Journal of Research of the National Bureau of Standards, Volume 88U.S. Department of Commerce, National Bureau of Standards, 1983 |
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... law of this Department . of funds for printing this periodical has been approved by the Director of the Office of Management and Budget through April 1 , 1985 . 1. Introduction Cesium beam atomic clocks have an accuracy of.
... law of this Department . of funds for printing this periodical has been approved by the Director of the Office of Management and Budget through April 1 , 1985 . 1. Introduction Cesium beam atomic clocks have an accuracy of.
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... Beam Atomic Clocks - P . V. Tryon and R. H. Jones 3 Estimating Time From Atomic Clocks - R . H. Jones and P. V. Tryon . 17 Measurement Assurance Program Transmittance Standards for Spectrophotometer Linearity Testing : Preparation and ...
... Beam Atomic Clocks - P . V. Tryon and R. H. Jones 3 Estimating Time From Atomic Clocks - R . H. Jones and P. V. Tryon . 17 Measurement Assurance Program Transmittance Standards for Spectrophotometer Linearity Testing : Preparation and ...
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... Beam Atomic Clocks Peter V. Tryon * and Richard H. Jones ** National Bureau of Standards , Boulder , CO 80303 August 2 , 1982 This paper is intended to serve as an introduction to the use of the Kalman filter in modeling atomic clocks ...
... Beam Atomic Clocks Peter V. Tryon * and Richard H. Jones ** National Bureau of Standards , Boulder , CO 80303 August 2 , 1982 This paper is intended to serve as an introduction to the use of the Kalman filter in modeling atomic clocks ...
Page 3
... Beam Atomic Clocks Peter V. Tryon * and Richard H. Jones ** National Bureau of Standards , Boulder , CO 80303 August 2 , 1982 This paper is intended to serve as an introduction to the use of the Kalman filter in modeling atomic clocks ...
... Beam Atomic Clocks Peter V. Tryon * and Richard H. Jones ** National Bureau of Standards , Boulder , CO 80303 August 2 , 1982 This paper is intended to serve as an introduction to the use of the Kalman filter in modeling atomic clocks ...
Page 17
... beam atomic clocks have an accuracy of a few parts in 101 over a period of a day ; however , they are not deterministic and undergo stochastic variations in both time and frequency . It was shown by Tryon and Jones [ 1 ] that the actual ...
... beam atomic clocks have an accuracy of a few parts in 101 over a period of a day ; however , they are not deterministic and undergo stochastic variations in both time and frequency . It was shown by Tryon and Jones [ 1 ] that the actual ...
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absorbed dose accelerometer analysis application Aroclor atomic atomic clocks Available beam biweight Bureau of Standards calculated calibration calorimeter Chem chemical chromospheres clock CoCo(hcp coefficient constant coulometric cryostat curves densimeter density detector determined developed dielectric constant discussed drift effects electrical electron energy engineering equation error estimated evaluation experimental field Figure filter fire flow frequency function heat Key words laboratory laser liquid magnetic maser materials measurements mechanical methane method molecular National Bureau Natl NBSIR neutron NTIS nuclear orientation observed obtained optical paper parameters particle performance photomasks photon Phys pipe polystyrene pressure Proc procedures properties radiation range refractive index resonance sample scattering solid specimen spectra standard deviation structure superconducting surface techniques temperature thermal thermistor thermodynamic thermometry transition transmittance uncertainty values velocity vertex-transitive graph voltage wavelength y-RA thermometers y-ray
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Page 239 - Monographs — Major contributions to the technical literature on various subjects related to the Bureau's scientific and technical activities. Handbooks — Recommended codes of engineering and industrial practice (including safety codes) developed in cooperation with interested industries, professional organizations, and regulatory bodies. Special Publications — Include proceedings of conferences sponsored by NBS.
Page 372 - Standards' was established by an act of Congress March 3, 1901. The Bureau's overall goal is to strengthen and advance the Nation's science and technology and facilitate their effective application for public benefit. To this end, the Bureau conducts research and provides...
Page 239 - National Standard Reference Data Series — Provides quantitative data on the physical and chemical properties of materials, compiled from the world's literature and critically evaluated.
Page 90 - A special series of interim or final reports on work performed by NBS for outside sponsors (both government and non-government). In general, initial distribution is handled by the sponsor; public distribution is by the National Technical Information Services (Springfield, Va.
Page 354 - Commission" means the Federal Trade Commission. (c) As soon as practicable after the date of enactment of this Act, the National Bureau of Standards shall develop test procedures for the determination of substantial equivalency of re-refined or otherwise processed used oil or blend of oil, consisting of such re-refined or otherwise processed used oil and new oil or additives, with new oil for a particular end use.
Page 90 - Studies or reports which are complete in themselves but restrictive in their treatment of a subject. Analogous to monographs but not so comprehensive in scope or definitive in treatment of the subject area. Often serve as a vehicle for final reports of work performed at NBS under the sponsorship of other government agencies.
Page 239 - ... these efforts; builds and maintains competence in the necessary disciplines required to carry out this research and technical service; develops engineering data and measurement capabilities; provides engineering measurement traceability services; develops test methods and proposes engineering standards and code changes; develops and proposes new engineering practices; and develops and improves mechanisms to transfer results of its research to the utlimate user. The Laboratory consists of the...
Page 304 - The second is the duration of 9, 192, 631, 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium- 133 atom (13th CGPM, 1967).