PC based Proton Precession Magnetometer?

[Krzysztof]

Hi Willy...
Thank you for your explanation, I understand the PPM technology.
I ask to change the indications, if slightly changing the position of your coils from the working position (horizontal).
Next envy the whole measurement of the magnetic field.
Fluxgate because I chose a small power consumption and low access to the knowledge base. I like the challenge for the brain, although it takes.
I read the source systems fluxgate and overhausen. I chose our own way without FGM3, almost purely digital. For now, I can not jump over the accuracy of 0.25%, the reason is the jitter and constant error measurement.
I congratulate the achievements.
Best regards Chris.

[Willy Bayot]

Hi Willy...
Thank you for your explanation, I understand the PPM technology.
I ask to change the indications, if slightly changing the position of your coils from the working position (horizontal).
Next envy the whole measurement of the magnetic field.
Fluxgate because I chose a small power consumption and low access to the knowledge base. I like the challenge for the brain, although it takes.
I read the source systems fluxgate and overhausen. I chose our own way without FGM3, almost purely digital. For now, I can not jump over the accuracy of 0.25%, the reason is the jitter and constant error measurement.
I congratulate the achievements.
Best regards Chris.

No,a PPM measures the total field value in any position of the sensor if there is enough vector magnitude at 90° from the main axis of the sensor coils.
Willy

[Krzysztof]

Hi Willy...
Excuse moi, pas bonne tradise.
Forgive I use translator.
Walks me it about small, several degrees deviation coils in perpendicular plane.
Does sie alter amplitude?
In our region of field sloping about 70deg vector.
How does PPM react when you have telephone portable near me?
Best regards Chris.

[Willy Bayot]

Hi Willy...
Excuse moi, pas bonne tradise.
Forgive I use translator.
Walks me it about small, several degrees deviation coils in perpendicular plane.
Does sie alter amplitude?
In our region of field sloping about 70deg vector.
How does PPM react when you have telephone portable near me?
Best regards Chris.

No problem in your region.
In the middle of Poland, you get an average total field F of 49800nT of which the vertical Z vector is 46200nT with a declination I of 67°.

In principle, a portable should not disturb a mag except that it contains certainly some parts made of steel, thus, it should be kept at least at one meter from the sensor.

Willy

[Willy Bayot]

Hi Willy...
Excuse moi, pas bonne tradise.
Forgive I use translator.
Walks me it about small, several degrees deviation coils in perpendicular plane.
Does sie alter amplitude?
In our region of field sloping about 70deg vector.
How does PPM react when you have telephone portable near me?
Best regards Chris.

Hi,

There should be a slight change of magnitude of the signal when changing horizontal orientation of the sensor but this does not change its precession frequency, thus, its F value.

Another aspect of a PPM system is its resilience to noise and spikes. Our PPM MarkIII and IV is very insensitive to spikes and ambient noise because its signal capture and processing uses a lot of redundant data from the signal to calculate its frequency with the best precision. It means that it is not disturbed by a few extra or missing periods of the sine wave. It is also insensitive to any change of amplitude. Our system has even been proven to be insensitive to an AC power line put at 50cm from the sensor.
This is not the case for all the PPM systems whose signal processing is based on the period counting/timing.

Willy

[Krzysztof]

Hi Willy...
Je remercie derrière l'éclaircissement.
Thank you for your explanation.
As yet I do miniaturization.
I cross from AVR_Tiny / Mega on PSoC.
It is there how in former computers - machine does this what you tell, but nothing more.
I wait on bought new magnetical materials I - look for the best effectiveness still.
Best regards Chris.