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1、 31 null 92010M 9N N V Chinese JournalofScientific InstrumentVolnull31 Nonull9Sep. 2010null l : 2010null05null null ReceivedDate: 2010null05null * : S E 8639 (2007AA09Z124); S n p V ( 20070217022); W : v 1 S ; / ? / S S / L i 7 b 5 5 ; n S n (HEUCFR1012) OMAP3530 2 /; B 8 d *周null 天1, 2, 徐null 剑2, 李
2、海森2, 魏null 波3, 胡洪涛2( 1null W : v / ? / S S / L i null W : null 150001;2null W : v 2 / L i null W : null 150001)K null 1 : 1 OMAP3530 ? DSP / 2 /; B 8 d L C , DSP L C 0 nullM _ E , DSP 9 PowerVR OpenGL ESo L C 2 , ARM L C ; m # ! ! ,i QT /E! 9 2 m ; H L H AU b Z s ? OMAP) ? b d L r ) , d / Z / S 5 b1
3、 o M : / 2 ; / ; ; OMAP3530; QT /E; / S m s | : TB57null null D S M : Anull null S E S S s : 420. 60Integration of an underwater acoustic and optical imaging systembased onOMAP3530Zhou Tian1, 2, Xu Jian2, LiHaisen2, W eiBo2, HuHongtao2(1NationalDefenceKeyLaboratory ofAutonomous UnderwaterVehicleTech
4、nology, HarbinEngineeringUniversity, Harbin150001, China;2 ScienceandTechnology onUnderwaterAcousticLaboratory, HarbinEngineering University, Harbin150001, China)Abstract: This paper introduces the design of an underwater acoustic/optical integrated imaging system, which renullspectively uses theDSP
5、 core to implement themultinullsubarray amplitudenullphase united detection algorithm, uses theOpenGL ES library run in the PowerVR core to realize the reconstruction of the 3nullD acoustic image based on thedepth values from theDSP core, uses theARM core to realize the data collections of the optic
6、al image and from penullripheral equipmen,t and displays the acoustic and optical images on themannullmachine interface designed w ithQT /Esoftware. Theproposed system scheme sufficiently utilizes thepower of the three cores in OMAP3530 processor. Thesystem was used to effectively process the experi
7、ment data from the Songhua Lake and exhibited a stable status,which verifies the validity of the system scheme and the advancement of the technical performance.Key words: underwater acoustic imaging; underwater optical imaging; OMAP3530; Qt embedded; underwater tarnullgetdetection2116null N null nul
8、l N null V null null 3 11null null null - S = / S 1 | Z E : B ; 1null2, Y V ; v 8 V Q ; A U 8 V C ; m , ; N / S ; v , ! ! 8 l a b aa 4 b K , ; G ; = 2 3null4, Y V 2 o S V o 9 S j , 7 S 2 , 2 ! ! o N a 2 ( b Z E , / ; G , s Oq , a % b - , / ; d X 1 5,7 / 2 d L C i B t 4 , 1 S s O q 9 E L C 2 m LH A U
9、 Z , - D ; 6 C54DSPi ) L C 0 nullM _ E 6,7 2 m A U 5 B PC L C 7bV n ,X Z ? a b S N K w c ARMaDSPaPowerVR OMAP3530 ? ) 4 / 2 /; B 8 d L C Z ,v v 4 d bN d ? H Y % p , V L ) N d r b2null d Z d ) TI w OMAP3530, = 600MHz ARM nullA8 a430MHz C64+ DSP , # a 3D y PowerSGX530) 8, d 9 8 m 1 U b DSP 3 2 0 nullM _ E L C aPowerVR 3 2 aARM 3 ; m # L
