28 Sep 98. New Solar Irradiance and Instrument Scanning

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1 REPRT DCUMENTATIN PAGE MB N Publi... the lletin S^lnü^!«^' S!?, "!,0 " n " i!" ''ST?" """" ' h0 "* mfma ' inllldi " 8 "",in "'" re win 9 «'""«ins, searhing existing date sures, gathering and maintaining the data needed and mpleting and rviewin ptratiiu lins and Reprts Jeffarsn Davis ighway. Suite 1204, Arlingtn, VA , and t tha ffie f Management and Budget, Paperwrk Redutin Prjet ( , Washingtn, DC ""rmann 1. AGENCY USE NLY (Leave eavehlnnkl ö/ank) I > RnmAT 1 nnx xunr... n..,. 3. REPRT TYPE AND DATES CVERED 4. TITLE AND SUBTITLE Reent Upgrades t MDTRAN Funtins 2. REPRT DATE 28 Sep 98 New Slar Irradiane and Instrument Sanning 6. AUTR(S) P.K. Aharya, A. Berk, L.S. Bernstein, D.C. Rbertsn, G. Andersn*, J.. Chetwynd*,.E. Snell#, and J. Vail** 7. PERFRMING RGANIZATIN NAME(S) AND ADDRESS(ES) Spetral Sienes, In. 99 Suth Bedfrd St., #7 Burlingtn, MA Reprint S. FUNDING NUMBERS PE 63215C PR S321 TAGD WUBS F C PERFRMING RGANIZATIN REPRT NUMBER 9. SPNSRING/MNITRING AGENCY NAME(S) AND ADDRESS(ES) Air Fre Researh Labratry/VSBM 29 Randlph Rd ansm AFB, MA SPNSRING/MNITRING AGENCY REPRT NUMBER AFRL-VS-A-TR SUPPLEMENTARY NTES " Reprinted frm Preedings f the 20th Annual Cnferene n Atmspheri Transmissin Mdels, June 1997 * Air Fre Researh Labratry, ansm AFB, MA. # Atmspheri and Envirnmental Researh, In., Cambridge, MA. ** MEI Tehynlgies, Lexingtn, MA. 12a. DISTRIBUTIN AVAILABILITY STATEMENT I 12b. DISTRIBUTIN E Apprved fr Publi Release; Distributin Unlimited ABSTRACT (Maximum 2 wnts) ~ Reent upgrades are intended t make MDTRAN a mre aurate, nvenient and versatile atmspheri mdeling tl. The urrent default slar irradiane database due t Kuruz was rreted in the nm regin using measured data. Several ther data sets are als made available t the user. The user an als use his/her wn data residing in a file. Examinatin nfirms that the rreted Kuruz data is still the best verall amng all urrently available data sets. MDTRAN an nw be run using frequeny inputs whih are in wavenumber, nm r mirn. Additinally, there is nw the apability f btaining radiane and transmittane whih are nvlved with an aprpriate instrument sanning funtin. Several hies f sanning funtins are available inluding a user-defined ptin. This upgrade is helpful t users wh wuld like t mdel satellite data whih are gathered as a funtin f wavelength and have undergne instrument degradatin. All upgrades are amplished while mamtaining strit mpatibility f TAPE5 with earlier versins f the de. Wrk is urrently in prgress t inrprate NVAM (Navy eani Vertial Aersl Mdels) int MDTRAN. 14. SUBJECT TERMS Atmspheri radiane de Radiane and transmittane Vertial aersl mdels 17. SECURITY CLASSIFICATIN F REPRT Unlassified Slar irradiane data base Instrument sanning funtin 18. SECURITY CLASSIFICATIN F TIS PAGE Unlassified 19. SECURITY CLASSIFICATIN F ABSTRACT Unlassified 15. NUMBER F PAGES 16. PRICE E LIMITATIN F ABSTRACT SAR Standard Frm 298 (Rev. 2-89) (EG) Presribed by ANSI Std Designed using Perfrm Pr, WSIDI0R, t 94

2 ABSTRACT RECENT UPGRADES T MDTRAN - NEW SLAR IRRADIANCE AND INSTRUMENT SCANNING FUNCTINS 20th Annual Air Fre Transmissin Meeting Phillips Labratry/GP ansm AFB, MA P. K. Aharya, A. Berk, L. Bernstein and D. Rbertsn Spetral Sienes, In. 99 S. Bedfrd Street, Suite N. 7 Burlingtn, MA G. Andersn and J. Chetwynd Phillips Labratry/GP ansm AFB, MA E. Snell Atmspheri and Envirnmental Researh, In. Cambridge, MA J. Vail Mei tehnlgies, Lexingtn, MA Reent upgrades are intended t make MDTRAN a mre aurate, nvenient and versatile atmspheri mdeling tl. The urrent default slar irradiane database due t Kuruz was rreted in the nm regin using measured data. Several ther data sets are als made available t the user. The user an als use his/her wn data residing in a file. Examinatin nfirms that the rreted Kuruz data is still the best verall amng all urrently available data sets. MDTRAN an nw be run using frequeny inputs whih are in wavenumber, nm r mirn. Additinally, there is nw the apability f btaining radiane and transmittane whih are nvlved with an apprpriate instrument sanning funtin. Several hies f sanning funtins are available inluding an user-defined ptin. This upgrade is helpful t users wh wuld like t mdel satellite data whih are gathered as a funtin f wavelength and have undergne instrument degradatin. All upgrades are amplished while maintaining strit mpatibility, f TAPE5 with earlier versins, f the de. Wrk is urrently in prgress t inrprate NVAM (Navy eani Vertial Aersl Mdels) int MDTRAN.

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