共 50 条
- [41] SOFTWARE SMOOTHES AMPLIFIER GAIN AND NOISE-LEVELS [J]. MICROWAVES & RF, 1994, 33 (13) : 217 - 217
- [43] VEHICLE NOISE-LEVELS IN FREELY FLOWING TRAFFIC [J]. JOURNAL OF SOUND AND VIBRATION, 1974, 34 (04) : 560 - 561
- [44] FURTHER OBSERVATIONS ON NOISE-LEVELS IN INFANT INCUBATORS [J]. PEDIATRICS, 1979, 63 (01) : 100 - 106
- [45] NOISE-LEVELS IN POTATO HANDLING AND PACKING OPERATIONS [J]. AMERICAN POTATO JOURNAL, 1974, 51 (09): : 304 - 304
- [47] BACKGROUND NOISE-LEVELS IN UNITED-KINGDOM [J]. JOURNAL OF SOUND AND VIBRATION, 1976, 48 (03) : 359 - 375
- [50] NOISE-LEVELS IN VICINITY OF A GENERAL AVIATION AIRPORT [J]. CASI TRANSACTIONS-CANADIAN AERONAUTICS AND SPACE INSTITUTE, 1975, 8 (02): : 51 - 71