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Estimation of Multichannel Magnetometer Noise Floor in Ordinary Laboratory Conditions

100%

Praslička D., Lipovský P., Hudák J., Šmelko M.

Acta Physica Polonica A

2017

vol. 131

issue 4

1123-1125

The article deals with the method of the inherent noise estimation in each channel of a four channel relax-type magnetometer in general laboratory conditions. The day-long development of ambient magnetic field has been recorded and then the data were processed by correlation methods to separate inherent noises of the channels from ambient noise in the statistically best times. The method is applicable for noise estimation of any multi-channel sensoric system and also for the separation of deterministic and stochastic components of signals.

Advanced Method for Magnetic Microwires Noise Specification

76%

Praslička D., Šmelko M., Blažek J., Hudák J., Lipovský P., Flachbart N.

Acta Physica Polonica A

2014

vol. 126

issue 1

86-87

The article points to the effects of the ambient noise and its possible influences on quantification of the inherent switching field noise of magnetic microwires. Based on the observed effects, an advanced methodology was developed to quantify the impact of the ambient noise. During measurements a multi-channel system with applied correlation methods was used. The proposed method determines the percentage contribution of the ambient noise deviation to the magnetic microwires switching field noise.

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2 Acta Physica Polonica A

1 2017

1 2014

2 Hudák J.

2 Lipovský P.

2 Praslička D.

2 Šmelko M.

1 Blažek J.

1 Flachbart N.

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Estimation of Multichannel Magnetometer Noise Floor in Ordinary Laboratory Conditions

Advanced Method for Magnetic Microwires Noise Specification