From inside the book
Results 1-5 of 91
Page 9
... regions or their meteorological equivalent , to obtain sample refractive index distributions . ( 5 ) Conduction of meteoro- logical weather analysis concurrently with functions under ( 3 ) and ( 4 ) . ( 6 ) Sponsorship of further ...
... regions or their meteorological equivalent , to obtain sample refractive index distributions . ( 5 ) Conduction of meteoro- logical weather analysis concurrently with functions under ( 3 ) and ( 4 ) . ( 6 ) Sponsorship of further ...
Page 10
... regions . 2. Measurements of absorption of K - band radia- tion by atmospheric moisture in various forms and by dust or other scatterers . 3. Study of the effects of the earth's land and water surface on propagation . a . Determination ...
... regions . 2. Measurements of absorption of K - band radia- tion by atmospheric moisture in various forms and by dust or other scatterers . 3. Study of the effects of the earth's land and water surface on propagation . a . Determination ...
Page 11
... tactical exploitation of nonstandard propagation in that region . A member of the State College of Washington group working under this contract was loaned to the NRL staff to assist in an experiment at Antigua CONTRACTS AND PROJECTS 11.
... tactical exploitation of nonstandard propagation in that region . A member of the State College of Washington group working under this contract was loaned to the NRL staff to assist in an experiment at Antigua CONTRACTS AND PROJECTS 11.
Page 14
... region considered likely to yield results useful in the opera- tional theaters . This experiment would require con ... regions in war theaters , particularly near the Chinese north- east coast 14 CHRONOLOGICAL RECORD.
... region considered likely to yield results useful in the opera- tional theaters . This experiment would require con ... regions in war theaters , particularly near the Chinese north- east coast 14 CHRONOLOGICAL RECORD.
Page 15
... region and radar performance . It was expected that this would provide a good test of equipment and methods under tropical conditions and that the information obtained would apply in other similar regions . 5. An experiment was proposed ...
... region and radar performance . It was expected that this would provide a good test of equipment and methods under tropical conditions and that the information obtained would apply in other similar regions . 5. An experiment was proposed ...
Common terms and phrases
altitude angle antenna attenuation azimuth band Chapter Committee on Propagation computed coverage diagram CUDWR curvature curve decibels decrease diffraction diffraction region distance Division 14 Report earth earth radius effects electromagnetic equation equipment errors experiments factor FEET field intensity field strength forecasting free space frequency functions gradient ground h₁ h₂ height horizontal humidity index of refraction JEIA land layer line of sight lobe maximum measurements meter method microwave miles modes moisture NDRC nomogram nonstandard propagation NRSL obtained operational optical OSRD permanent echoes plane polarization problem radar cross section Radio Propagation Radio Waves radius range receiver reflection coefficient refractive index region Research signal strength Snell's law standard atmosphere standard propagation superrefraction surface target temperature inversion theory tion transmitter Tropospheric United variations vertical water vapor Wave Propagation Wave Propagation Group wavelength weather X band zone