Title :
Optimal bandwidth design of laser radar receiver
Author :
Jieni Zhang ; Xuesong Mao
Author_Institution :
Sch. of Inf. Sci. & Eng., Wuhan Univ. of Sci. & Technol., Wuhan, China
Abstract :
To improve the sensitivity of a car laser radar, the method of transmitting encoded signal has been discussed. However, for laser radar that transmits encoded signal, the bandwidth of transimpedance amplifier (TIA), which is used to transform current signal generated by photodiode in the receiver into voltage signal, was designed in the same way as those used in optical communication devices. Different from optical communication receivers, whose main purpose is to reproduce transmitting symbols, the optimal bandwidth of a car laser radar amplifier for maximizing detection ratio of the reflected signal is discussed in this paper. The amplifier, which is designed basing on the simulation results, is expected to improve the detection performance of the laser radar receiver.
Keywords :
automobiles; laser ranging; operational amplifiers; optical design techniques; optical information processing; optical radar; optical receivers; optimisation; photodiodes; radar receivers; TIA; car laser radar amplifier; car laser radar sensitivity; detection ratio maximization; encoded signal transmitting method; laser radar receiver; optical communication devices; optical communication receivers; optimal bandwidth design; photodiode; transimpedance amplifier; Bandwidth; Correlation; Laser radar; Modulation; Radar measurements; Receivers; Laser Radar; Optimal Bandwidth; Range measurement; Speed Measurement;
Conference_Titel :
Optical Communications and Networks (ICOCN), 2015 14th International Conference on
Conference_Location :
Nanjing
DOI :
10.1109/ICOCN.2015.7203717
