RU2011152781A - METHOD FOR DETECTING A PULSE FROM THE PURPOSE AND MEASURING ITS PARAMETERS - Google Patents
METHOD FOR DETECTING A PULSE FROM THE PURPOSE AND MEASURING ITS PARAMETERS Download PDFInfo
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- RU2011152781A RU2011152781A RU2011152781/07A RU2011152781A RU2011152781A RU 2011152781 A RU2011152781 A RU 2011152781A RU 2011152781/07 A RU2011152781/07 A RU 2011152781/07A RU 2011152781 A RU2011152781 A RU 2011152781A RU 2011152781 A RU2011152781 A RU 2011152781A
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
1. Способ обнаружения импульса от цели и измерения его параметров, включающий фильтрацию фильтром с дифференцирующими свойствами и оценку параметров положительных и отрицательных полуволн импульса после фильтра, отличающийся тем, что измеряют величину положительных и отрицательных полуволн импульса и соотношение величин упомянутых полуволн импульса на соседних по времени интервалах, определяемых по текущему знаку импульса, а затем по величине соотношения величин данных полуволн импульса и порядку их следования друг за другом во времени отбирают импульсы, которые с высокой вероятностью могут быть отнесены к шумовым импульсам и импульсы, которые могут быть отнесены к импульсам от цели, усредняют модуль величины отобранных шумовых импульсов, используют это усредненное значение модуля для задания порогового уровня и принимают решение об обнаружении импульса от цели, если величина этого импульса превышает упомянутый пороговый уровень.2. Способ по п.1, отличающийся тем, что усреднение модуля величин шумовых импульсов делают с частотой обнаружения шумовых импульсов.3. Способ по п.1, отличающийся тем, что величину полуволн шумового импульса и импульса от цели определяют суммированием дискретных выборок модуля величин текущего значения полуволны ∑x, где xочередная выборка значения полуволны соответствующего импульса.4. Способ по п.1, отличающийся тем, что дополнительно определяют сумму квадратов дискретных выбороктекущего значения импульса от цели, вычисляют квадрат суммы ∑xцелевого импульса вычисляют эквивалентную оценку частоты целевого импульса, сравнивают ее с диапазоном возможных значений эквивале�1. A method for detecting a pulse from a target and measuring its parameters, including filtering by a filter with differentiating properties and evaluating the parameters of positive and negative half-waves of a pulse after a filter, characterized in that the value of positive and negative half-waves of a pulse and the ratio of the values of the said half-waves of a pulse are neighboring in time intervals determined by the current sign of the pulse, and then by the value of the ratio of the values of these half-waves of the pulse and the order of their succession during We select pulses that are most likely to be attributed to noise pulses and pulses that can be attributed to pulses from the target, average the magnitude of the magnitude of the selected noise pulses, use this average value of the module to set the threshold level, and make a decision about detecting the pulse from the target if the value of this pulse exceeds the threshold level. 2. The method according to claim 1, characterized in that the averaging of the module of values of noise pulses is done with the frequency of detection of noise pulses. The method according to claim 1, characterized in that the half-wavelength of the noise pulse and the pulse from the target is determined by summing the discrete samples of the module of the magnitude of the current half-wave value ∑x, where x is the next sample of the half-wave value of the corresponding pulse. The method according to claim 1, characterized in that they additionally determine the sum of squares of discrete samples of the current pulse value from the target, calculate the square of the sum ∑x of the target pulse, calculate the equivalent estimate of the frequency of the target pulse, compare it with the range of possible equivalent values
Claims (4)
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RU2011152781A RU2524349C9 (en) | 2011-12-26 | 2011-12-26 | Method for detection of target pulse and measurement of its parameters |
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RU2011152781A RU2524349C9 (en) | 2011-12-26 | 2011-12-26 | Method for detection of target pulse and measurement of its parameters |
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RU2011152781A true RU2011152781A (en) | 2013-07-20 |
RU2524349C2 RU2524349C2 (en) | 2014-07-27 |
RU2524349C9 RU2524349C9 (en) | 2021-04-20 |
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RU2011152781A RU2524349C9 (en) | 2011-12-26 | 2011-12-26 | Method for detection of target pulse and measurement of its parameters |
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Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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GB1599459A (en) * | 1978-05-30 | 1981-10-07 | Marconi Co Ltd | Detection of narrow pulses |
FR2736728A1 (en) * | 1991-07-02 | 1997-01-17 | Thomson Csf | Pulse repetition optimisation process for mobile pulse doppler ground radars |
RU2219564C2 (en) * | 2001-10-18 | 2003-12-20 | Государственное унитарное предприятие "Конструкторское бюро приборостроения" | Target detection process and device for its implementation |
US6897802B1 (en) * | 2003-11-10 | 2005-05-24 | Raytheon Company | Fusion of shape and multiscale features for unknown target rejection |
JP4772341B2 (en) * | 2005-02-25 | 2011-09-14 | 三菱電機株式会社 | Target identification device |
US7646886B2 (en) * | 2005-05-11 | 2010-01-12 | Lockheed Martin Corporation | Closely-spaced multiple targets detection using a regional window as a discriminant function |
US7508336B2 (en) * | 2006-01-17 | 2009-03-24 | Lockheed Martin Corporation | Single scan track initiation for radars having rotating, electronically scanned antennas |
RU102390U1 (en) * | 2010-08-23 | 2011-02-27 | Сергей Александрович Кузьмин | PULSE ECHO SIGNAL DETECTION DEVICE UNDER CONDITIONS OF INFLUENCE OF NOISE INTERFERENCE ON THE MAIN PETAL OF THE DIRECTION DIAGRAM OF THE ANTENNA OF THE PULSE RADAR |
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RU2524349C9 (en) | 2021-04-20 |
RU2524349C2 (en) | 2014-07-27 |
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