While scanning sagital urinary bladder, (or even any simple…

While scanning sagital urinary bladder, (or even any simple cyst or inside the gall-bladder, you have the following lobe artifact (the energy of the sound emitted from the transducer from a different direction from the main beam axis), then you change your machine for this technique that varies the voltage to the individual elements to reduce grating lobes. What is this technique? First look at very carefully to the following image.