共 7 条
- [1] PROPAGATION OF AUDIO-FREQUENCY RADIO WAVES TO GREAT DISTANCES [J]. NATURE, 1956, 177 (4516) : 930 - 933
- [2] LASSEN K, 1958, COMMUNICATIONS MAGNE
- [4] RAMO S, 1953, FIELDS WAVES MODERN, P315
- [5] RIVAULT R, 1956, 191 LAB NAT RAD NOT
- [6] THE ATTENUATION VS FREQUENCY CHARACTERISTICS OF VLF RADIO WAVES [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1957, 45 (06): : 768 - 771
- [7] THE MODE THEORY OF VLF IONOSPHERIC PROPAGATION FOR FINITE GROUND CONDUCTIVITY [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1957, 45 (06): : 760 - 767