FIELD: radiolocation, possible use in intruder alarm systems as sensor.
SUBSTANCE: device contains supporting frequency generator, phase detector, balance mixer, set-point generator, low frequency filter, two antennas, two Doppler mixers, two intermediate frequency amplifiers, phase shifter for 90° , heterodyne, low-noise amplifier, rejecter filter, low frequency amplifier, limiter, two integrators, amplitude detector, comparator, supporting voltage block, alarm signal generator, two multiplexers and two narrowband filters.
EFFECT: possible determining of small values of Doppler frequency and its sign and, due to that, increased sensitivity and possible determining of movement direction of object.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| VEHICLE ANTITHEFT DEVICE | 2000 |
|
RU2186696C1 |
| DEVICE FOR DETECTING COUNTER-TRANSPORT MINES | 2004 |
|
RU2273885C1 |
| DOPPLER RADIO WAVE ENUNCIATOR FOR BURGLAR ALARM SYSTEMS | 2002 |
|
RU2221260C1 |
| DEVICE FOR DETECTION OF ANTI-TRANSPORT MINES | 2001 |
|
RU2213999C2 |
| SATELLITE SYSTEM ESTABLISHING POSITIONS OF DAMAGED SHIPS AND AIRCRAFT | 2001 |
|
RU2201601C2 |
| INQUIRY METHOD OF MEASUREMENT OF RADIAL VELOCITY | 2009 |
|
RU2429503C2 |
| QUERY METHOD OF MEASURING RADIAL VELOCITY AND SYSTEM FOR REALISING SAID METHOD | 2008 |
|
RU2389040C1 |
| RADIO ENGINEERING MONITORING STATION | 2010 |
|
RU2454818C1 |
| DEVICE FOR REMOTE MEASURING OF PRESSURE | 2005 |
|
RU2311623C2 |
| METHOD TO DETECT BACK FILLED BIOLOGICAL OBJECTS OR THEIR REMAINS AND DEVICE TO THIS END | 2009 |
|
RU2401438C1 |
