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The design of the measurement of fetal hear beat | ||
| Thi-Qar University Journal for Agricultural Researches | ||
| Article 1, Volume 2, Issue 1, 2013, Pages 71-84 | ||
| Author | ||
| Asmaa Sh. Aliawy | ||
| Abstract | ||
| Scraannig device operates fetal pulse Ultrasoinc Ultrasoinc It generates ultrasound waves the device through the Department of oscillator frepuency 2.4 MH2 Snt through the probe probe By Crystal. The reflected signal is received Reflected signal Of fetal heart strongly different depending on the development of fetal heart (The case of extraversion and contract) . Grow electronic reference circuit(Amplifier) And to ensure orderly volune (Volune) And the intensity selector switch (Attenuator) And be directed to the headset amplifier and pulse index also contains the device on a circuit equipped with the ability( power Supply ) ,Which works on the effort 220 VAC And that feeds the rest of the circuit electrical power . As well as rechargeable batteries for the device when not provide a source of energy .Device works put the sensor on the uterine pain and when directed in the right place at the heart of the fetus shows a signal pulse of the heart in the form of a voice as well as impulses in the index . | ||
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