CN111693983B - 互补波形构建方法及模块、认知雷达***及波形发射方法 - Google Patents
互补波形构建方法及模块、认知雷达***及波形发射方法 Download PDFInfo
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- CN111693983B CN111693983B CN202010536099.2A CN202010536099A CN111693983B CN 111693983 B CN111693983 B CN 111693983B CN 202010536099 A CN202010536099 A CN 202010536099A CN 111693983 B CN111693983 B CN 111693983B
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- 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
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/581—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
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- 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
- G01S13/66—Radar-tracking systems; Analogous systems
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/418—Theoretical aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Radar Systems Or Details Thereof (AREA)
Abstract
Description
以矩形窗为模板 | 以Hamming窗为模板 | |
距离旁瓣消隐区 | [0,0.165π]∪[0.583π,0.614π] | [0,0.166π]∪[0.582π,0.618π] |
-3dB多普勒主瓣宽度展宽比 | 5% | 40% |
峰值多普勒旁瓣(dB) | -14.41dB | -23.92dB |
相参积累增益 | 45.51 | 35.67 |
Claims (9)
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CN112526461B (zh) * | 2020-12-14 | 2023-09-15 | 北京遥感设备研究所 | 一种空间相关杂波抑制的雷达信号检测方法 |
CN112946599B (zh) * | 2021-02-04 | 2022-05-06 | 哈尔滨工业大学(威海) | 一种基于稀布阵列的雷达空间谱估计方法 |
CN112965034B (zh) * | 2021-04-13 | 2023-11-17 | 哈尔滨工业大学 | 一种改善天波雷达慢时间相位编码信号多普勒容限的方法 |
CN113325378B (zh) * | 2021-04-14 | 2023-07-14 | 西安电子科技大学 | 基于俯仰tda的距离模糊杂波抑制方法 |
CN113759319A (zh) * | 2021-08-24 | 2021-12-07 | 同济大学 | 一种控制发射信号相位变化的方法 |
CN113805155B (zh) * | 2021-09-22 | 2023-10-31 | 中国人民解放军国防科技大学 | 多通道***接收滤波器组设计方法、装置、设备和介质 |
CN113792444A (zh) * | 2021-11-15 | 2021-12-14 | 成都泰盟软件有限公司 | 一种机能学虚拟仿真实验波形构建方法 |
CN114705883B (zh) * | 2022-02-21 | 2024-07-05 | 天津大学 | 基于互补编码的分层测流方法 |
CN118050688B (zh) * | 2024-04-16 | 2024-07-16 | 烟台大学 | 单基地雷达的发射接收联合优化设计方法及装置 |
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CN106019237A (zh) * | 2016-06-23 | 2016-10-12 | 哈尔滨工业大学(威海) | 雷达lfm复合波形设计方法 |
CN106814352A (zh) * | 2017-01-19 | 2017-06-09 | 中国人民解放军国防科学技术大学 | 一种基于格雷互补波形的多目标检测方法 |
CN110146887A (zh) * | 2019-06-11 | 2019-08-20 | 电子科技大学 | 基于联合最优准则的认知合成孔径雷达波形设计方法 |
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