WO2000028350A1 - System for measuring and displaying three-dimensional characteristics of electromagnetic waves - Google Patents
System for measuring and displaying three-dimensional characteristics of electromagnetic waves Download PDFInfo
- Publication number
- WO2000028350A1 WO2000028350A1 PCT/US1999/026578 US9926578W WO0028350A1 WO 2000028350 A1 WO2000028350 A1 WO 2000028350A1 US 9926578 W US9926578 W US 9926578W WO 0028350 A1 WO0028350 A1 WO 0028350A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wave
- carrier frequency
- rotation frequency
- information signal
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0892—Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU14751/00A AU1475100A (en) | 1998-11-09 | 1999-11-09 | System for measuring and displaying three-dimensional characteristics of electromagnetic waves |
EP99971923A EP1129367A4 (en) | 1998-11-09 | 1999-11-09 | System for measuring and displaying three-dimensional characteristics of electromagnetic waves |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14575198P | 1998-11-09 | 1998-11-09 | |
US60/145,751 | 1998-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000028350A1 true WO2000028350A1 (en) | 2000-05-18 |
WO2000028350A9 WO2000028350A9 (en) | 2000-10-19 |
Family
ID=22514377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/026578 WO2000028350A1 (en) | 1998-11-09 | 1999-11-09 | System for measuring and displaying three-dimensional characteristics of electromagnetic waves |
Country Status (4)
Country | Link |
---|---|
US (1) | US6295025B1 (en) |
EP (1) | EP1129367A4 (en) |
AU (1) | AU1475100A (en) |
WO (1) | WO2000028350A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4470655B2 (en) * | 2004-09-01 | 2010-06-02 | Jfeスチール株式会社 | Ultrasonic spot weld evaluation method and apparatus |
US10804997B2 (en) | 2017-02-10 | 2020-10-13 | CTwists, LLC | Apparatus and method for generating and capturing a transmission wave and apparatus and method for transmitting and receiving digital information |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620192A (en) * | 1983-09-29 | 1986-10-28 | Raytheon Company | Continuous wave radar with ranging capability |
US4739330A (en) * | 1984-06-29 | 1988-04-19 | Thomson-Csf | Frequency modulation radio altimeter |
US4860014A (en) * | 1987-11-25 | 1989-08-22 | The United State Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Doppler radar with multiphase modulation of transmitted and reflected signal |
US4958161A (en) * | 1988-07-01 | 1990-09-18 | U.S. Philips Corporation | Frequency-modulated continuous-wave radar altimeter system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235340A (en) * | 1992-01-29 | 1993-08-10 | E-Systems, Inc. | Frequency domain polarimeter |
GB2266380B (en) * | 1992-04-25 | 1997-01-08 | Keith Graham Richens | Portable test instrument for electromagnetic compatibility assessment of electrical and electronic apparatus |
EP0977052B1 (en) * | 1994-01-12 | 2002-10-02 | Advantest Corporation | Non-contact type wave signal observation apparatus |
JPH08340290A (en) * | 1995-06-09 | 1996-12-24 | Tsujita Masao | Short wave transmitter |
JP3249049B2 (en) * | 1996-09-06 | 2002-01-21 | 三菱電機株式会社 | Polarization measurement device |
JP2949216B2 (en) * | 1996-10-31 | 1999-09-13 | 電気通信大学長 | Modulation transmission / reception method by polarization plane rotation |
US6161018A (en) * | 1998-02-27 | 2000-12-12 | Motorola, Inc. | Method and system for estimating a subscriber's location in a wireless communication system service area |
-
1999
- 1999-11-09 AU AU14751/00A patent/AU1475100A/en not_active Abandoned
- 1999-11-09 EP EP99971923A patent/EP1129367A4/en not_active Withdrawn
- 1999-11-09 US US09/436,531 patent/US6295025B1/en not_active Expired - Fee Related
- 1999-11-09 WO PCT/US1999/026578 patent/WO2000028350A1/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620192A (en) * | 1983-09-29 | 1986-10-28 | Raytheon Company | Continuous wave radar with ranging capability |
US4739330A (en) * | 1984-06-29 | 1988-04-19 | Thomson-Csf | Frequency modulation radio altimeter |
US4860014A (en) * | 1987-11-25 | 1989-08-22 | The United State Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Doppler radar with multiphase modulation of transmitted and reflected signal |
US4958161A (en) * | 1988-07-01 | 1990-09-18 | U.S. Philips Corporation | Frequency-modulated continuous-wave radar altimeter system |
Non-Patent Citations (1)
Title |
---|
See also references of EP1129367A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1129367A4 (en) | 2003-05-21 |
AU1475100A (en) | 2000-05-29 |
US6295025B1 (en) | 2001-09-25 |
EP1129367A1 (en) | 2001-09-05 |
WO2000028350A9 (en) | 2000-10-19 |
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