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	Multi-angular instrument for tower-based observations of canopy sun-induced chlorophyll fluorescence 期刊论文 OAI收割 INSTRUMENTATION SCIENCE & TECHNOLOGY, 2020, 卷号: 48, 期号: 2, 页码: 146-161 作者: Chou, Shuren; Chen, Bin; Chen, Jing M. \| 收藏 \| 浏览/下载：50/0 \| 提交时间：2021/03/16 Gross primary production multiple-angle remote sensing photosynthesis sun-induced chlorophyll fluorescence
	Multi-angular instrument for tower-based observations of canopy sun-induced chlorophyll fluorescence 期刊论文 OAI收割 INSTRUMENTATION SCIENCE & TECHNOLOGY, 2020, 卷号: 48, 期号: 2, 页码: 146-161 作者: Chou, Shuren; Chen, Bin; Chen, Jing M. \| 收藏 \| 浏览/下载：24/0 \| 提交时间：2021/03/16 Gross primary production multiple-angle remote sensing photosynthesis sun-induced chlorophyll fluorescence
	Within-twig leaf distribution patterns differ among plant life-forms in a subtropical Chinese forest 期刊论文 OAI收割 TREE PHYSIOLOGY, 2013, 卷号: 33, 期号: 7, 页码: 753-762 Meng, FQ; Cao, R; Yang, DM; Niklas, KJ; Sun, SC 收藏 \| 浏览/下载：102/0 \| 提交时间：2014/11/21 evergreen vs. deciduous canopy tree species leaf and twig inclination angle to the horizontal lamina mass per area leaf distribution patterns light interception shade- vs. sun-adapted evergreen shrub species
	Using NOAA/AVHRR data to determine regional net radiation and soil heat fluxes over the heterogeneous landscape of the Tibetan Plateau 期刊论文 OAI收割 INTERNATIONAL JOURNAL OF REMOTE SENSING, 2012, 卷号: 33, 期号: 15 特刊: SI, 页码: 4784-4795 Ma YM (马耀明); Zhong L (仲雷); Wang YJ (王永杰); Su ZB (Su, Zhongbo) 收藏 \| 浏览/下载：34/0 \| 提交时间：2013/05/29 LAND-SURFACE REFLECTANCE CHARACTERISTICS METEOROLOGICAL DATA SPECTRAL RESPONSE VIEW ANGLE SUN ANGLE CANOPIES WHEAT PARAMETERIZATION CIRCULATION
	Design and calibration of the solar irradiance monitor (EI CONFERENCE) 会议论文 OAI收割 International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China 作者: Yang D.-J.; Gong C.-H.; Wang Y.-P.; Ye X.; Fang W. 收藏 \| 浏览/下载：27/0 \| 提交时间：2013/03/25 The solar irradiance monitor (SIM) with the design accuracy of 5 used to monitor the secular changes of the total solar irradiance on FY-3 satellite takes the sun-scanning measurement method on-orbit. Compared to the sun-tracking measurement method this method simplifies the structure and cuts the cost but the measuring accuracy is affected by the sun-synchronous orbit sunlight incidence angle and the installing angle of the SIM in the satellite. Through the ground calibration experiment studies on the affection of different sunlight incidence angles to the measurement accuracy. First by the satellite tool kit (STK) simulation software simulates the orbital parameters of the sun-synchronous satellite and calculates the Sun ascension and declination at any time. By the orbit coordinate transformation matrix gets the components of the Sun vectors to the axes of the satellite and base on the components designs the field of view and the installing angles of the SIM. Then designs and completes the calibration experiment to calibrate the affection of the incidence angles. Selecting 11 different angles between the sunlight and the satellite X-axis measures the total solar irradiance by the SIM at each angle and compares to the irradiances of the SIAR reference radiometers and gets the coefficient curves of the three channels of the SIM. Finally by the quadratic fitting gets the correction equations on the incidence angles: R 1=5.7110-52 -2.45310 -3+1.0302 R2=2.8410-5-1. 96510-3+1.0314 and R3 =1.7210 -52-4.18410-4+0.9946. The equations will aimprove the on-orbit measurement accuracy of the solar irradiance and are very important to the on-orbit data processing after the satellite launched. 2011 SPIE.
	The Simulation measurement experiment and calibration for Solar Total Irradiance Monitor on board (EI CONFERENCE) 会议论文 OAI收割 ICO20: Remote Sensing and Infrared Devices and Systems, August 21, 2005 - August 26, 2005, Changchun, China Yupeng W.; Wei F.; Bingxi Y. 收藏 \| 浏览/下载：38/0 \| 提交时间：2013/03/25 STIM (Solar Total Irradiance Monitor) can be used on sun-synchronous polar orbit weather satellites to measure the total solar irradiance. It contains three independent and identical wide view absolute radiometers. They are mounted on the satellite in an angle which ensure the sun scan over the field of view of the absolute radiometers. This measurement method doesn't need the instrument tracking the sun but the sun scan over the field of view of the absolute radiometers in each orbit cycle. The paper presents the measurement method of simulation for solar irradiance measurement and calibration by mounting the instrument on a two-axis rotation table. By controlling the rotation angle velocity of the instrument in the meridian direction being the same as that of the weather satellite's on orbit we can measure the solar irradiance when the sun scan over the field of view of the absolute radiometers to simulate the onboard state. And we have operated the measurement with the prototype of STIM. The SIAR-1 is traceable to WRR and serves as a transfer standard. So simultaneous comparison measurements between SIAR-1 and each of the three wide view absolute radiometers are measured to provide calibration corrections to the instrument. And we have a further study at the influence of stray light to the measurement results. This paper presents the method of simulation experiment and calibration for solar irradiance measurement with Solar Total Irradiance Monitor on board.
	The full hemisphere integrating measurement of the reflectance of black cavity (EI CONFERENCE) 会议论文 OAI收割 ICO20: Illumination, Radiation, and Color Technologies, August 21, 2005 - August 26, 2005, Changchun, China 作者: Wang Y.; Yu B.; Wang Y.; Wang Y.; Wang Y. 收藏 \| 浏览/下载：18/0 \| 提交时间：2013/03/25 The conical black cavities are used in the Solar Irradiance Absolute Radiometers (SIARs) of the solar constant monitor aboard on the SZ spaceship and of the Solar Total Irradiance Monitor (STIM) aboard on sun-synchronous polar orbit weather satellites. A low reflectance measurement instrument which is used for making the integrating measurement on the reflectance of the conical black cavity in a high precision within the full hemisphere (include the entrance of the Ulbrichtsphere) has been constructed. The characteristic of the instrument is the employment of a semi-transparent mirror which is mounted in an inclination angle of 45 degrees in front of the entrance of the Ulbrichtsphere. The incident beam is reflected to the black cavity or white board by the semi-transparent mirror. A portion of those which is made diffused reflection through the black cavity or white board is measured by the detector located in the side face of the Ulbrichtsphere and the other portion which is reflected to the entrance is measured by the other detector after passing through the semi-transparent mirror and then being focused on by an ellipsoidal mirror. The two measurement data are added up to get the integrating reflectance within full hemisphere. The presentation and verification on the measurement result of the reflectance of the black cavity and its precision are described in this article. The absolute accuracy can reach 0.012%.
	Research on the radiometric calibration of TDI CCD remote camera (EI CONFERENCE) 会议论文 OAI收割 ICO20: Illumination, Radiation, and Color Technologies, August 21, 2005 - August 26, 2005, Changchun, China Liu Y.-X.; Hao Z.-H. 收藏 \| 浏览/下载：18/0 \| 提交时间：2013/03/25 The radiometric calibration of the Time delay and integration Charge-coupled Device (TDI CCD) imaging system is a necessary part in the manufacturing TDI CCD camera. The radiometric calibration of the TDI CCD remote sensing camera is done in the State Key Laboratory of Applied Optics. The integration sphere is used for simulating different radiance which is decided by the different sun vertex angle and different reflectivity of the ground. The parameters of the gain and stage of the TDI CCD remote sensing camera are given through the analyzing of outcome of the experiment. The outcomes are used in the practice and the errors are discussed in the end of the experiments.