A high-precision frequency measurement algorithm for FID signal of proton magnetometer
The accuracy of measuring a magnetic field using a proton magnetometer depends on the
accuracy of frequency measurement of the free induction decay (FID) signal generated by …
accuracy of frequency measurement of the free induction decay (FID) signal generated by …
Active detection of small UXO-like targets through measuring electromagnetic responses with a magneto-inductive sensor array
The mission of detecting and locating unexploded ordnance (UXO) such as the landmine,
the improvised explosive devised, etc., is still a challenge to be overcome. In this paper, a …
the improvised explosive devised, etc., is still a challenge to be overcome. In this paper, a …
Noise characterization for the FID signal from proton precession magnetometer
Proton precession magnetometer is a high-precision device for weak magnetostatic field
measurement. The measurement accuracy depends on the frequency measurement of free …
measurement. The measurement accuracy depends on the frequency measurement of free …
[PDF][PDF] Ground overhauser DNP geophysical devices
VA Sapunov, ED Narkhov, AL Fedorov… - International …, 2015 - researchgate.net
The NMR technology is widely used in a proton precession magnetometers of the Earth
magnetic field intended for geological and geophysical exploration. The main method used …
magnetic field intended for geological and geophysical exploration. The main method used …
Research on a secondary tuning algorithm based on SVD & STFT for FID signal
The tuning precision of a Proton precession magnetometer's sensor is the key to getting the
best signal to noise ratio (SNR) of free induction decay (FID) signals. By analyzing the …
best signal to noise ratio (SNR) of free induction decay (FID) signals. By analyzing the …
Research on an improved resonant cavity for overhauser geomagnetic sensor
Resonant cavity is an important component of Overhauser magnetometer sensor. Its function
is to make the working substance generate dynamic nuclear polarization effect in the sensor …
is to make the working substance generate dynamic nuclear polarization effect in the sensor …
Apparatus and method for efficient sampling of critical parameters demonstrated by monitoring an Overhauser geomagnetic sensor
The polarization frequency of free radical solution in Overhauser geomagnetic sensor
determines the quality of the Larmor precession signal generated by the sensor. To obtain …
determines the quality of the Larmor precession signal generated by the sensor. To obtain …
Magnetic gradient full-tensor fingerprints for metallic objects detection of a security system based on anisotropic magnetoresistance sensor arrays
Concealed metallic object detection is one of the critical tasks for any security system. It has
been proved that different objects have their own magnetic fingerprints, which are a series of …
been proved that different objects have their own magnetic fingerprints, which are a series of …
High-precision sensor tuning of proton precession magnetometer by combining principal component analysis and singular value decomposition
The sensor tuning of a proton precession magnetometer determines the signal-to-noise ratio
(SNR) of induced free induction decay (FID) signal, while the quality of the FID influences …
(SNR) of induced free induction decay (FID) signal, while the quality of the FID influences …
A high precision proton magnetometer based on a multi-channel frequency measurement
In order to improve the precision and anti-interference ability of traditional proton
magnetometer, and provide reference basis for developing Overhauser magnetometer, a …
magnetometer, and provide reference basis for developing Overhauser magnetometer, a …