FR57705E - Méthodes de détermination de position d'obstacles par ondes électromagnétiques réfléchies - Google Patents
Méthodes de détermination de position d'obstacles par ondes électromagnétiques réfléchiesInfo
- Publication number
- FR57705E FR57705E FR57705DA FR57705E FR 57705 E FR57705 E FR 57705E FR 57705D A FR57705D A FR 57705DA FR 57705 E FR57705 E FR 57705E
- Authority
- FR
- France
- Prior art keywords
- obstacles
- determining
- methods
- electromagnetic waves
- reflected electromagnetic
- 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
Links
Classifications
-
- 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
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
-
- 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
- G01S13/14—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
-
- 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
- G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of 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
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US590469XA | 1942-11-28 | 1942-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR57705E true FR57705E (fr) | 1953-05-04 |
Family
ID=22020475
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR953819D Expired FR953819A (fr) | 1942-11-28 | 1947-08-06 | Système de localisation radioélectrique |
FR57705D Expired FR57705E (fr) | 1942-11-28 | 1947-10-04 | Méthodes de détermination de position d'obstacles par ondes électromagnétiques réfléchies |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR953819D Expired FR953819A (fr) | 1942-11-28 | 1947-08-06 | Système de localisation radioélectrique |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE482223A (fr) |
FR (2) | FR953819A (fr) |
GB (1) | GB590469A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109923562A (zh) * | 2016-10-31 | 2019-06-21 | 诺基亚技术有限公司 | 经由显示装置控制向人的数据显示 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2950473A (en) * | 1953-02-04 | 1960-08-23 | Csf | Radioelectric distance measuring systems |
-
0
- BE BE482223D patent/BE482223A/xx unknown
-
1944
- 1944-05-11 GB GB9034/44A patent/GB590469A/en not_active Expired
-
1947
- 1947-08-06 FR FR953819D patent/FR953819A/fr not_active Expired
- 1947-10-04 FR FR57705D patent/FR57705E/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109923562A (zh) * | 2016-10-31 | 2019-06-21 | 诺基亚技术有限公司 | 经由显示装置控制向人的数据显示 |
CN109923562B (zh) * | 2016-10-31 | 2024-04-26 | 诺基亚技术有限公司 | 经由显示装置控制向人的数据显示 |
Also Published As
Publication number | Publication date |
---|---|
BE482223A (fr) | |
GB590469A (en) | 1947-07-18 |
FR953819A (fr) | 1949-12-14 |
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