David W. Allan
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Physics
David W. Allan's Degrees
- PhD Physics University of Colorado Boulder
- Masters Physics University of Colorado Boulder
- Bachelors Physics University of Colorado Boulder
Why Is David W. Allan Influential?
(Suggest an Edit or Addition)According to Wikipedia, David Wayne Allan is an American atomic clock physicist and author of the Allan variance, also known as the two-sample variance, a measure of frequency stability in clocks, oscillators and other applications. He worked for the National Bureau of Standards in Colorado.
David W. Allan's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Statistics of atomic frequency standards (1966) (2297)
- Time and Frequency (Time-Domain) Characterization, Estimation, and Prediction of Precision Clocks and Oscillators (1987) (762)
- Accurate Time and Frequency Transfer During Common-View of a GPS Satellite (1980) (374)
- A Modified "Allan Variance" with Increased Oscillator Characterization Ability (1981) (257)
- A statistical model of flicker noise (1966) (215)
- Should the classical variance be used as a basic measure in standards metrology? (1987) (194)
- A Method for Estimating the Frequency Stability of an Individual Oscillator (1974) (141)
- INTERNATIONAL REPORTS: Technical Directives for Standardization of GPS Time Receiver Software: to be implemented for improving the accuracy of GPS common-view time transfer (1994) (123)
- A frequency-domain view of time-domain characterization of clocks and time and frequency distribution systems (1991) (120)
- Measurements of frequency stability (1986) (109)
- Measurement of the Unperturbed Hydrogen Hyperfine Transition Frequency (1970) (105)
- Standard terminology for fundamental frequency and time metrology (1988) (100)
- The secular variation of the earth's magnetic field (1966) (93)
- Picosecond Time Difference Measurement System (1975) (91)
- On the behaviour of systems of coupled dynamos (1962) (86)
- Millisecond Pulsar PSR 1937+21: A Highly Stable Clock (1987) (77)
- Around-the-World Relativistic Sagnac Experiment (1985) (70)
- Practical implications of relativity for a global coordinate time scale (1979) (70)
- Characterization of Clocks and Oscillators (2017) (69)
- The measurement of frequency and frequency stability of precision oscillators (1975) (56)
- Accuracy of International Time and Frequency Comparisons via Global Positioning System Satellites in Common-View (1985) (55)
- A Study Of The NBS Time Scale Algorithm (1988) (55)
- An Intercomparison of Hydrogen and Cesium Frequency Standards (1966) (52)
- The NIST Automated Computer Time Service (1989) (45)
- The National Bureau of Standards Atomic Time Scale: Generation, Stability Accuracy, and Accessibility (1974) (39)
- Statis-tics of time and frequency data analysis (1974) (35)
- Clock Characterization Tutorial (1984) (33)
- Results on limitations in primary cesium standard operation (1976) (32)
- VARIANCES BASED ON DATA WITH DEAD TIME BETWEEN THE MEASUREMENTS (1990) (32)
- An NBS calibration procedure for providing time and frequency at a remote site by weighting and smoothing of GPS common view data (1987) (31)
- Historicity, strengths, and weaknesses of Allan variances and their general applications (2016) (29)
- NBS-4 and NBS-6: The NBS Primary Frequency Standards (1977) (28)
- Coordinate Time On and Near the Earth (1984) (28)
- In search of the best clock (1988) (27)
- An Accuracy Algorithm for an Atomic Time Scale (1975) (25)
- Optimal Time and Frequency Transfer Using GPS Signals (1982) (24)
- Time and frequency (2021) (23)
- Distortion of a Toroidal Field by Convection (1958) (22)
- The melting of asteroids and the origin of meteorites (1956) (22)
- New inexpensive frequency calibration service from NIST (1990) (21)
- Stochastic models for atomic clocks (1983) (21)
- Accuracy Evaluation and Stability of the NBS Primary Frequency Standards (1974) (21)
- The National Bureau of Standards Atomic Time Scales: Generation, Dissemination, Stability, and Accuracy (1972) (21)
- GPS time transfer with implementation of selective availability (1990) (16)
- Precision and Accuracy of Remote Synchronization via Network Television Broadcasts, Loran-C, and Portable Clocks (1972) (16)
- A Contribution to the Standardization of GPS and GLONASS Time Transfers (1996) (16)
- Time and Frequency Metrology: Current Status and Future Considerations (1991) (15)
- The Age of the Earth from Lead Isotope Abundances (1955) (15)
- Time-Domain Spectrum of GPS SA (1993) (14)
- Time Transfer Using Nearly Simultaneous Reception Times of a Common Transmission (1972) (14)
- Time Scale Stabilities Based on Time and Frequency Kalman Filters (1985) (14)
- Frequency and time stability of GPS and GLONASS clocks (1990) (13)
- Comparison of Time Scales Generated with the NBS Ensembling Algorithm (1987) (13)
- TIME DEVIATION AND TIME PREDICTION ERROR FOR CLOCK SPECIFICATION, CHARACTERIZATION , AND APPLICATION (1978) (13)
- Comments on the October 1970 Metrologia Paper "The U.S. Naval Observatory Clock Time Reference and the Performance of a Sample of Atomic Clocks" (1971) (13)
- The NBS-A Time Scale-Its Generation and Dissemination (1965) (12)
- A Historical Perspective on the Development of the Allan Variances and Their Strengths and Weaknesses (2016) (12)
- The effect of humidity on commercial cesium beam atomic clocks (1988) (12)
- A Study of Long-Term Stability of Atomic Clocks (1987) (11)
- A Note on the Lead Isotope Method of Age Determination. (1953) (11)
- Effects of long-term stability on the definition and measurement of short-term stability (1965) (11)
- Report on NBS dual mixer time difference system (DMTD) built for time domain measurements associated with phase 1 of GPS (1976) (11)
- Smart clock: a new time (1992) (11)
- Tutorial: Clock and Clock Systems Performance Measures (1995) (10)
- Confidence on the second difference estimation of frequency drift: a study based on simulation (1992) (9)
- The Realization of the Second (1976) (9)
- Recent Progress on the NBS Primary Frequency Standard (1973) (9)
- Precision oscillators: dependence of frequency on temperature, humidity and pressure (1992) (9)
- ULTRA-ACCURATE INTERNATIONAL TIME AND FREQUENCY COMPARISON VIA AN ORBITING HYDROGEN-MASER CLOCK (1981) (8)
- Recent improvements in the atomic time scales of the National Bureau of Standards (1983) (8)
- Construction and Performance Characteristics of a Prototype NBS/GPS Receiver (1981) (8)
- In Search of the Best Clock — an Update (1989) (8)
- Millisecond Pulsar Rivals Best Atomic Clock Stability (1987) (8)
- An ultra-precise time synchronization system designed by computer simulation (1972) (7)
- Some Causes and Cures of Frequency Instabilities (Drift & Noise) in Cesium Beam Frequency Standards [breaker page] (1977) (7)
- A rubidium frequency standard and a GPS receiver. A remotely steered clock system with good short-term and long-term stability (1990) (7)
- Precision and Accuracy of Remote Synchronization Via Portable Clocks, Loran C, and Network Television Broadcasts (1971) (7)
- Characterization, Optimum Estimation, and Time Prediction of Precision Clocks (1985) (7)
- Coordinate time in the vicinity of the Earth (1985) (7)
- The Ammonia Beam Maser as a Standard of Frequency (1962) (7)
- Unprecedented Syntonization and Synchronization Accuracy via Simultaneous Viewing with GPS Receivers; Construction Characteristics of an NBS/GPS Receiver (1981) (7)
- Some Causes and Cures of Frequency Instabilities (Drift a Noise) in Cesium Beam Frequency Standards (1977) (6)
- Performance, Modeling, and Simulation of Some Cesium Beam Clocks (1973) (6)
- The NIST Digital Time Service (1989) (6)
- Fine-tuning time in the space age (1998) (6)
- New Time and Frequency Services at the National Bureau of Standards (1984) (6)
- GPS Time Steering (1986) (6)
- A Real-Time Prediction of UTC, (1993) (5)
- Using Multiple Reference Stations to Separate the Variances of Noise Components in the Global Positioning System (1986) (5)
- A globally efficient means of distributing UTC time and frequency through GPS (1994) (5)
- Inexhaustible energy (1977) (5)
- UTC(INPL) - a virtual time scale (1995) (5)
- Recent trends in NBS time and frequency distribution services (1986) (5)
- A no-drift and less than 1/spl times/10/sup -13/ long-term stability quartz oscillator using a GPS SA filter (1994) (5)
- An Analysis of a Low Information Rate Time Control Unit (1966) (4)
- The electromotive force generated by driven plasma motions (1976) (4)
- The Motion of a Charged Particle in a Time-varying Axial Magnetic Field (1963) (4)
- Ensemble time and frequency stability or GPS satellite clocks (1988) (4)
- A space system for high-accuracy global time and frequency comparison of clocks (1981) (4)
- Performance of Soviet and US hydrogen masers (1990) (4)
- Toward 10/sup -15/ and sub-nanosecond international frequency and time metrology [using GPS advanced common-view] (1996) (4)
- Continuous, multi-channel, common-view, L1-GPS time-comparison over a 4,000 km baseline (1996) (4)
- Israel's new synchronized time scale UTC (INPL) (1988) (3)
- An Application of Statistical Smoothing Techniques on VLF Signals for Comparison of Time Between USNO and NBS (1972) (3)
- A Coordinate Frequency and Time System (1969) (3)
- CGSIC Subcommittee on Time and CCDS Group of Experts on GPS Standardization (1991) (2)
- National and International Time and Frequency Comparisons (1983) (2)
- Shuttle Experiment to Demonstrate High-Accuracy Global Time And Frequency Transfer (1982) (2)
- A globally efficient and effective means of maintaining the SI second and UTC time (1994) (2)
- New Timing Opportunities with GPS (1998) (2)
- A novel concept for the direct intercomparison of the Allan Variance of frequency standards at the 10-18 level with application to metrology, global communication and navigation. (1997) (2)
- Separating the Variances of Noise Components in the Global Positioning System (1984) (2)
- Time transfer using near-synchronous reception of optical pulsar signals (1972) (2)
- The NBS Atomic Time Scale System: AT(NBS), SAT(NBS), and UTC(NBS) (1970) (2)
- Confidence on the Second Difference Estimation of Drift (1992) (2)
- REMOTE TIME AND FREQUENCY COMPARISONS NOW AND IN THE FUTURE (1990) (1)
- SOME METHODS OF MAINTAINING AND/OR GENERATING TIME AND FREQUENCY AT ARBITRARY POINTS ON SURFACE* OF THE EARTH (1981) (1)
- Navigation and timing accuracy at the 30 centimeter and subnanosecond level (1996) (1)
- The steering of a real time clock to UTC(NBS) and to UTC (1988) (1)
- Some recent progress in microwave frequency and time standards at the NBS (1978) (1)
- Precise time dissemination using the INMARSAT Geostationary Overlay (1993) (1)
- Transcontinental and Intercontinental Portable Clock Time Comparison (1977) (1)
- Report on NBS Dual Mixer Time Difference system (DMTD) built for time-domain measurement associated with phase 1 of GPS (Global Positioning System) (1976) (1)
- Estimating Combined Errors Due to Propagation and Ephemeris and Their Effect on Time and Frequency Transfer (1987) (1)
- RNsm TlwE AND €xlwJBNcY STABILITY (1988) (0)
- Dependence of Frequency on Temperature, Humidity, and Pressure in Precision Oscillators (1992) (0)
- Historicity, strengths, and weaknesses of Allan variances and their general applications (2016) (0)
- Civil GPS Timing Applications (1994) (0)
- SYNCHRONIZATION OF CLOCKS (1989) (0)
- 1993 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (1993) (0)
- and Intercontinental Portable Clock Time Comparison (1978) (0)
- Dual Frequency P-Code Time Transfer Experiment (1987) (0)
- Ovenless, small-size, low-power, IMU/quartz-oscillator ensemble performs like atomic clocks (2011) (0)
- The Variance of Predictability of Hydrogen Masers and of Primary Cesium Standards in Support of a Real Time Prediction of UTC (1994) (0)
- Variance Measures in Metrology (1992) (0)
- Introduction to Special Issue on Frequency Control, Part I (1987) (0)
- Pulsar clock. (1983) (0)
- The New Primary Cesium Beam Frequency Standard: NBS-5 (1974) (0)
- Some statistical properties of LF and VLF propagation (Abstracts of papers presented at XIIIth AGARD-EWP Symp.) (1972) (0)
- T H E Nbs-a T I M E Scale-its Generation and Dissemination the Nbs-a Time Scaie-its Generation and Dissemination (0)
- Is Convection Towards or Away from the Continents (2010) (0)
- The Relative Merits of Atomic Frequency Standards (1967) (0)
- Towards 10 Millimetre Real-Time Position Determination and 30 Picosecond Time-Transfer Capability With the Next-Generation of Global Navigation Satellite Systems (GNSS) (1996) (0)
- Pulsar Clock (1983) (0)
- Proceedings of the Twenty-first Annual Precise Time and Time Interval ( PTTI ) Applications and Planning Meeting (2009) (0)
- CTXO, clever time crystal oscillator (clock) (1999) (0)
- The Impact of the HP 5071A on International Atomic Time. Appendix A (1995) (0)
- Correction to "Measurements of frequency stability" (1986) (0)
- Soviet precision timekeeping research and technology (1991) (0)
- Shuttle time and frequency transfer experiment (1980) (0)
- Extracting Precise (11/2-M) Tactical Positioning Data from LF Radio Transmissions (2006) (0)
- Appendix A: The Impact of the HP 5071A on International Atomic Time (1996) (0)
- A method of reducing the variance in millisecond pulsar timing. (1995) (0)
- High-Accuracy Global Time and Frequency Transfer with a Space-Borne Hydrogen Maser Clock (1982) (0)
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