SE348294B - - Google Patents
Info
- Publication number
- SE348294B SE348294B SE03028/66A SE302866A SE348294B SE 348294 B SE348294 B SE 348294B SE 03028/66 A SE03028/66 A SE 03028/66A SE 302866 A SE302866 A SE 302866A SE 348294 B SE348294 B SE 348294B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
-
- 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
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/411—Identification of targets based on measurements of radar reflectivity
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US439288A US3311914A (en) | 1965-03-12 | 1965-03-12 | Method and apparatus for investigating structural geometry of a remote reflecting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE348294B true SE348294B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-28 |
Family
ID=23744092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE03028/66A SE348294B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-03-12 | 1966-03-08 |
Country Status (3)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603919A (en) * | 1969-02-27 | 1971-09-07 | Univ Kansas State | Poly-panchromatic target identification |
| US4126860A (en) * | 1970-02-06 | 1978-11-21 | Gte Sylvania Incorporated | Wire detector |
| US3665466A (en) * | 1970-03-20 | 1972-05-23 | Exxon Production Research Co | Determination of ice thickness |
| FR2193983B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-07-26 | 1976-08-13 | Dassault Electronique | |
| US3952280A (en) * | 1974-01-10 | 1976-04-20 | Esl Incorporated | Radiation monitoring of an object space with a clutter suppression technique |
| US4651152A (en) * | 1983-09-26 | 1987-03-17 | Geophysical Survey Systems, Inc. | Large relative bandwidth radar |
| US4897660A (en) * | 1986-01-14 | 1990-01-30 | R & D Associates | Structure resonant radar detection apparatus and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2705319A (en) * | 1943-05-07 | 1955-03-29 | Dauber Harry | Detection of changes in terrain reflection coefficient |
| US2568408A (en) * | 1947-05-17 | 1951-09-18 | Rca Corp | Frequency shift diversity transmission system |
| US2659882A (en) * | 1947-12-03 | 1953-11-17 | William M Barret | Method of prospecting with timed electric energy |
| US2539594A (en) * | 1948-07-17 | 1951-01-30 | Robert H Rines | System and method of communication |
| US3212053A (en) * | 1950-09-25 | 1965-10-12 | Naval Res Lab | Sonar system |
| GB802373A (en) * | 1955-07-05 | 1958-10-01 | Marconi Wireless Telegraph Co | Improvements in or relating to pulse radar systems |
| US3140489A (en) * | 1961-10-12 | 1964-07-07 | Gen Electric | Frequency modulated pulse radar system |
| US3243771A (en) * | 1962-01-03 | 1966-03-29 | Exxon Production Research Co | System for analysis of seismic signals |
-
1965
- 1965-03-12 US US439288A patent/US3311914A/en not_active Expired - Lifetime
-
1966
- 1966-03-08 SE SE03028/66A patent/SE348294B/xx unknown
- 1966-03-09 GB GB10274/66A patent/GB1087374A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3311914A (en) | 1967-03-28 |
| GB1087374A (en) | 1967-10-18 |