共 50 条
- [21] SIGNAL FREQUENCY INSTABILITY OF EMERGENCY RADIO BUOYS MEASUREMENT TECHNIQUES USSR, 1993, 36 (03): : 280 - 284
- [23] A Complete Ensemble Empirical Mode Decomposition for GPR Signal Time-frequency Analysis RADAR SENSOR TECHNOLOGY XVIII, 2014, 9077
- [24] The effect of the passband of frequency comparators on the error of measurements of the frequency instability of frequency and time standards Measurement Techniques, 2009, 52 : 1189 - 1194
- [25] AUTOMATIC FREQUENCY TUNING CIRCUITS OF PASSIVE HYDROGEN FREQUENCY STANDARDS MEASUREMENT TECHNIQUES USSR, 1991, 34 (07): : 682 - 685
- [28] Interference Suppression of Passive Hydrogen Frequency Standards Measurement Techniques, 2019, 62 : 47 - 53
- [29] ANALYSIS OF THE FREQUENCY-EXCHANGE EFFECT ON THE SIGNAL OF UNSTEADY ACTIVE SPECTROSCOPY OPTIKA I SPEKTROSKOPIYA, 1986, 61 (06): : 1201 - 1208