調(diào)制中頻生物電刺激的探討與設(shè)計(jì)
[Abstract]:If pulse modulated by low frequency sinusoidal can not only overcome the shortcomings of if pulse therapy which is easily adapted by the body, but also separate the treatment threshold which the body can bear from the pain threshold in the treatment. It is concluded that modulation of intermediate frequency pulse is more suitable for treatment pulse, and it has better therapeutic effect than low frequency and if pulse. At the same time, the main factors that affect the therapeutic effect of modulation if pulse, such as carrier frequency, are summarized. Modulation mode, modulation frequency, modulation amplitude, modulation waveform, etc. At last, a portable modulating medium frequency electrotherapy instrument based on single chip microcomputer is designed. The treatment machine with amplitude modulation of periodic time function has a great advantage in overcoming the adaptability of the body compared with the original one with equal amplitude output pulse.
【作者單位】: 四川大學(xué)電氣信息學(xué)院;
【分類號(hào)】:TH789
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