FIELD: computer engineering; radars. SUBSTANCE: digital synthesizer that may be used for measuring Doppler frequency in radars has frequency standard, delay unit, read-only memory unit, memory register, variable-ratio divider, digital storage device, code converter, digital-to-analog converter, low-frequency filter, gate multivibrator, presetting reversible counter, and comparison circuit. Synthesizer incorporates provision for synthesizing V-shaped frequencymodulated signal. EFFECT: enlarged functional capabilities. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DIGITAL SYNTHESIZER OF PHASE-MODULATED SIGNAL | 2001 |
|
RU2204196C2 |
| DIGITAL SIGNALS SYNTHESIZER | 2004 |
|
RU2257669C1 |
| DIGITAL COMPUTING SYNTHESIZER | 2005 |
|
RU2286645C1 |
| DIGITAL FREQUENCY SYNTHESIZER HAVING EXTENDED FREQUENCY RANGE | 2002 |
|
RU2227366C2 |
| DIGITAL SYNTHESISER OF FREQUENCY AND PHASE MODULATED SIGNALS | 2007 |
|
RU2358384C2 |
| DIGITAL FREQUENCY SYNTHESIZER | 1999 |
|
RU2149503C1 |
| DIGITAL SYNTHESIZER OF FREQUENCY-MODULATED SIGNALS | 2000 |
|
RU2166833C1 |
| DIGITAL QUADRATURE-OUTPUT COMPUTING SYNTHESIZER | 2005 |
|
RU2294054C1 |
| SYNTHESISER WITH V-SHAPED FREQUENCY MODULATION LAW | 2009 |
|
RU2407144C1 |
| DIGITAL FREQUENCY SYNTHESIZER | 1999 |
|
RU2143173C1 |
