BR112013011079A2 - "método de ajuste de frequência padrão e de tempo baseado no oscilador de rubídio" - Google Patents

"método de ajuste de frequência padrão e de tempo baseado no oscilador de rubídio"

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Publication number
BR112013011079A2
BR112013011079A2 BR112013011079A BR112013011079A BR112013011079A2 BR 112013011079 A2 BR112013011079 A2 BR 112013011079A2 BR 112013011079 A BR112013011079 A BR 112013011079A BR 112013011079 A BR112013011079 A BR 112013011079A BR 112013011079 A2 BR112013011079 A2 BR 112013011079A2
Authority
BR
Brazil
Prior art keywords
frequency
fpga
oscillator
rubidium
time
Prior art date
Application number
BR112013011079A
Other languages
English (en)
Other versions
BR112013011079B1 (pt
Inventor
Baoying Feng
Jie Huang
Jun Chen
Qun Jiao
Yingli He
Original Assignee
Nanjing Nanrui Group
State Grid Electric Power Res Inst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Nanrui Group, State Grid Electric Power Res Inst filed Critical Nanjing Nanrui Group
Publication of BR112013011079A2 publication Critical patent/BR112013011079A2/pt
Publication of BR112013011079B1 publication Critical patent/BR112013011079B1/pt

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/26Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electric Clocks (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

método de ajuste de frequência padrão e de tempo baseado no oscilador de rubídio. a presente invenção refere-se a um método de ajuste de frequência padrão e de tempo com base no oscilador de rubídio, em que depois de o oscilador atômico de rubídio ser selecionado como a fonte de frequência de referência, o fpga realizará a multiplicação da frequência e a divisão da frequência desta fonte de frequência de referência para obter os sinais pps localmente gerados. o fpga também irá adotar os sinais pps de entrada externamente como referência para realizar a operação de medição de diferença de fase dos sinais pps intrínsecos. a diferença de fase medida será atribuída a um registrador especificado dentro do fpga e transmitida para o arm por meio de um barramento de dados. o arm irá calcular a mudança da diferença de fase entre os sinais pps intrínsecos e os sinais pps de entrada externamente com o tempo, e então, a diferença de frequência entre o oscilador atômico de rubídio e a frequência padrão externa, dessa maneira. a diferença de frequência calculada pelo arm será retornada para o fpga por meio de barramento de dados. de acordo com a tal diferença de frequência recebida, o fpga irá desempenhar a operação de ajuste de frequência do oscilador atômico de rubídio, para que as frequência de saída deste oscilador seja rastreada para a fonte da referência de frequência e de tempo de nível superior e sincronizada para a mesma. o efeito benéfico desta invenção é fornecer sinais de tempo de alto desempenho, alta estabilidade e alta precisão.
BR112013011079-1A 2010-11-11 2011-11-09 Método de ajuste de frequência padrão e de tempo baseado no oscilador de rubídio BR112013011079B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201010543522.8 2010-11-11
CN2010105435228A CN102064827B (zh) 2010-11-11 2010-11-11 基于铷振荡器的标准频率与时间调整方法
PCT/CN2011/081992 WO2012062207A1 (zh) 2010-11-11 2011-11-09 基于铷振荡器的标准频率与时间调整方法

Publications (2)

Publication Number Publication Date
BR112013011079A2 true BR112013011079A2 (pt) 2016-08-23
BR112013011079B1 BR112013011079B1 (pt) 2020-12-22

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Family Applications (1)

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BR112013011079-1A BR112013011079B1 (pt) 2010-11-11 2011-11-09 Método de ajuste de frequência padrão e de tempo baseado no oscilador de rubídio

Country Status (3)

Country Link
CN (1) CN102064827B (pt)
BR (1) BR112013011079B1 (pt)
WO (1) WO2012062207A1 (pt)

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CN102064827B (zh) 2012-11-21
WO2012062207A1 (zh) 2012-05-18
WO2012062207A9 (zh) 2013-06-06
CN102064827A (zh) 2011-05-18
BR112013011079B1 (pt) 2020-12-22

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