BE475377A - - Google Patents
Info
- Publication number
- BE475377A BE475377A BE475377DA BE475377A BE 475377 A BE475377 A BE 475377A BE 475377D A BE475377D A BE 475377DA BE 475377 A BE475377 A BE 475377A
- Authority
- BE
- Belgium
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
- G01S13/10—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
- G01S13/02—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
- G01S13/12—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
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 |
|---|---|---|---|
| GB375842A GB586833A (en) | 1942-03-20 | 1942-03-20 | Improvements in or relating to arrangements for locating objects by radio waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475377A true BE475377A (de) |
Family
ID=9764396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475377D BE475377A (de) | 1942-03-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE475377A (de) |
| CH (1) | CH271410A (de) |
| FR (1) | FR956800A (de) |
| GB (1) | GB586833A (de) |
-
0
- BE BE475377D patent/BE475377A/xx unknown
- FR FR956800D patent/FR956800A/fr not_active Expired
-
1942
- 1942-03-20 GB GB375842A patent/GB586833A/en not_active Expired
-
1947
- 1947-03-25 CH CH271410D patent/CH271410A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR956800A (de) | 1950-02-07 |
| CH271410A (fr) | 1950-10-31 |
| GB586833A (en) | 1947-04-02 |