View Full Version : Summary - measuring coherence

06-28-1999, 01:31 PM
Thank you to all who replied to our original posting below. The information
was very helpful.

>Dear Biomch-L readers
>We are interested in finding commercially available software that will
>us to derive the phase errors, gain errors and coherence between two
>- a target track (variable frequency) and a response track.
>We are aware that programs can be written in Matlab, but are looking for
>software that does not require further development.
>Any assistance gratefully received.
>Julie Bernhardt, PhD
>National Stroke Research Institute
>Melboure, AUST



It can be done using National Instrument's LabVIEW, although this also
requires some programming.

Alternatively there is an old DOS program called HVLab which can do it with
no programming required. http://www.isvr.soton.ac.uk/HFRU/hvlab/index.htm

I am interested to know more of your application.....

With regards,


Dr Neil J Mansfield
Department of Human Sciences
Loughborough University
Loughborough LE11 3TU, U.K.
tel: +44 (0)1509 228483
fax: +44 (0)1509 223940


Hi Dr.
I understand what you want to do.I recommend "LabVIEW" National
Insturuments. It includes you need some functions.
You need a programming, if you use the software. But, you will develop a
program simmply and quickly, because the software has purely graphycal
programing enviroment.

LabVIEW is little expensive, but I feel satisfy its performance.
If you want to more information about LabVIEW, access to follwing Web site.

Ippei Akiya
Nagoya University, Japan



You will not find anything simpler than Matlab, although you may find
something less expensive. The "spectrum" m-file in Matlab's signal
processing toolbox will do exactly what you want without modification.

Bob Kirsch

Robert F. Kirsch, Ph.D. e-mail: rfk3@po.cwru.edu
Case Western Reserve University voice: (216) 778-4139
Cleveland VA FES Center FAX: (216) 778-4259
MetroHealth Medical Center
2500 MetroHealth Drive, Hamann 640
Cleveland, OH 44109

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