NO135007B - - Google Patents
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- Publication number
- NO135007B NO135007B NO1476/73A NO147673A NO135007B NO 135007 B NO135007 B NO 135007B NO 1476/73 A NO1476/73 A NO 1476/73A NO 147673 A NO147673 A NO 147673A NO 135007 B NO135007 B NO 135007B
- Authority
- NO
- Norway
- Prior art keywords
- circuit
- signals
- intervals
- signal
- time
- Prior art date
Links
- 230000008030 elimination Effects 0.000 claims description 33
- 238000003379 elimination reaction Methods 0.000 claims description 33
- 238000002592 echocardiography Methods 0.000 claims description 28
- 238000013139 quantization Methods 0.000 claims description 15
- 230000010354 integration Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 description 23
- 230000001629 suppression Effects 0.000 description 16
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 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
-
- 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
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
- G01S13/225—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency with cyclic repetition of a non-uniform pulse sequence, e.g. staggered PRF
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7205560,A NL169520C (nl) | 1972-04-25 | 1972-04-25 | Impulsradarapparaat. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO135007B true NO135007B (nl) | 1976-10-11 |
| NO135007C NO135007C (nl) | 1977-01-19 |
Family
ID=19815909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1476/73A NO135007C (nl) | 1972-04-25 | 1973-04-10 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3855593A (nl) |
| JP (1) | JPS5512993B2 (nl) |
| AU (1) | AU475772B2 (nl) |
| BE (1) | BE798444A (nl) |
| CA (1) | CA1000388A (nl) |
| CH (1) | CH553986A (nl) |
| DE (1) | DE2319636C3 (nl) |
| FR (1) | FR2182011B1 (nl) |
| GB (1) | GB1432244A (nl) |
| IT (1) | IT980323B (nl) |
| NL (1) | NL169520C (nl) |
| NO (1) | NO135007C (nl) |
| SE (1) | SE382354B (nl) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3809475A (en) * | 1972-12-06 | 1974-05-07 | Xerox Corp | Copier fuser protector |
| SE384115B (sv) * | 1973-11-22 | 1976-04-12 | Ericsson Telefon Ab L M | Anordning for verifiering av att en mottagen signal innehaller ett visst pulsmonster |
| US4066878A (en) * | 1976-03-29 | 1978-01-03 | Miller Raymond M | Time-domain filter for recursive type signals |
| US4049953A (en) * | 1976-06-24 | 1977-09-20 | The United States Of America, As Represented By The Secretary Of The Navy | Complex pulse repetition frequency generator |
| US4070673A (en) * | 1976-09-03 | 1978-01-24 | Sperry Rand Corporation | Radar video digital processor |
| JPS5912145B2 (ja) * | 1977-10-21 | 1984-03-21 | 古野電気株式会社 | レ−ダ−及び類似装置 |
| FR2495785A1 (fr) * | 1980-12-09 | 1982-06-11 | Thomson Csf | Dispositif de quantification de signaux en impulsions pour radar secondaire |
| US4607258A (en) * | 1983-03-10 | 1986-08-19 | Sperry Corporation | Radar video dehancer |
| IT1197641B (it) * | 1983-05-04 | 1988-12-06 | Selenia Ind Elettroniche | Dispositivo per l'identificazione e la soppressione di echi indesiderati di seconda traccia in sistemi radar |
| DE3321264A1 (de) * | 1983-06-13 | 1984-12-13 | Siemens AG, 1000 Berlin und 8000 München | Puls-doppler-radargeraet mit veraenderbarer pulsfolgefrequenz |
| NL8304315A (nl) * | 1983-12-15 | 1985-07-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat, waarvan de zender is ingericht voor het met meerdere impulsherhalingstijden genereren van gelijksoortige zendimpulsen. |
| JPS60109700U (ja) * | 1983-12-27 | 1985-07-25 | 森井 蒼作 | 幼児用絵本 |
| NL8403758A (nl) * | 1984-12-11 | 1986-07-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
| US5321409A (en) * | 1993-06-28 | 1994-06-14 | Hughes Missile Systems Company | Radar system utilizing chaotic coding |
| US20070192391A1 (en) * | 2006-02-10 | 2007-08-16 | Mcewan Thomas E | Direct digital synthesis radar timing system |
| CN109188374B (zh) * | 2018-07-25 | 2022-07-15 | 中国电子科技集团公司第二十九研究所 | 基于最前脉冲的复杂体制雷达全脉冲数字产生方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1250896B (nl) * | 1963-01-16 | |||
| US3514707A (en) * | 1967-04-25 | 1970-05-26 | Whittaker Corp | Means and techniques useful in blanking interference |
| NL6712495A (nl) * | 1967-09-13 | 1969-03-17 |
-
1972
- 1972-04-25 NL NLAANVRAGE7205560,A patent/NL169520C/nl not_active IP Right Cessation
-
1973
- 1973-04-10 NO NO1476/73A patent/NO135007C/no unknown
- 1973-04-13 SE SE7305315A patent/SE382354B/xx unknown
- 1973-04-16 CA CA168,776A patent/CA1000388A/en not_active Expired
- 1973-04-16 CH CH539773A patent/CH553986A/xx not_active IP Right Cessation
- 1973-04-17 US US00351838A patent/US3855593A/en not_active Expired - Lifetime
- 1973-04-18 GB GB1882973A patent/GB1432244A/en not_active Expired
- 1973-04-18 DE DE2319636A patent/DE2319636C3/de not_active Expired
- 1973-04-19 BE BE130193A patent/BE798444A/nl not_active IP Right Cessation
- 1973-04-19 AU AU54783/73A patent/AU475772B2/en not_active Expired
- 1973-04-20 IT IT49616/73A patent/IT980323B/it active
- 1973-04-23 JP JP4522773A patent/JPS5512993B2/ja not_active Expired
- 1973-04-24 FR FR7314805A patent/FR2182011B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1000388A (en) | 1976-11-23 |
| FR2182011A1 (nl) | 1973-12-07 |
| DE2319636A1 (de) | 1973-11-15 |
| AU475772B2 (en) | 1976-09-02 |
| FR2182011B1 (nl) | 1980-04-25 |
| JPS4922896A (nl) | 1974-02-28 |
| AU5478373A (en) | 1974-10-24 |
| JPS5512993B2 (nl) | 1980-04-05 |
| BE798444A (nl) | 1973-08-16 |
| NL169520B (nl) | 1982-02-16 |
| NO135007C (nl) | 1977-01-19 |
| DE2319636C3 (de) | 1980-10-02 |
| GB1432244A (en) | 1976-04-14 |
| US3855593A (en) | 1974-12-17 |
| CH553986A (de) | 1974-09-13 |
| DE2319636B2 (de) | 1980-01-31 |
| NL169520C (nl) | 1982-07-16 |
| NL7205560A (nl) | 1973-10-29 |
| IT980323B (it) | 1974-09-30 |
| SE382354B (sv) | 1976-01-26 |
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