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How to determine a beast with black and white B ultrasound machine performance is good or bad?
1, gray: early machines of 16 - 64 gray scale, modern machines in more than 256 gray scale.
2, resolution: to use a dedicated module detection, by the experience of ultrasound doctors can also be judged by the naked eye.
3, the function: M-mode and Doppler features, a variety of measurement capability (distance, area, perimeter, volume), image storage, multi segment STC free control, dynamic focusing, can with broadband probe and by the frequency conversion function.
4, probe: can be equipped with a variety of probe capabilities, such as: heart, abdomen, convex array, phase control, vaginal probe, rectal probe, esophageal probe, puncture probe, intraoperative probe, high frequency probe, etc..
5, image processing: black and white flip, the image edge processing, smoothing, gamma correction.
2016.8.23
