1. 1 2 3 4 5 Eigenvalue 2.80703xl 021.10244xl 048.64349xl 043.31948xl 059.07265xl 05
2. 1 2 3 4 5 Singular value 1.15698xl 031.17337xl 031.75681xl 032.06681xl 032.31299xl 03
3. EID IRS253.1859x10° 3.7402x10° 2.4145x10° 3.1431x10° 1.6052xl 074.8117xl 064.7320xl 061.5743xl 07
4. The support of Korea Science and Engineering Foundation, "Sensor Placement and Damage Detection", No. 2000-2-30400- 30004-3, is greatly appreciated.