共 50 条
- [4] Generation of low-frequency Rayleigh waves by heavy lorries [J]. JOURNAL OF LOW FREQUENCY NOISE & VIBRATION, 1995, 14 (04): : 165 - 172
- [5] LOW-FREQUENCY SINE WAVE OSCILLATOR [J]. INTERNATIONAL JOURNAL OF ELECTRONICS, 1973, 35 (05) : 685 - 690
- [6] PROPAGATION AND GENERATION OF LOW-FREQUENCY ELECTROMAGNETIC WAVES IN THE UPPER ATMOSPHERE [J]. USPEKHI FIZICHESKIKH NAUK, 1960, 72 (02): : 235 - 271
- [7] STABLE, INEXPENSIVE, LOW-FREQUENCY SINE WAVE GENERATOR USING DIGITAL-TECHNIQUES [J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1979, 50 (08): : 1010 - 1012