JPS52127261A - Mark discrimination system - Google Patents
Mark discrimination systemInfo
- Publication number
- JPS52127261A JPS52127261A JP4246576A JP4246576A JPS52127261A JP S52127261 A JPS52127261 A JP S52127261A JP 4246576 A JP4246576 A JP 4246576A JP 4246576 A JP4246576 A JP 4246576A JP S52127261 A JPS52127261 A JP S52127261A
- Authority
- JP
- Japan
- Prior art keywords
- discrimination system
- mark discrimination
- mark
- sonar
- discrimination
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
- G01S15/107—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using frequency agility of carrier wave
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4246576A JPS52127261A (en) | 1976-04-16 | 1976-04-16 | Mark discrimination system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4246576A JPS52127261A (en) | 1976-04-16 | 1976-04-16 | Mark discrimination system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52127261A true JPS52127261A (en) | 1977-10-25 |
Family
ID=12636812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4246576A Pending JPS52127261A (en) | 1976-04-16 | 1976-04-16 | Mark discrimination system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52127261A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01180483A (ja) * | 1988-01-12 | 1989-07-18 | Nec Corp | ソーナー装置 |
JP2017519967A (ja) * | 2015-05-07 | 2017-07-20 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | 物体を検出するシステムおよび方法 |
-
1976
- 1976-04-16 JP JP4246576A patent/JPS52127261A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01180483A (ja) * | 1988-01-12 | 1989-07-18 | Nec Corp | ソーナー装置 |
JP2017519967A (ja) * | 2015-05-07 | 2017-07-20 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | 物体を検出するシステムおよび方法 |
US10884122B2 (en) | 2015-05-07 | 2021-01-05 | SZ DJI Technology Co., Ltd. | System and method for detecting an object |
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