 17-20 сентября 2013 г.

A new free-fall absolute ballistic gravimeter ABG-VNIIM-1 was fabricated at the D.I. Mendeleyev Research Institute for Metrology (VNIIM). For this gravimeter we have developed an original mechanical system of ballistic unit, a compact iodine-stabilized in frequency Nd:YVO4/KTP diode-pumped solid-state laser at the wavelength of 532 nm and the laser interferometer. The path of free fall of the test body in a vacuum chamber is about 10 cm. The electronic system for the fast acquisition of the length and time intervals during the free fall is based on the NI PXI platform. A special software GROT was developed to control of all the systems and to evaluate the measured gravity acceleration. A passive vibration isolation of the reference reflector in the laser interferometer is based on the seismometer. The gravimeter ABG-VNIIM-1 was tested at the gravimetric site "Lomonosov-1" in Lomonosov branch of VNIIM. The estimated total instrumental uncertainty of ABG VNIIM-1 was determined to be 2·10-8 m s-2. The typical residuals in the least square evaluation of the trajectory of the test body in a single drop at the site "Lomonosov-1" are from 0.3 to 0.8 nm.

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The authors declare that there are no conflicts of interest present.