COMMON QUESTIONS

Browse Topics

Loading...

Special announcements

Designing instrument installations

Installing instrumentation

Instrument response and calibration

Data Acquisition

Configuring digitisers and digital instruments

Filter Coefficients

Troubleshooting

Digitiser troubleshooting

Accessing or enabling technical support

How do I determine FIR filter information from GCF data? Open

It is useful to be able to find out, for a given block of seismic data, what filters have been…

It is useful to be able to find out, for a given block of seismic data, what filters have been applied to it to get it into its present form.

DM24, CD24 and Affinity digitisers set a byte within every block of GCF data, which identifies the sequence of filters in use. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for the DM24 Mk3? Open

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE This information applies to most modular DM24 units…

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE

This information applies to most modular DM24 units and digital instruments manufactured after 2004. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for the 6TD and CD24? Open

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE This information applies to all 6TD and EDU…

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE

This information applies to all 6TD and EDU systems manufactured after 2005. These digitisers are single-channel units based on the CD24 compact digitiser module. It also applies to stand-alone CD24 digitisers. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for the (legacy) DM24 Mk2? Open

NOTE: THIS LINK TAKES YOU FIRST TO A LICENCE ACCEPTANCE PAGE This information applies to all CMG-DM24 units manufactured before…

NOTE: THIS LINK TAKES YOU FIRST TO A LICENCE ACCEPTANCE PAGE

This information applies to all CMG-DM24 units manufactured before 2004, and any Mk2 units manufactured after that date. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for older (legacy) 6TDs? Open

This document describes the sequence of FIR filters used by the 6TD instruments manufactured before the introduction of the CD24…

This document describes the sequence of FIR filters used by the 6TD instruments manufactured before the introduction of the CD24 digitiser. Read more

Filter Coefficients Data Acquisition

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.

Ok Decline

More information