Accession Number : AD0278705

Title :   LOCATION OF HF RADIO STATIONS FROM THEIR FADING CHARACTERISTICS

Corporate Author : POLYTECHNIC INST OF BROOKLYN N Y MICROWAVE RESEARCH INST

Personal Author(s) : LAEMMEL,ARTHUR E.

Report Date : 19 OCT 1961

Pagination or Media Count : 1

Abstract : A method is described for obtaining complete or partial information concerning the location of a radio transmitter. Determination of the direction of arrival of the signal is not necessary,ALTHOUGH SUCH INFORMATION WOULD NATURALLY IMPROVE THE ACCURACY OF THE PROCESS. Observations are made at one receiving station of the fluctuations of carrier level of AM signals. The main emphasis has been on ionospherically propagated signals in the range 3-30 mc. The approach used is statistical, and is formally similar to other current projects which come under the heading of 'pattern recognition'. (Author)

Descriptors :   AMPLITUDE MODULATION, ANALYSIS OF VARIANCE, BESSEL FUNCTIONS, HIGH FREQUENCY, STATISTICAL PROCESSES, TARGET RECOGNITION

Distribution Statement : APPROVED FOR PUBLIC RELEASE