JPS55117983A - Object material discrimination unit - Google Patents
Object material discrimination unitInfo
- Publication number
- JPS55117983A JPS55117983A JP2594079A JP2594079A JPS55117983A JP S55117983 A JPS55117983 A JP S55117983A JP 2594079 A JP2594079 A JP 2594079A JP 2594079 A JP2594079 A JP 2594079A JP S55117983 A JPS55117983 A JP S55117983A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- band
- mixer
- filter
- object material
- 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.)
- Pending
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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2594079A JPS55117983A (en) | 1979-03-06 | 1979-03-06 | Object material discrimination unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2594079A JPS55117983A (en) | 1979-03-06 | 1979-03-06 | Object material discrimination unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55117983A true JPS55117983A (en) | 1980-09-10 |
Family
ID=12179744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2594079A Pending JPS55117983A (en) | 1979-03-06 | 1979-03-06 | Object material discrimination unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55117983A (ja) |
-
1979
- 1979-03-06 JP JP2594079A patent/JPS55117983A/ja active Pending
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