Sunday, December 15, 2013

Ultrasound

IntroductionWhen we first hear the word ?Ultrasound?, the first social function that comes in our mind is a contraption which is used to preventative off a developing fetus inside a enceinte lady?s womb. This is non a rendering of ultrasonography, it is sound the most common use of it but in secernate to properly understand that use, we have to know how and why it works. This is an act written for you to understand the true mystery understructure ultrasonography. hopefully by the end of this essay, you will have understand it. UltrasoundUltrasound is the stipulation used to describe a sound tremble which is everywhere the relative frequence of 20,000 Hz (The kind audibility limit). The reason its frequency is so high is so that it does not damage the human ear. However you will be move to know that steady nature uses ultrasound. Ultrasound is similar to the echo sounding used by bats, whales and dolphins. Here?s how it works:1.The subterfuge send appear an ult rasound wave2.The wave strikes an object and bounces back. exploitation the speed in different mediums, the distance to the object is cypher using this legislation: v = (2d/t). Ultrasound MachineAn ultrasound bastard is a machine that sends out ultrasound waves. In a typical ultrasound machine, millions of pulses and echoes are sent and received separately second.
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A staple fibre ultrasound machine has the undermentioned parts:Transducer essay - probe that sends and receives the sound wavesCentral processing whole (CPU) - computer that does all of the calculations and contains the electric power supplies for i tself and the transducer probeTransducer pul! se controls - changes the amplitude, frequency and duration of the pulses emitted from the transducer probeDisplay - displays the image from the ultrasound data processed by the CPUKeyboard/cursor - inputs data and takes measurements from the displayDisk computer storage device (hard, floppy, If you wishing to get a full essay, clubhouse it on our website: BestEssayCheap.com

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