JPS55101878A - Pulse doppler radar - Google Patents
Pulse doppler radarInfo
- Publication number
- JPS55101878A JPS55101878A JP921279A JP921279A JPS55101878A JP S55101878 A JPS55101878 A JP S55101878A JP 921279 A JP921279 A JP 921279A JP 921279 A JP921279 A JP 921279A JP S55101878 A JPS55101878 A JP S55101878A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- different frequencies
- carrier frequency
- repetition frequency
- pulse repetition
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/526—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
- G01S13/528—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds
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 |
---|---|---|---|
JP921279A JPS55101878A (en) | 1979-01-31 | 1979-01-31 | Pulse doppler radar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP921279A JPS55101878A (en) | 1979-01-31 | 1979-01-31 | Pulse doppler radar |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55101878A true JPS55101878A (en) | 1980-08-04 |
JPS6252270B2 JPS6252270B2 (enrdf_load_stackoverflow) | 1987-11-04 |
Family
ID=11714147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP921279A Granted JPS55101878A (en) | 1979-01-31 | 1979-01-31 | Pulse doppler radar |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55101878A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04265883A (ja) * | 1991-02-20 | 1992-09-22 | Mitsubishi Electric Corp | レーダ装置 |
JPH05196726A (ja) * | 1991-08-08 | 1993-08-06 | Raytheon Co | 感度速度制御の方法及び装置 |
WO2007057475A3 (en) * | 2005-11-21 | 2007-08-02 | Plextek Ltd | Improvements to doppler radar systems |
US7737886B2 (en) | 2005-11-21 | 2010-06-15 | Plextek Limited | Doppler radar systems |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7046190B2 (en) * | 2003-07-25 | 2006-05-16 | Raytheon Company | Process for phase-derived range measurements |
-
1979
- 1979-01-31 JP JP921279A patent/JPS55101878A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04265883A (ja) * | 1991-02-20 | 1992-09-22 | Mitsubishi Electric Corp | レーダ装置 |
JPH05196726A (ja) * | 1991-08-08 | 1993-08-06 | Raytheon Co | 感度速度制御の方法及び装置 |
WO2007057475A3 (en) * | 2005-11-21 | 2007-08-02 | Plextek Ltd | Improvements to doppler radar systems |
US7737886B2 (en) | 2005-11-21 | 2010-06-15 | Plextek Limited | Doppler radar systems |
AU2006314462B2 (en) * | 2005-11-21 | 2011-04-07 | Plextek Limited | Improvements to Doppler radar systems |
US7956799B2 (en) * | 2005-11-21 | 2011-06-07 | Plextek Limited | Frequency scanning radar system |
Also Published As
Publication number | Publication date |
---|---|
JPS6252270B2 (enrdf_load_stackoverflow) | 1987-11-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2000166A1 (en) | Vehicle diplex doppler near-obstacle detection system | |
EP0227614A3 (en) | Signal processor for synthetic aperture radars, particularly suitable for parallel computation | |
JPS5619467A (en) | Doppler radar | |
AU693035B2 (en) | A target persistence and environment filter | |
JPS55101878A (en) | Pulse doppler radar | |
GB626236A (en) | Improvements in or relating to radar systems | |
JPS55156879A (en) | Radar-system detector for underground object | |
US2991463A (en) | Collision indication system | |
JPS52124898A (en) | Vehicle detector | |
JPS5551376A (en) | Fm ranging system for pulse doppler radar | |
JPS53128293A (en) | Signal processing system of pulse doppler radar | |
CA2020397A1 (en) | Electronic countermeasure system | |
JPS5455198A (en) | Radar apparatus | |
JPS5216995A (en) | Radar signal processor | |
JPS52152256A (en) | Vehicle class identification system | |
JPS52110388A (en) | Inter-vehicle distance control system | |
JPS52150994A (en) | 3-dimensional radar apparatus | |
CA2089483A1 (en) | Method for the simultaneous determination of target range and speed using a radar system | |
JPS562567A (en) | Velocity measuring instrument | |
JPS51111368A (en) | Doppler type flow velocity meter | |
JPS5574476A (en) | Radar system | |
JPS52147995A (en) | Radar unit | |
JPS5618777A (en) | Range measuring apparatus | |
JPS5393075A (en) | Ultrasonic type vehicle speed measuring device | |
BARTNING | Relative transit time measurements of high-frequency signals using an FM-CW technique |