Accession Number : AD0780722

Title :   A High Frequency Burst Signal Processor for Laser Velocimeter Applications.

Descriptive Note : Interim rept. 26 Aug 71-30 Jun 73,

Corporate Author : PURDUE UNIV LAFAYETTE IND SCHOOL OF MECHANICAL ENGINEERING

Personal Author(s) : Zammit,Ronald E. ; Pedigo,Michael K. ; Stevenson,Warren H.

Report Date : 31 JAN 1974

Pagination or Media Count : 47

Abstract : Different types of Laser Doppler Anemometer (LDV) processors are discussed. The electronic circuit for a Doppler burst processor developed at Purdue University is described in detail. In use with a differential Doppler LDV optical system, this circuit provide a data rate up to 100 KHz, with a maximum of 100 MHz. Doppler frequency, results of preliminary velocity measurements in a two-dimensional transonic nozzle are presented. (Author)

Descriptors :   *Laser velocimeters, *Signal processing, Nozzle gas flow, Transonic flow, Two dimensional flow, Doppler effect, Spectrum analyzers

Subject Categories : Test Facilities, Equipment and Methods
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE