| Title | Multi-Frequency CW-Based Time Delay Estimation for Proximity Ultrasonic Sensors |
| Publication Type | Journal Article |
| Year of Publication | 2002 |
| Authors | Li, X., R. Wu, M. Sheplak, and J. Li |
| Journal | IEE Proceedings: Radar, Sonar, and Navigation |
| Volume | 149 |
| Pagination | 53-59 |
| Date Published | JUL |
| URL | http://dx.doi.org/10.1049/ip-rsn:20020279 |
| DOI | 10.1049/ip-rsn:20020279 |
