| In the electrical monitor system, each electrical parameter must be keep stabilization, for stabilization and safety of the electrical system, to keep the electro-reliability of the user. Each parameter must be sampling at real time, to monitor the stabilization of electrical wire.First this paper sun-up and analyze some kinds of arithmetic, give the strongpoint and shortcoming about the arithmetic. For calculate way analysis that have no filter out: a single dot method to adopt the kind and did not request every moment; Half period integral calculus calculate way, the worthwhile method collect the speed quick, the solid hour is strong. For calculate way analysis that these calculate ways that the calculation measures bigger ,solid hour shortage.Second The mend measures have been brought forward as the analysis result, the main factor that affect calculate way error margin is: Adopting the kind orders the number and adopt the kind beginning starts to order mutually a frequency with A/ D conversion accuracy etc., and the result that analyze according to the error margin put forward the some lets up the measure of the error margin.Then, put forward the small an analysis theories application in electricity the deal changes to send the machine aspect. To the small a theories is giving or get an electric shock the deal changes the application proceeding study that send the machine. According to the small a transformation principle, much distinguish to analyze the basic principle between principle and the calculate way of Mallat, deduce a theories for the small a theories used for the exchanges adopts the kind, have to out the amount of electricity collect the small a theories of calculate way formula.Finally, the formula assumption that deduce adopts according to the theories the kind beginning starts to order mutually is 0 degree, Imitate the true result enunciation: small a theories application in electricity the deal collects the inside can get the high accuracy.
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