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Author:
Publisher:
ISBN:
Category : Atomic clocks
Languages : en
Pages : 12
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Book Description
Author:
Publisher:
ISBN:
Category : Atomic clocks
Languages : en
Pages : 12
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Book Description
Author:
Publisher:
ISBN:
Category : Atomic clocks
Languages : en
Pages : 8
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Book Description
Author: James Jespersen
Publisher:
ISBN:
Category : Clocks and watches
Languages : en
Pages : 175
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category :
Languages : en
Pages : 68
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Book Description
Author: James Allen Barnes
Publisher:
ISBN:
Category : Time measurements
Languages : en
Pages : 96
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 484
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Author: John B. Milton
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ISBN:
Category : Frequency standards
Languages : en
Pages : 28
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Author: D. W. Allan
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ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Coincident with the installation of a new measurement system, the national Bureau of Standards has also developed a new philosophy for the generation of both UTV(NBS) and atomic time, TA(NBS). Several benefits have resulted from this new direction. First, a more uniform UTC(NBS) scale was achieved in order to meet the increased requirements of our users. Second, improved synchronization of UTC(NBS) with UTC (Universal Time Coordinated) has been achieved. The frequency stability of UTC(NBS) is typically about 1 x 10 to the minus 14th power for averaging times of one day and longer and synchronism is now maintained to within about 1 microsecond of UTC indefinitely. Previously five microseconds was a realistic goal. Third, a new Kalman type algorithm with more robust performance is used to generate TA(NBS) totally independent of the generation of UTC(NBS). Fourth, a significantly improved working time and frequency reference is readily available. And fifth, a very stable frequency reference is obtained by using all of the clocks available in the NBS clock ensemble.
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 154
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Author: William A. Ganter
Publisher:
ISBN:
Category : Atomic clocks
Languages : en
Pages : 44
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Book Description
