Lecture 8 
Lecture 9 
Lecture 10 
7.2 
PLOPAGAblOny <A ome avawie ey eran en cuisncerh oh etleteue] Haka teticer spo 
(23 :Signall /PLOCESSINGH., areuoileieversuenet eee roe een an see 
UZS COUMEBSMEASINRES Go oo no co 0ddaDD 00D DDONDG 
INTERNAL WAVES 
JENGreaset uisren a ce tetebetecicverias Swine) or cc Ge penitent eens 
atl CHC eeaneadi ore aion ct so eiptor oes. oh nae Olea NG 66, Bret otio ONG 
9.1 
9.2 
9.3 
SCALE-MODEL STUDY OF PROPAGATION IN SHALLOW SEAS: 
A VISUAL METHOD OF REPRESENTATION OF LOW-INTENSITY 
Generation of High Acoustic Power........ 0000 
9.1.1 Continuous Wave Transducers ........... 
Qo a IUIge IWmamMeGleerS 45g60560000000000000 
Measurement of High Sound Intensities ......... 
Properties of Liquids Exposed to High Sound 
INtCNSICLES ERM Wee kei MCMen lien iCn ite monet 
9.3.1 Increase of Sound Absorption............ 
9.3.2 Generation of Higher Harmonics.......... 
9.3.3 Generation of Shock Waves by Collapsing 
CaNAHIES oo on ao sooo ono DOOD Doo00d000 
SEIZE HSS loxorentiayer (OT MSHavoVel< WENES5 55 6a550000000 
eslod) SOMOVMETMITNATCSNES gogoococdDdoono DOOD 
SOUND FIELDS 
ASBsiWoodh) scusweWtou. sce etneiet sapien cctedem ce tan eucthoWe nou. wom 
10.1 
10.2 
10.3 
10.4 
IMGrEOCUCELONMwaNeHenencHen ini ment nN Men mn An aN 
10.1.1 The Scale of the Model Experiments ...... 
Experimental—"Point-by-Point" Method ........ 
10.2.1 Directional Properties and Depth 
Of anSimikter amen cael na aenl Mien nomi ital 
10.2.2 Range from Transmitter to Receiver 
Weriesl so alcogcbooopdsonopaoGogan06 
10.2.3 Effects of Varying Nature of Bottom 
Glatal leREC SMG Oe SOWING] 566505055 0000000 
NOVAS WiavenEtiectSiewel a icucne cde en atm noeemcar 
UO) WSiaayorsree ti waRS ICES 4 gs 050000000 GDC OS 
NO AGG IDiejouln OF WASP s 5 oop oon nooo oD add OGD 
Visual Observation of Sound Distribution 
OnithesBottomlandisurialccewew-weleteieiei pean acne-ienicne 
"Picture" Records of Sound Distribution in 
Vertical Cross Sections of "Open" Water—Scanning 
NOt INEwERS OF IBOWFON 7 on 000 Dano edDoD KO DOD 
UO Gro IDEN Ot WES. op DO DoDD DDO a ODDD OOS 
NOP) Wenelienmveda OF Soul 5 o565000000000000 
HOAs Were oeraetaoRS Ok WEES 565005 0060000000 
Oka oy Directional muransmiSS1Onewllmeicic imine 
126 
127 
127 
139 
139 
140 
142 
146 
146 
146 
148 
151 
154 
159 
161 
166 
167 
167 
167 
169 
iil 
172 
173 
175 
180 
181 
187 
187 
187 
129 
139 
159 
