KEYWORDS: Signal to noise ratio, LIDAR, Signal processing, Signal detection, Distance measurement, Sensors, Analog electronics, Mathematical modeling, Gaussian pulse
Lidars are gaining popularity in the automotive domain, especially in the field of autonomous driving systems. Development of multi-channel, monolithic Lidars can reduce the system cost and size for better integration into automobile and/or robotic components. Since Lidars work on the principle of time of flight, an important function of the Lidar system is to precisely detect the time of arrival of the return pulse. A method is being discussed in this paper to detect the peak location in the Lidar return signal using differentiation. With a single chip solution, the proposed method can potentially reduce the footprint of the analog signal chain by 30%, but with a performance trade-off for signals with low SNR. The distance measurement accuracy of this method is being compared to the standard methods which use high-resolution, high-speed ADCs.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.