Definition of db
Download
1 / 23

definition of dB - PowerPoint PPT Presentation


  • 83 Views
  • Uploaded on

definition of dB. * dB obs is calculated as the deviation from 12-hour tr -moving average of observed IMF in GSE coordinate. * dB exp is calculated from the model in IMF coordinate as. For  t =0. For  t =1. then converted to the GSE coordinate. Conversion of co-ordinate. Z gse.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' definition of dB' - tehya


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Definition of db
definition of dB

* dBobs is calculated as the deviation from 12-hour tr-moving average

of observed IMF in GSE coordinate.

* dBexp is calculated from the model in IMF coordinate as

For t=0

For t=1

then converted to the GSE coordinate


Conversion of co ordinate
Conversion of co-ordinate

Zgse

Yimf

Zimf

IMF co-ordinate

Ximf is in Xgse-Ygse plane

Yimf is pointing north ward, and in Zimf-Zgse plane

Ximf

Ygse

Xgse


2006 mcmurdo
2006 McMurdo

Select time period that

sector was same

in past 12 hour




2006 all station
2006all station


2003 all station
2003all station


2001 all station
2001all station


Apr 2001
Apr 2001

From McMurdo only t=0

From all station t=0


April 2001
April 2001

From all station t=0

From all station t=1


August 2001
August 2001

From all station t=0

October 2001

From all station t=0


August 2003
August 2003

From all station t=0

October 2003

From all station t=0


November 2006
November 2006

December 2006


Definition of db1
definition of dB

* dBobs is calculated as the deviation from 12-hour tr-moving average

of observed IMF in GSE coordinate.

For n=0

* dBexp is calculated from the model in IMF coordinate as

For n=1

For any n

then converted to the GSE coordinate


2001 all station1
2001all station


August 20011
August 2001

From all station nt=0


August 20012
August 2001

From all station nt=0

Away

Toward


August 20013
August 2001

From all station nt=3


August 20014
August 2001

From all station nt=6


Mar 2001
Mar 2001

From all station nt=0


Mar 20011
Mar 2001

From all station nt=3


Mar 20012
Mar 2001

From all station nt=6


ad