Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology
The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the a...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Rupeng [verfasserIn] Li, Sining [verfasserIn] Lu, Wei [verfasserIn] Sun, Jianfeng [verfasserIn] Zhang, Yinbo [verfasserIn] Ge, Weijie [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2024 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Infrared physics & technology - Amsterdam [u.a.] : Elsevier Science, 1994, 137 |
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| Übergeordnetes Werk: |
volume:137 |
| DOI / URN: |
10.1016/j.infrared.2024.105181 |
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| Katalog-ID: |
ELV067006736 |
|---|
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| 245 | 1 | 0 | |a Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology |
| 264 | 1 | |c 2024 | |
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| 520 | |a The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. | ||
| 650 | 4 | |a Frequency drift | |
| 650 | 4 | |a High stability | |
| 650 | 4 | |a Speed measurement | |
| 650 | 4 | |a Combined single/double sideband modulation | |
| 650 | 4 | |a Range accuracy | |
| 700 | 1 | |a Li, Sining |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Jianfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yinbo |e verfasserin |4 aut | |
| 700 | 1 | |a Ge, Weijie |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Infrared physics & technology |d Amsterdam [u.a.] : Elsevier Science, 1994 |g 137 |h Online-Ressource |w (DE-627)320592146 |w (DE-600)2019084-0 |w (DE-576)259271705 |7 nnns |
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10.1016/j.infrared.2024.105181 doi (DE-627)ELV067006736 (ELSEVIER)S1350-4495(24)00065-3 DE-627 ger DE-627 rda eng 530 VZ 50.37 bkl 33.38 bkl 33.07 bkl Zhang, Rupeng verfasserin aut Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. Frequency drift High stability Speed measurement Combined single/double sideband modulation Range accuracy Li, Sining verfasserin aut Lu, Wei verfasserin aut Sun, Jianfeng verfasserin aut Zhang, Yinbo verfasserin aut Ge, Weijie verfasserin aut Enthalten in Infrared physics & technology Amsterdam [u.a.] : Elsevier Science, 1994 137 Online-Ressource (DE-627)320592146 (DE-600)2019084-0 (DE-576)259271705 nnns volume:137 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-AST GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.37 Technische Optik VZ 33.38 Quantenoptik nichtlineare Optik VZ 33.07 Spektroskopie VZ AR 137 |
| spelling |
10.1016/j.infrared.2024.105181 doi (DE-627)ELV067006736 (ELSEVIER)S1350-4495(24)00065-3 DE-627 ger DE-627 rda eng 530 VZ 50.37 bkl 33.38 bkl 33.07 bkl Zhang, Rupeng verfasserin aut Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. Frequency drift High stability Speed measurement Combined single/double sideband modulation Range accuracy Li, Sining verfasserin aut Lu, Wei verfasserin aut Sun, Jianfeng verfasserin aut Zhang, Yinbo verfasserin aut Ge, Weijie verfasserin aut Enthalten in Infrared physics & technology Amsterdam [u.a.] : Elsevier Science, 1994 137 Online-Ressource (DE-627)320592146 (DE-600)2019084-0 (DE-576)259271705 nnns volume:137 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-AST GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.37 Technische Optik VZ 33.38 Quantenoptik nichtlineare Optik VZ 33.07 Spektroskopie VZ AR 137 |
| allfields_unstemmed |
10.1016/j.infrared.2024.105181 doi (DE-627)ELV067006736 (ELSEVIER)S1350-4495(24)00065-3 DE-627 ger DE-627 rda eng 530 VZ 50.37 bkl 33.38 bkl 33.07 bkl Zhang, Rupeng verfasserin aut Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. Frequency drift High stability Speed measurement Combined single/double sideband modulation Range accuracy Li, Sining verfasserin aut Lu, Wei verfasserin aut Sun, Jianfeng verfasserin aut Zhang, Yinbo verfasserin aut Ge, Weijie verfasserin aut Enthalten in Infrared physics & technology Amsterdam [u.a.] : Elsevier Science, 1994 137 Online-Ressource (DE-627)320592146 (DE-600)2019084-0 (DE-576)259271705 nnns volume:137 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-AST GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.37 Technische Optik VZ 33.38 Quantenoptik nichtlineare Optik VZ 33.07 Spektroskopie VZ AR 137 |
| allfieldsGer |
10.1016/j.infrared.2024.105181 doi (DE-627)ELV067006736 (ELSEVIER)S1350-4495(24)00065-3 DE-627 ger DE-627 rda eng 530 VZ 50.37 bkl 33.38 bkl 33.07 bkl Zhang, Rupeng verfasserin aut Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. Frequency drift High stability Speed measurement Combined single/double sideband modulation Range accuracy Li, Sining verfasserin aut Lu, Wei verfasserin aut Sun, Jianfeng verfasserin aut Zhang, Yinbo verfasserin aut Ge, Weijie verfasserin aut Enthalten in Infrared physics & technology Amsterdam [u.a.] : Elsevier Science, 1994 137 Online-Ressource (DE-627)320592146 (DE-600)2019084-0 (DE-576)259271705 nnns volume:137 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-AST GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.37 Technische Optik VZ 33.38 Quantenoptik nichtlineare Optik VZ 33.07 Spektroskopie VZ AR 137 |
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10.1016/j.infrared.2024.105181 doi (DE-627)ELV067006736 (ELSEVIER)S1350-4495(24)00065-3 DE-627 ger DE-627 rda eng 530 VZ 50.37 bkl 33.38 bkl 33.07 bkl Zhang, Rupeng verfasserin aut Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology 2024 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. Frequency drift High stability Speed measurement Combined single/double sideband modulation Range accuracy Li, Sining verfasserin aut Lu, Wei verfasserin aut Sun, Jianfeng verfasserin aut Zhang, Yinbo verfasserin aut Ge, Weijie verfasserin aut Enthalten in Infrared physics & technology Amsterdam [u.a.] : Elsevier Science, 1994 137 Online-Ressource (DE-627)320592146 (DE-600)2019084-0 (DE-576)259271705 nnns volume:137 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OPC-AST GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 50.37 Technische Optik VZ 33.38 Quantenoptik nichtlineare Optik VZ 33.07 Spektroskopie VZ AR 137 |
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Zhang, Rupeng @@aut@@ Li, Sining @@aut@@ Lu, Wei @@aut@@ Sun, Jianfeng @@aut@@ Zhang, Yinbo @@aut@@ Ge, Weijie @@aut@@ |
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Zhang, Rupeng |
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Zhang, Rupeng ddc 530 bkl 50.37 bkl 33.38 bkl 33.07 misc Frequency drift misc High stability misc Speed measurement misc Combined single/double sideband modulation misc Range accuracy Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology |
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530 VZ 50.37 bkl 33.38 bkl 33.07 bkl Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology Frequency drift High stability Speed measurement Combined single/double sideband modulation Range accuracy |
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ddc 530 bkl 50.37 bkl 33.38 bkl 33.07 misc Frequency drift misc High stability misc Speed measurement misc Combined single/double sideband modulation misc Range accuracy |
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Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology |
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coherent heterodyne fmcw lidar based on combined single/double sideband modulation detection technology |
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Coherent heterodyne FMCW lidar based on combined single/double sideband modulation detection technology |
| abstract |
The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. |
| abstractGer |
The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. |
| abstract_unstemmed |
The conventional coherent FMCW lidar system has the problem of frequency drift to meet the high accuracy range. When measuring the moving target, it cannot judge the target motion status in real-time. This paper proposes a high-stability coherent heterodyne FMCW lidar detection method to solve the above-proposed problems. The combined single/double sideband modulation method significantly suppresses the frequency drift and, combined with the spectrum refinement processing method, achieves high stability of laser ranging and speed measurement. The result shows that the target is located at an 8 m distance from the system, the range accuracy is 5 cm, the range error is less than 1.5 cm, and the root mean square(RMS) error is 6.6 × 10-3 m, which is an order of magnitude higher than that of the conventional FMCW laser detection system. We use the binomial fitting method to obtain a measurement speed error of fewer than 1.15 × 10-2 m/s. |
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