[1] Schutz B E, Zwally H J, Shuman C A et al. 32(21): L21S01(2005).

[2] Dubayah R, Blair J B, Goetz S et al. The global ecosystem dynamics investigation: high-resolution laser ranging of the Earth’s forests and topography[J]. Science of Remote Sensing, 1, 100002(2020).

[3] Li G, Tang X, Yuan X, Remote Sensing, Spatial Information Sciences et al. XLII-, 1/W1, 23-28(2017).

[4] Tang X M, Xie J F, Liu R, Space Science et al. 7(1):e2019EA000777(2020).

[5] Cao H Y, Dai J, Xu C et al[J]. ZY-3 series satellites and their applications Satellite Application, 2020, 11-13.

[6] Tang X M, Yao J Q, Li G Y et al. Cloud scattering influence on satellite laser altimetry data and its correction[J]. Applied Optics, 59, 4064-4075(2020).

[7] Ren C F, Xie J F, Zhi X D et al. Laser spot center location method for Chinese spaceborne GF-7 footprint camera[J]. Sensors, 20, 2319(2020).

[8] Wang Z W, Li S, Luo M. Laser footprint center extraction method based on LM algorithm[J]. Laser & Infrared, 50, 501-506(2020).

[9] Han Y, Li S, Yu S Z et al. Laser pointing error estimation based on energy data of LOLA system[J]. Acta Optica Sinica, 40, 0528001(2020).

[10] Huang G H, Ding Y X, Wu J C et al. Design and implementation of key technology of GF-7 satellite laser altimeter subsystem[J]. Spacecraft Engineering, 29, 68-73(2020).

[11] Cao H Y, Zhang X W, Zhao C G et al. System design and key technolongies of the GF-7 satellite[J]. Chinese Space Science and Technology, 40, 1-9(2020).

[12] Guo A Y, Dai J, Zhao C G et al. Design and on-orbit validation of GF-7 satellite laser altimeter[J]. Spacecraft Engineering, 29, 43-48(2020).