WO2005050240B1 - Method and system for determining the range and velocity of a moving object - Google Patents
Method and system for determining the range and velocity of a moving objectInfo
- Publication number
- WO2005050240B1 WO2005050240B1 PCT/IL2004/001050 IL2004001050W WO2005050240B1 WO 2005050240 B1 WO2005050240 B1 WO 2005050240B1 IL 2004001050 W IL2004001050 W IL 2004001050W WO 2005050240 B1 WO2005050240 B1 WO 2005050240B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- moving object
- radial velocity
- determining
- received
- sampler
- 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
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
- G01S7/2926—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by integration
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/487—Extracting wanted echo signals, e.g. pulse detection
- G01S7/4873—Extracting wanted echo signals, e.g. pulse detection by deriving and controlling a threshold value
-
- 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
- G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
-
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S17/18—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used
-
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
- G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/487—Extracting wanted echo signals, e.g. pulse detection
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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
A device for determining the range of a moving object, the device including at least one sampler, a multi-process array coupled with the sampler, and a selector coupled with the multi-process array, the sampler producing a plurality of sampled signals by sampling a received signal respective of a sequence of pulses transmitted toward the moving object, the multi-process array running a plurality of processes, each of the processes associated with one sampler, each of the processes associated with a respective time shift which is determined according to a respective radial velocity assumption of the moving object with respect to the device and with the pulse rate of the sequence of pulses, each of the processes producing a signal summation by sequentially shifting the sampled signals by the respective time shift and adding together the sampled signals, the selector determining the range according to at least one signal summation which includes a summed pulse event.
Claims
1. Device for determining a range of a moving object, when a received signal respective of a sequence of pulses, transmitted toward said moving object, is of the order of ambient noise, the device comprising: at least one sampler for producing a plurality of sampled signals, by sampling said received signal; a multi-process array running a plurality of processes, said multi-process array being coupled with said at least one sampler, wherein each of said processes is associated with one of said at least one sampler, each of said processes being associated with a respective time shift which is determined according to a respective radial velocity assumption of said moving object with respect to said device, and with the pulse rate of said sequence of pulses, each of said processes producing a signal summation by sequentially shifting said sampled signals by said respective time shift, and adding together said sampled signals; and a selector coupled with said multi-process array, said selector determining said range according to at least one signal summation which includes a summed pulse event.
2. The device according to claim 1 , further comprising a transmitter for transmitting said sequence of pulses toward said moving object.
3. The device according to claim 2, wherein said transmitter is selected from the list consisting of: laser source; radar transmitter; and acoustic source.
AMENDED SHEET riCLE 19) 34
4. The device according to claim 1 , further comprising a receiver coupled with said at least one sampler, said receiver detecting said received signal.
5. The device according to claim 4, wherein said receiver is selected from the list consisting of: laser detector; radar receiver; sound detector; and infrared detector.
6. The device according to claim 1 , wherein said selector determines a radial velocity of said moving object according to said at least one signal summation.
7. The device according to claim 1 , wherein said sequence of pulses is selected from the list consisting of: laser; radar; and acoustic.
8. Method for determining a range of a moving object, when a received echo reflected by said moving object, is of the order of ambient noise, the method comprising the procedures of: shifting a plurality of sampled signals relative to one another by a respective time shift, for each of a plurality of radial velocity assumptions for the relative radial velocity between a transceiver and said moving object, each of said sampled signals representing a respective received signal detected across a period of time, each of said received signals being received by said transceiver and associated with a respective pulse echo reflected by said moving
AMENDED SHEET 
19) object, said respective pulse echo assumed to be included in said received signal, each of said respective time shift being determined for a respective one of said radial velocity assumptions, each of said respective time shift representing an assumed shift in detection times of two consecutive ones of said received signals, due to said respective radial velocity assumption; adding together said shifted signals for each of said radial velocity assumptions, thereby producing a signal summation for each of said radial velocity assumptions; detecting a summed pulse event within at least one of said signal summations; and determining said range according to said detected summed pulse event.
9. The method according to claim 8, further comprising a preliminary procedure of determining each said respective time shift according to said respective radial velocity assumption and the pulse rate by which said pulses are transmitted.
10. The method according to claim 8, further comprising a preliminary procedure of determining said radial velocity assumptions.
11. The method according to claim 8, further comprising a preliminary procedure of sampling said received signals.
12. The method according to claim 8, further comprising a preliminary procedure of detecting said received signals.
13. The method according to claim 12, further comprising a preliminary procedure of transmitting said sequence of said pulses toward said moving object.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL158937 | 2003-11-18 | ||
| IL158937A IL158937A (en) | 2003-11-18 | 2003-11-18 | Method and system for determining the range and velocity of a moving object |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2005050240A2 WO2005050240A2 (en) | 2005-06-02 |
| WO2005050240A3 WO2005050240A3 (en) | 2005-08-11 |
| WO2005050240B1 true WO2005050240B1 (en) | 2005-09-15 |
Family
ID=34611180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IL2004/001050 WO2005050240A2 (en) | 2003-11-18 | 2004-11-16 | Method and system for determining the range and velocity of a moving object |
Country Status (2)
| Country | Link |
|---|---|
| IL (1) | IL158937A (en) |
| WO (1) | WO2005050240A2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL177304A0 (en) | 2006-08-06 | 2007-07-04 | Raphael E Levy | A method and system for designating a target and generating target related action |
| GB0701869D0 (en) | 2007-01-31 | 2007-03-14 | Cambridge Consultants | Adaptive radar |
| AU2010340812B2 (en) | 2010-01-11 | 2014-05-15 | Bae Systems Plc | Pulse radar range profile motion compensation |
| EP2343570A1 (en) * | 2010-01-11 | 2011-07-13 | BAE Systems PLC | Pulse radar range profile motion compensation |
| IL220758A (en) * | 2012-07-04 | 2016-06-30 | Benjamin Levy | Low-energy laser seeker |
| WO2015173891A1 (en) * | 2014-05-13 | 2015-11-19 | 三菱電機株式会社 | Radar device |
| RU2611601C1 (en) * | 2016-04-13 | 2017-02-28 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Doppler method for measuring ground speed |
| RU2669016C2 (en) * | 2017-02-17 | 2018-10-05 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Doppler ground velocity meter |
| RU2663215C1 (en) * | 2017-02-27 | 2018-08-02 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Radio wave method of measuring ground speed |
| RU2683578C1 (en) * | 2018-06-01 | 2019-03-29 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Method for measuring ground speed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6018311A (en) * | 1998-07-14 | 2000-01-25 | Raytheon Company | Noncoherent gain enhancement technique for improved detection-estimation performance |
-
2003
- 2003-11-18 IL IL158937A patent/IL158937A/en active IP Right Grant
-
2004
- 2004-11-16 WO PCT/IL2004/001050 patent/WO2005050240A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| IL158937A0 (en) | 2005-11-20 |
| WO2005050240A2 (en) | 2005-06-02 |
| IL158937A (en) | 2009-09-22 |
| WO2005050240A3 (en) | 2005-08-11 |
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