BE374690A - - Google Patents
Info
- Publication number
- BE374690A BE374690A BE374690DA BE374690A BE 374690 A BE374690 A BE 374690A BE 374690D A BE374690D A BE 374690DA BE 374690 A BE374690 A BE 374690A
- Authority
- BE
- Belgium
- Prior art keywords
- frame
- earth
- desc
- extinctions
- point
- Prior art date
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE374690A true BE374690A (enExample) |
Family
ID=45415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE374690D BE374690A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE374690A (enExample) |
-
0
- BE BE374690D patent/BE374690A/fr unknown
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