[1] George R. Grant, Kenneth L. Orloff. Two-color dual-beam backscatter laser Doppler velocimeter. Appl. Opt., 1973, 12(12):2913~2916
[3] W. M. Farmer, J. O. Hornkohl. Two-component, self-aligning laser vector velocimeter. Appl. Opt., 1973, 12(11):2636~2640
[5] Xiaoming Guo, Shikang Wang, Changwen Liu et al.. A new LDA system utilizing the optic-electro-hybrid feedback technique. J. Phys. E (Meas. Sci. Technol.), 1990, 1(3):265~271
[6] L. E. Drain. The Laser Doppler Technique. John Wiley & Son, 1980