CA2285643C - Variable microwave cold/warm noise source - Google Patents
Variable microwave cold/warm noise source Download PDFInfo
- Publication number
- CA2285643C CA2285643C CA002285643A CA2285643A CA2285643C CA 2285643 C CA2285643 C CA 2285643C CA 002285643 A CA002285643 A CA 002285643A CA 2285643 A CA2285643 A CA 2285643A CA 2285643 C CA2285643 C CA 2285643C
- Authority
- CA
- Canada
- Prior art keywords
- port
- output
- noise
- noise source
- thermal radiation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000005855 radiation Effects 0.000 claims abstract description 82
- 238000011088 calibration curve Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims 5
- 230000001419 dependent effect Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 15
- 238000013459 approach Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 1
- 241000408529 Libra Species 0.000 description 1
- JXVIIQLNUPXOII-UHFFFAOYSA-N Siduron Chemical compound CC1CCCCC1NC(=O)NC1=CC=CC=C1 JXVIIQLNUPXOII-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002044 microwave spectrum Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/006—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of the effect of a material on microwaves or longer electromagnetic waves, e.g. measuring temperature via microwaves emitted by the object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radiation Pyrometers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Details Of Television Scanning (AREA)
- Semiconductor Lasers (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3226296P | 1996-12-03 | 1996-12-03 | |
| US60/032,262 | 1996-12-03 | ||
| PCT/US1997/020969 WO1998027414A2 (en) | 1996-12-03 | 1997-11-28 | Variable microwave cold/warm noise source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2285643A1 CA2285643A1 (en) | 1998-06-25 |
| CA2285643C true CA2285643C (en) | 2007-02-06 |
Family
ID=21863983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002285643A Expired - Lifetime CA2285643C (en) | 1996-12-03 | 1997-11-28 | Variable microwave cold/warm noise source |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US6217210B1 (enExample) |
| EP (1) | EP0944952B1 (enExample) |
| JP (1) | JP3918021B2 (enExample) |
| AT (1) | ATE420492T1 (enExample) |
| CA (1) | CA2285643C (enExample) |
| DE (1) | DE69739205D1 (enExample) |
| WO (1) | WO1998027414A2 (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1285366A1 (en) * | 2000-04-28 | 2003-02-26 | Trw, Inc. | Semi-physical modeling of hemt high frequency noise equivalent circuit models |
| US6772400B2 (en) | 2000-04-28 | 2004-08-03 | Northrop Grumman Corporation | Semi-physical modeling of HEMT high frequency small signal equivalent circuit models |
| JP3669502B2 (ja) * | 2002-06-25 | 2005-07-06 | 独立行政法人 宇宙航空研究開発機構 | 人工衛星用トータルパワー方式マイクロ波放射計の校正方法 |
| US6834991B2 (en) * | 2002-09-23 | 2004-12-28 | Raytheon Company | Radiometer with programmable noise source calibration |
| US7034516B2 (en) | 2003-09-18 | 2006-04-25 | Xytrans, Inc. | Multi-channel radiometer imaging system |
| US7088086B2 (en) * | 2003-09-18 | 2006-08-08 | Xytrans, Inc. | Multi-channel radiometer imaging system |
| US7603088B2 (en) | 2003-09-18 | 2009-10-13 | Reveal Imaging, Llc | Multi-channel radiometer imaging system and MMIC chips for use thereof |
| US7221141B2 (en) * | 2004-07-14 | 2007-05-22 | Xytrans, Inc. | Switched measuring system and method for measuring radiant signals |
| JP4757664B2 (ja) * | 2006-03-07 | 2011-08-24 | スタンレー電気株式会社 | マイクロ波供給源装置 |
| JP2010511178A (ja) * | 2006-11-29 | 2010-04-08 | レイセオン カンパニー | 冷ノイズ源システム |
| JP5191221B2 (ja) * | 2007-02-23 | 2013-05-08 | 株式会社エヌ・ティ・ティ・ドコモ | 低温受信増幅器 |
| EP1962418B1 (en) * | 2007-02-23 | 2011-06-29 | NTT DoCoMo, Inc. | Cryogenic receiving amplifier and amplifying method |
| WO2008128140A1 (en) * | 2007-04-13 | 2008-10-23 | The Regents Of The University Of Michigan | Delivery device and method for forming the same |
| US8421478B2 (en) | 2008-01-25 | 2013-04-16 | International Business Machines Corporation | Radio frequency integrated circuit with on-chip noise source for self-test |
| WO2010070257A2 (en) * | 2008-12-19 | 2010-06-24 | Radio Physics Solutions Ltd | A method for formation of radiometric images and an antenna for implementation of the method |
| US8485722B1 (en) | 2009-10-14 | 2013-07-16 | Raytheon Company | Subsurface temperature measurement system |
| CN102243294B (zh) * | 2010-05-14 | 2015-02-04 | 中国科学院空间科学与应用研究中心 | 一种地基微波辐射计的非线性定标方法及装置 |
| GB201015207D0 (en) | 2010-09-13 | 2010-10-27 | Radio Physics Solutions Ltd | Improvements in or relating to millimeter and sub-millimeter mave radar-radiometric imaging |
| DE102011016732B3 (de) * | 2011-04-11 | 2012-07-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Radiometrische Kalibrationseinrichtung mit monolithisch integriertem Mehrfachschalter |
| FR2976661B1 (fr) * | 2011-06-17 | 2013-07-05 | Thales Sa | Systeme compact de mesure altimetrique de haute precision. |
| GB2496835B (en) | 2011-09-23 | 2015-12-30 | Radio Physics Solutions Ltd | Package for high frequency circuits |
| TWI434057B (zh) * | 2011-11-24 | 2014-04-11 | Ind Tech Res Inst | 輻射計之校正裝置、校正系統與校正方法 |
| US8981794B2 (en) | 2013-06-25 | 2015-03-17 | Raytheon Company | Loss-less frequency dependent dicke-switched radiometer |
| WO2014210506A2 (en) * | 2013-06-28 | 2014-12-31 | Associated Universities, Inc. | Randomized surface reflector |
| US9798458B2 (en) | 2013-10-02 | 2017-10-24 | The Joan and Irwin Jacobs Technion-Cornell Innovation Institute | Methods, systems, and apparatuses for accurate measurement and real-time feedback of solar ultraviolet exposure |
| US9880052B2 (en) | 2013-10-02 | 2018-01-30 | The Joan and Irwin Jacobs Technion-Cornell Innovation Institute | Methods, systems, and apparatuses for accurate measurement and real-time feedback of solar ultraviolet exposure |
| US20150185088A1 (en) * | 2013-12-31 | 2015-07-02 | i4c Innovations Inc. | Microwave Radiometry Using Two Antennas |
| CN103812451B (zh) * | 2014-01-27 | 2016-10-05 | 中国电子科技集团公司第十研究所 | 常温输出端口微波变温噪声源 |
| WO2017035384A1 (en) | 2015-08-25 | 2017-03-02 | The Joan and Irwin Jacobs Technion-Cornell Innovation Institute | Methods, systems, and apparatuses for accurate measurement and real-time feedback of solar ultraviolet exposure |
| RU2617276C1 (ru) * | 2015-12-22 | 2017-04-24 | Общество с ограниченной ответственностью "РТМ Диагностика" | Радиотермометр |
| US10739253B2 (en) | 2016-06-07 | 2020-08-11 | Youv Labs, Inc. | Methods, systems, and devices for calibrating light sensing devices |
| USD829112S1 (en) | 2016-08-25 | 2018-09-25 | The Joan and Irwin Jacobs Technion-Cornell Innovation Institute | Sensing device |
| JP6746183B2 (ja) | 2018-07-02 | 2020-08-26 | エレックス工業株式会社 | マイクロ波放射計の較正方法 |
| WO2020082084A1 (en) | 2018-10-19 | 2020-04-23 | Youv Labs, Inc. | Methods, systems, and apparatus for accurate measurement of health relevant uv exposure from sunlight |
| CN113296063B (zh) * | 2021-04-06 | 2023-09-29 | 北京无线电计量测试研究所 | 一种毫米波辐射计线性度的测量装置和方法 |
| CN114123976B (zh) * | 2021-11-10 | 2022-11-22 | 华中科技大学 | 一种具有超大相对带宽的分布式有源冷热噪声源 |
| CN115291152A (zh) * | 2022-08-05 | 2022-11-04 | 中国科学院国家天文台 | 一种高低温负载及使用其对频谱测量系统进行标定的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409827A (en) | 1965-07-22 | 1968-11-05 | Air Force Usa | Feedback-stabilized microwave radiometer |
| US3525037A (en) | 1967-11-14 | 1970-08-18 | Ampex | Method and apparatus for measuring subsurface electrical impedance utilizing first and second successively transmitted signals at different frequencies |
| US3564420A (en) | 1967-11-28 | 1971-02-16 | Nasa | Method and means for providing an absolute power measurement capability |
| US3628151A (en) * | 1970-01-08 | 1971-12-14 | Sperry Rand Corp | Radiometer gain control |
| US3693095A (en) | 1970-10-28 | 1972-09-19 | Sperry Rand Corp | Radiometer gain control reference |
| US3777270A (en) | 1972-05-12 | 1973-12-04 | Rockwell International Corp | Precision variable pulse rate nulling radiometer |
| US4272731A (en) | 1979-05-25 | 1981-06-09 | Sperry Corporation | Thin film resistor microwave noise generator |
| JPS58102118A (ja) * | 1981-12-14 | 1983-06-17 | Sumitomo Metal Ind Ltd | 金属体温度測定方法 |
| FR2650390B1 (fr) * | 1989-07-27 | 1992-10-30 | Inst Nat Sante Rech Med | Procede pour la mesure des temperatures par radiometrie microonde, avec calibration automatique de la mesure, et dispositif pour la mise en oeuvre de ce procede |
| US5128884A (en) | 1989-12-18 | 1992-07-07 | Prager Kenneth E | Black body calibration using image processing techniques |
| FR2673470B1 (fr) | 1991-02-01 | 1993-06-04 | Centre Nat Rech Scient | Procede, dispositif de mesure de temperature utilisant le rayonnement microonde et application pour la determination du coefficient de reflexion hyperfrequence d'un objet quelconque. |
| CA2064451C (en) | 1991-03-31 | 1998-09-22 | Kazuhiro Ogikubo | Radiometer with correction device |
| US5231404A (en) * | 1991-05-17 | 1993-07-27 | Georgia Tech Research Corporation | Dual-polarized cross-correlating radiometer and method and apparatus for calibrating same |
| FR2679455B1 (fr) | 1991-07-26 | 1998-08-28 | Inst Nat Sante Rech Med | Systeme pour le traitement thermique interne d'un corps certain et son utilisation. |
| FR2723784B1 (fr) * | 1994-08-19 | 1997-01-17 | Sadis Bruker Spectrospin | Radiometre pour la determination d'une temperature d'un corps par mesure du bruit thermique emis et procede de mesure mettant en oeuvre ce radiometre |
| US5688050A (en) * | 1995-04-03 | 1997-11-18 | Mmtc, Inc. | Temperature-measuring microwave radiometer apparatus |
| US6137440A (en) * | 1996-12-03 | 2000-10-24 | Raytheon Company | Microwave active solid state cold/warm noise source |
-
1997
- 1997-11-28 AT AT97951434T patent/ATE420492T1/de not_active IP Right Cessation
- 1997-11-28 JP JP52770398A patent/JP3918021B2/ja not_active Expired - Lifetime
- 1997-11-28 DE DE69739205T patent/DE69739205D1/de not_active Expired - Lifetime
- 1997-11-28 US US09/319,520 patent/US6217210B1/en not_active Expired - Lifetime
- 1997-11-28 WO PCT/US1997/020969 patent/WO1998027414A2/en not_active Ceased
- 1997-11-28 EP EP97951434A patent/EP0944952B1/en not_active Expired - Lifetime
- 1997-11-28 CA CA002285643A patent/CA2285643C/en not_active Expired - Lifetime
-
2001
- 2001-02-08 US US09/780,754 patent/US6439763B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US6217210B1 (en) | 2001-04-17 |
| EP0944952A2 (en) | 1999-09-29 |
| CA2285643A1 (en) | 1998-06-25 |
| US20010019572A1 (en) | 2001-09-06 |
| WO1998027414A2 (en) | 1998-06-25 |
| WO1998027414A3 (en) | 1998-11-26 |
| ATE420492T1 (de) | 2009-01-15 |
| US6439763B2 (en) | 2002-08-27 |
| EP0944952B1 (en) | 2009-01-07 |
| JP2001506363A (ja) | 2001-05-15 |
| EP0944952A4 (en) | 2000-01-05 |
| JP3918021B2 (ja) | 2007-05-23 |
| DE69739205D1 (de) | 2009-02-26 |
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| Thompson | Copyright by David Andrew Thompson 2002 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20171128 |