AN INVESTIGATION OF PHOTOGRAPHIC TECHNIQUES FOR THE RECORDING OF MISSILE FLIGHT
Abstract
Aspects of missile contrast prediction were studied. Data for prediction are available. A preliminary analysis indicates that the object contrast will be high for most situations. Prediction of resolution loss in the atmosphere due to differential refraction (seeing) is further from completion than the other phases. A reliable upper limit to resolution loss was obtained which should prove useful in determining adequate photographic conditions for actual operations. Analysis of the micrometeorological variables yielded profiles of thermal turbulence for all the sites for a limited number of days. These profiles show that thermal turbulence decreases far more slowly with height than was previously assumed. A revised calibration procedure was developed for the thermal turbulence meter. A number of helicopter flights with a point source lamp were undertaken. An investigation was undertaken of the radiometric relationships that pertain to prediction of photographic contrast of an extended object against a sky background. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 15, 1956
- Accession Number
- AD0267776
Entities
People
- F.d. Smith
- W.r.j. Brown
Organizations
- Boston University