MEASUREMENTS OF THE TRANSIT-TIME OF PULSE SIGNALS IN A SHALLOW SEA

被引:0
作者
KOZELSKII, AR
MAZANNIKOV, AA
MIGULIN, AA
PETNIKOV, VG
SHMELEV, AY
机构
关键词
D O I
暂无
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The ocean medium is probed with an acoustic pulse signal having a frequency bandwidth Delta f=70 Hz and a pulse duration tau=40 s over a stationary acoustic range of 13.8 km in a shallow sea; the duration of the experiment is 1.75 h. The response function of the medium is observed to undergo only slight fluctuations, preserving its basic structure throughout the entire experiment. The fluctuations of the signal transit time do not exceed a few milliseconds.
引用
收藏
页码:451 / 453
页数:3
相关论文
共 50 条
  • [31] ANALYSIS AND DEVELOPMENT OF AC BIOSUSCEPTOMETER FOR OROCECAL TRANSIT-TIME MEASUREMENTS
    BAFFA, O
    OLIVEIRA, RB
    MIRANDA, JRA
    TRONCON, LEA
    MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING, 1995, 33 (03) : 353 - 357
  • [32] MULTIPLEXED RECEIVER FOR 2 MHZ TRANSIT-TIME MEASUREMENTS FOR IMPLANTATION
    POORE, ER
    ULTRASONIC IMAGING, 1979, 1 (02) : 185 - 188
  • [33] USE OF GALLIUM PHOSPHIDE DIODE FOR TRANSIT-TIME MEASUREMENTS ON PHOTOMULTIPLIERS
    TOLFREE, DWL
    JOURNAL OF SCIENTIFIC INSTRUMENTS, 1964, 41 (12): : 788 - &
  • [34] TRANSIT-TIME AND CHARGE STORAGE MEASUREMENTS IN HEAVILY DOPED EMITTERS
    NEUGROSCHEL, A
    HWANG, BY
    PARK, JS
    IEEE ELECTRON DEVICE LETTERS, 1986, 7 (02) : 83 - 85
  • [35] INTERPRETATION OF MEAN TRANSIT-TIME MEASUREMENTS FOR MULTIPHASE TISSUE SYSTEMS
    ROBERTS, GW
    LARSON, KB
    SPAETH, EE
    JOURNAL OF THEORETICAL BIOLOGY, 1973, 39 (02) : 447 - 475
  • [36] PHARYNGEAL SPASTICITY - TRANSIT-TIME MEASUREMENTS (PRELIMINARY-RESULTS)
    PEREIRA, JG
    GUIMARAES, L
    SEIXAS, M
    PINTO, MM
    AMARAL, I
    CLEMENTE, MP
    EUROPEAN JOURNAL OF NUCLEAR MEDICINE, 1992, 19 (08): : 686 - 686
  • [37] METHOD AND APPARATUS FOR INTERRUPTED TRANSIT-TIME TRANSIENT PHOTOCONDUCTIVITY MEASUREMENTS
    KASAP, SO
    THAKUR, RPS
    DODDS, D
    JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1988, 21 (12): : 1195 - 1202
  • [38] SIMULTANEOUS MEASUREMENTS OF DYNAMIC VALUES USING THE TRANSIT-TIME METHOD
    DAUBARIS, G
    KAUSINIS, S
    RAGAUSKAS, A
    IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1992, 41 (02) : 251 - 255
  • [39] TRANSIT-TIME MEASUREMENTS IN TECHNICAL PLANTS BY USING A MULTICHANNEL ANALYZER
    DEICKE, HH
    FLACHOWSKY, J
    RUDOLPH, KP
    BEIERMANN, N
    ISOTOPENPRAXIS, 1985, 21 (02): : 51 - 53
  • [40] Processing ultrasonic signals to identify fluid contents in transit-time flowmeters
    Eren, H
    Lowe, AM
    Basharan, B
    IMTC 2002: PROCEEDINGS OF THE 19TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS 1 & 2, 2002, : 1491 - 1495