Journal of Infrared and Millimeter Waves, Volume. 39, Issue 6, 778(2020)
Figures & Tables(10)
Fig. 2. 10 kHz laser pulse waveform of laser pulse at pulse repeat frequency of 10 kHz （time 100 µs/div， amplitude 20 mv/div） （a） unequal amplitude pulse in high and low，（b）equal amplitude pulse
Fig. 3. Noise measurement for C-SPAD single photon detector under repetition rate of 1 kHz， 2 kHz， 4 kHz， 5 kHz， 6.25 kHz， 10 kHz
Fig. 4. Number of noise photons in single second at each repetition rate
Fig. 5. The relationship between the false alarm probability and the distance gating at repetition rate of 10 kHz .
Fig. 6. Beidou Compassi6b satellite measurement with 10 kHz laser ranging in daytime （a） data real-time measurement，（b） data processing after measurement.
Table 1. 各重复率下的噪声光子探测及计算
View tableView in ArticleTable 1. 各重复率下的噪声光子探测及计算
number repetition rate/Hz Detection time/s Detection noise
photon number
Single pulse noise photon number singe second noise photon number 1 1 000 16.492 46 0.002 8 1 328 205 2 2 000 18.836 6 121 0.003 2 1 529 444 3 4 000 18.618 8 361 0.004 8 2 308 215 4 5 000 16.063 4 490 0.006 1 2 905 155 5 6 250 13.109 6 599 0.007 3 3 481 273 6 10 000 15.702 6 1 678 0.010 7 5 088 633
Table 2. 10kHz卫星激光测距系统参数
View tableView in ArticleTable 2. 10kHz卫星激光测距系统参数
Type Optical system Mounted
type
Receiving ，tele-
scope
Receiving Optical efficiency Narrow filter C-SPADDetector efficiency parameters R-C AZ-EL 60 cm -60% 0.15 nm 20% Type Tracking RMS Event
Timer（A033）
Transmitting Optical efficiency Transmitting telescope Laser diver- gence Angle pointing accuracy parameters -1″ ~5 ps -70% 21 cm 7″∼10″ 1″
Table 3. 10 kHz重复率卫星激光测量数据
View tableView in ArticleTable 3. 10 kHz重复率卫星激光测量数据
number date satellite name ranging precision
RMS/mm
Time Orbit 1 2019/7/15 glonass127 22.6 nighttime HEO 2 2019/8/13 glonass122 11.5 nighttime HEO 3 2019/8/13 starlette 9.3 nighttime LEO 4 2019/8/13 Ajisai 17.1 nighttime LEO 5 2019/8/24 glonass136 21 nighttime HEO 6 2019/8/24 glonass116 23.9 nighttime HEO 7 2019/8/24 Beaconc 14.4 nighttime LEO 8 2019/9/10 starlette 8.5 nighttime LEO 9 2019/9/10 Qzs2 14.1 nighttime GEO 10 2019/9/10 Galileo212 12.5 nighttime HEO 11 2019/9/13 Hyb 6.9 daytime LEO 12 2019/9/13 Ajisai 23.8 daytime LEO 13 2019/9/13 Beaconc 22.8 daytime LEO 14 2019/9/19 compassi5 19.8 nighttime GEO 15 2019/9/20 compassi6b 15.9 daytime GEO 16 2019/9/20 Glonass128 25.6 daytime HEO 17 2019/9/20 Lageos1 12.1 daytime LEO
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Ming-Liang LONG, Hai-Feng ZHANG, Lin-Lin MEN, Zhi-Bo WU, Hua-Rong DENG, Si QIN, Zhong-Ping ZHANG.
Paper Information
Category: Photoelectric Technology and Application
Received: Dec. 8, 2019
Accepted: --
Published Online: Jan. 20, 2021
The Author Email: Hai-Feng ZHANG (hfzhang@shao.ac.cn)
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