Speckle Reduction for Ultrasonic Imaging Using Frequency Compounding and Despeckling Filters along with Coded Excitation and Pulse Compression

<table>(a) Individual envelopes showcasing the axial resolution for the REC reference case. the REC-FC cases, and the eREC-FC case. (b) Zoomed version of eREC-FC showing that the axial resolution was similar to REC-FC (full-width). Note that the axial resolution for REC-FC (full-width) is the same as CP.</table>

Advances in Acoustics and Vibration

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Figure 3: Speckle Reduction for Ultrasonic Imaging Using Frequency Compounding and Despeckling Filters along with Coded Excitation and Pulse Compression 

Figure 3 | Speckle Reduction for Ultrasonic Imaging Using Frequency Compounding and Despeckling Filters along with Coded Excitation and Pulse Compression 