JPH0149911B2 - - Google Patents
Info
- Publication number
- JPH0149911B2 JPH0149911B2 JP56174520A JP17452081A JPH0149911B2 JP H0149911 B2 JPH0149911 B2 JP H0149911B2 JP 56174520 A JP56174520 A JP 56174520A JP 17452081 A JP17452081 A JP 17452081A JP H0149911 B2 JPH0149911 B2 JP H0149911B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- transmitting antenna
- receiving antennas
- buried object
- signal
- 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
- 238000001514 detection method Methods 0.000 claims description 75
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
- G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56174520A JPS5877677A (ja) | 1981-11-02 | 1981-11-02 | 埋設物探知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56174520A JPS5877677A (ja) | 1981-11-02 | 1981-11-02 | 埋設物探知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877677A JPS5877677A (ja) | 1983-05-11 |
| JPH0149911B2 true JPH0149911B2 (enExample) | 1989-10-26 |
Family
ID=15979952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56174520A Granted JPS5877677A (ja) | 1981-11-02 | 1981-11-02 | 埋設物探知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877677A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60173490A (ja) * | 1984-02-17 | 1985-09-06 | Nippon Telegr & Teleph Corp <Ntt> | 周波数分割・合成による地下埋設物の探査方式 |
-
1981
- 1981-11-02 JP JP56174520A patent/JPS5877677A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5877677A (ja) | 1983-05-11 |
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