[1] LU Wenlong, XIN Liyuan, SONG Zhiwen, et al. Analysis on the current problems and countemeasure of protected plant industry in tianjin[J].Chinese Agricultural Science Bulletin, 2009, 25(23): 473-477.
[2] GAO Qinglu, LIANG Yunjuan, DUAN Aiwang. Light characteristics and its changing laws in solar[J]. Transactions of the CSAE, 2003, 19(3): 200-203.
[3] ZHANG Yonghong, GE Huiyan. Analysis and countermeasure to limited factors of sunshine in protected agriculture in weinan city[J]. Shaanxi Meteorology, 2006, (1): 32-33.
[4] ZHANG Haihui, YANG Qing, HU Jin et al. Selfadaptive and precise supplementary lighting system for plant with controllable LED intensity [J]. Transactions of the CSAE, 2011, 27(9): 153-155.
[5] ZHOU Chan, YANG Yunfei, WANG Kun. Effect of red and blue spectrum on photosynthesis physiological characteristics of two ecotypes of leymus chinensis[J]. Spectroscopy and Spectral Analysis, 2008, 28(7): 1441-1444.
[8] WANG Guoan, MI Hongtao, DENG Tianhong, et al. Calculation of the change range of the sun high angle and the azimuth of sunrise and sunset in one year[J]. Meteorological and Environmental Sciences, 2007, 30(S): 161-164.
[10] YU Hejun. Study on the formula of the solar declination and time difference in meteorology[J]. Meteorological Hydrological and Marine Instruments, 2006, 9(3): 50-53.
[11] WANG Shaohui, KONG Yun, CHENG Jihong, et al. Effects of supplied light on photosynthetic characteristics and translocation of 14Cassimilates of cucumber growing under solar greenhouse[J].Transactions of the CSAE, 2008, 24(9): 203-208.
[12] ZHAI Baofeng. Researches on the technology of grain moisture measurement based on data merging[D]. Shen Yang: Shenyang University of Technology, 2002.
[14] HAN Qingyao, XIAO Qiang, YUE Ying. Study of space discrete point′s piecewise linear fitting on least square method[J]. Industrial Instrumentation & Automation, 2012, (4): 107-109.
[15] SHIMIZU T, KYOCHI S, IKEHARA M. A design of dualtree complex wavelet transform based on least squares method[C]. Digital Signal Processing Workshop and 5th IEEE Signal Processing Education Workshop, 2009.
[16] WANG Ke, MAO Zhiji. Actualizing least squares curve fitting based on matlab[J]. Journal of Beijing Broadcasting Institute(Science and Technology, 2005, 12(2): 52-55.
[17] SHI Xianliang, WU Chengfu. RIs parameter identification and emulate based on matlab/simulink[J]. Micropocessors, 2005, (6): 44-46.
[18] TANG Jiade. Nonlinear curve fitting based on MATLAB[J]. Computer and Modernization, 2008, (6): 15-19.
[19] YU Zhiwei, CHENG Shengguo. Contrast analysis of data processing method based on the MATLAB in compaction test[C]. International Conference on Civil Engineering, Architecture and Building Materials (CEABM 2012). 2012, 1.
[20] YANG Yunsheng. Curve fitting based on matlab and the application on test data[J]. Computer and Information Technology, 2009, 17(2): 34-36.
[21] HOGEWEIJ G M D, HORDOSY G, LOPES CARDOZ O N J. Heat transport analysis with error calculation[J]. Computer Physics Communications, 1990, 59(2): 245-258.
[22] WANG Shusen, YANG Yan, DUAN Qichang. Quantitative methods based on relaxation oscillator and least squares[J]. Instrument Technique and Sensor, 2012(4): 101-103.
[23] YANG Xifeng, LIU Tao, ZHAO Youbo, et al. Measurement and analyses of sunlight and skylight spectra[J]. Actascientiarum Naturalium Universitatis Nankaiensis, 2004, 37(4): 70-72.
[24] WANG Yaji. Measurement and application of solar radiation spectra[D]. Nanjing: Nanjing University of Information Science & Technology, 2011.