Application of Smart Sensor in Underwater Weak Object Detection and Positioning

Figure 21

Comparison histogram of actual coordinates and positioning coordinates of the underwater object.

(a) -axis value when SNR is 10 dB

(b) -axis value when SNR is 10 dB

(c) -axis value when SNR is 10 dB

(d) -axis value when SNR is 15 dB

(e) -axis value when SNR is 15 dB

(f) -axis value when SNR is 15 dB

(g) -axis value when SNR is 20 dB

(h) -axis value when SNR is 20 dB

(i) -axis value when SNR is 20 dB