CN100406860C - 雷达物位计中的分离频率检测 - Google Patents

雷达物位计中的分离频率检测 Download PDF

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Publication number
CN100406860C
CN100406860C CN2004800289961A CN200480028996A CN100406860C CN 100406860 C CN100406860 C CN 100406860C CN 2004800289961 A CN2004800289961 A CN 2004800289961A CN 200480028996 A CN200480028996 A CN 200480028996A CN 100406860 C CN100406860 C CN 100406860C
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China
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output
circuit
circuit component
circuit element
clock frequency
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Expired - Fee Related
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CN2004800289961A
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English (en)
Chinese (zh)
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CN1864048A (zh
Inventor
莱夫·尼尔森
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Rosemount Tank Radar AB
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Saab Rosemount Tank Radar AB
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  • Radar Systems Or Details Thereof (AREA)
CN2004800289961A 2003-10-20 2004-10-18 雷达物位计中的分离频率检测 Expired - Fee Related CN100406860C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE03027711 2003-10-20
SE0302771A SE0302771D0 (sv) 2003-10-20 2003-10-20 Separation frequency detection in a radar level gauge
US10/687,927 2003-10-20

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CN1864048A CN1864048A (zh) 2006-11-15
CN100406860C true CN100406860C (zh) 2008-07-30

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CN2004800289961A Expired - Fee Related CN100406860C (zh) 2003-10-20 2004-10-18 雷达物位计中的分离频率检测

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CN (1) CN100406860C (sv)
SE (1) SE0302771D0 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102169140B (zh) * 2010-12-27 2013-04-24 上海贝岭股份有限公司 一种时钟频率检测电路

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1234499A (zh) * 1998-05-05 1999-11-10 恩德莱斯和豪瑟尔两合公司 利用微波实施测量的液位测量装置
US6137438A (en) * 1998-07-22 2000-10-24 Thomas E. McEwan Precision short-range pulse-echo systems with automatic pulse detectors
US6300897B1 (en) * 1999-07-02 2001-10-09 Rosemount Inc. Stabilization in a radar level gauge
CN1437700A (zh) * 1999-10-15 2003-08-20 恩德莱斯和豪瑟尔两合公司 提高时域反射器抗干扰能力的方法和用于实施此方法的电路
US6628229B1 (en) * 2002-08-01 2003-09-30 Rosemount Inc. Stabilization of oscillators in a radar level transmitter
CN1503913A (zh) * 2001-02-14 2004-06-09 ������˹�ͺ�ɪ�����Ϲ�˾ 用于检测集装箱中货物装填程度的装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1234499A (zh) * 1998-05-05 1999-11-10 恩德莱斯和豪瑟尔两合公司 利用微波实施测量的液位测量装置
US6137438A (en) * 1998-07-22 2000-10-24 Thomas E. McEwan Precision short-range pulse-echo systems with automatic pulse detectors
US6300897B1 (en) * 1999-07-02 2001-10-09 Rosemount Inc. Stabilization in a radar level gauge
CN1437700A (zh) * 1999-10-15 2003-08-20 恩德莱斯和豪瑟尔两合公司 提高时域反射器抗干扰能力的方法和用于实施此方法的电路
CN1503913A (zh) * 2001-02-14 2004-06-09 ������˹�ͺ�ɪ�����Ϲ�˾ 用于检测集装箱中货物装填程度的装置
US6628229B1 (en) * 2002-08-01 2003-09-30 Rosemount Inc. Stabilization of oscillators in a radar level transmitter

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Publication number Publication date
CN1864048A (zh) 2006-11-15
SE0302771D0 (sv) 2003-10-20

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