Based on the work of current zero crossing forecasts,the accuracy of current introducing time was guaranteed.

Constructing a reduced-order H-infinity controller using stable invariant zeros;

A note on the zeros of irreducible characters out of a normal subgroup;

An Inequality for Nonlinear Mermorphic Functions with Few Simple Zeros;

On the zeros of some second degree exponential polynomials;

On the Zeros of Differential Polynomials of Meromorphic Functions;

In the paper,a theorem is put forward that,for small sampling periods,the accuracy of all limiting zeros of the pulse transfer function for a system composed of a zero-order hold is followed by a continuous-time plant.

Iterative approximation of common zero points for finite maximal monotone operators;

the arcticle proposes the remodel of QGS-08B type infrared gas analyzer range from paucity to constant by adjuged air chamber length,and it is certified that linerrity、repeatability and zero point.

This paper introduces how to use a digital filter designed with the method of zero point and pole configuration and product method of two points as an algorithm of microcomputer current protection or 10(6)kV power transmission line.