SU457058A1 - Device for measuring the intensity and gradient of the magnetic field - Google Patents
Device for measuring the intensity and gradient of the magnetic fieldInfo
- Publication number
- SU457058A1 SU457058A1 SU1922823A SU1922823A SU457058A1 SU 457058 A1 SU457058 A1 SU 457058A1 SU 1922823 A SU1922823 A SU 1922823A SU 1922823 A SU1922823 A SU 1922823A SU 457058 A1 SU457058 A1 SU 457058A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- gradient
- intensity
- magnetic field
- measuring
- amplitude
- Prior art date
Links
Landscapes
- Measuring Magnetic Variables (AREA)
Description
усилительно-преобразовательные схемы 5 каналов магнитометра и градиентометра с элементами обратной св зи по полю 6 и по градиенту 7, прибор-индикатор 8.amplifier-converter circuits of 5 channels of a magnetometer and a gradiometer with feedback elements on field 6 and on gradient 7, instrument-indicator 8.
В схему устройства введен дополнительно фильтр 9, выдел ющий напр жение второй гармоники, содержащеес в напр жении генератора возбуждени , и амплитудно-фазовые регул торы 10 и И, обеспечивающие подбор амплитуды и фазы компенсационного напр жени и позвол ющие за счет противофазного включени обеспечить подавление ложного сигнала второй гармоники генератора в каналах измерени градиента и напр женности магнитного пол . Причем вход фильтра 9 соединен с выходом генератора возбуждени 1, а его выход через амплитудно-фазовые регул торы 10 и 11 подключен к усилительно-преобразовательным схемам 5 каналов магнитометра и градиентометра.An additional filter 9 is introduced into the device circuit, which separates the voltage of the second harmonic contained in the voltage of the excitation generator, and the amplitude-phase regulators 10 and I, which ensure the selection of the amplitude and phase of the compensation voltage and allow, due to antiphase activation, to suppress the false the signal of the second harmonic of the generator in the channels of measurement of the gradient and the intensity of the magnetic field. Moreover, the input of the filter 9 is connected to the output of the excitation generator 1, and its output through the amplitude-phase regulators 10 and 11 is connected to the amplifier-converter circuits of the 5 channels of the magnetometer and the gradiometer.
Предмет изобретени Subject invention
Устройство дл измерени напр женности и градиента напр женности магнитного пол , содержащее генератор возбуждени , феррозондовые датчики, схемы выделени суммарного и разностного сигналов, пропорциональных напр женности и градиенту напр женности магнитного пол , усилительно-преобразовательные схемы каналов магнитометра и градиентометра , прибор-индикатор, отличающеес тем, что, с целью снижени порога чувствительности и повышени точности измерений , в него введен дополнительный фильтр сA device for measuring the intensity and gradient of the magnetic field, comprising an excitation generator, fluxgate sensors, a circuit for isolating the sum and difference signals proportional to the intensity and the magnetic field gradient, amplifying and converting circuits of the magnetometer and gradiometer channels, the indicator device differing by the fact that, in order to reduce the sensitivity threshold and increase the measurement accuracy, an additional filter with
амплитудно-фазовыми регул торами, настроенный на вторую гармонику, вход которого соединен с выходом генератора возбуждени , а выход через амплитудно-фазовые регул торы подключен к усилительно-преобразовательнымamplitude-phase regulators, tuned to the second harmonic, the input of which is connected to the output of the excitation generator, and the output through the amplitude-phase regulators connected to the amplifier-converter
схемам каналов магнитометра и градиентометра .channel schemes of a magnetometer and a gradiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1922823A SU457058A1 (en) | 1973-05-28 | 1973-05-28 | Device for measuring the intensity and gradient of the magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1922823A SU457058A1 (en) | 1973-05-28 | 1973-05-28 | Device for measuring the intensity and gradient of the magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU457058A1 true SU457058A1 (en) | 1975-01-15 |
Family
ID=20553885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1922823A SU457058A1 (en) | 1973-05-28 | 1973-05-28 | Device for measuring the intensity and gradient of the magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU457058A1 (en) |
-
1973
- 1973-05-28 SU SU1922823A patent/SU457058A1/en active
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