一类四项指数和的四次均值

On the Fourth Power Mean of One Kind Four-term Exponential Sums

本文利用三角和的性质以及同余方程解的个数研究了一类四项指数和的四次均值的计算问题,并给出两个精确的计算公式.

The main purpose of this paper is using the properties of the trigonometric sums and the number of the congruence equation to study the computational problem of the one kind fourth power mean involving the four-term exponential sums,and give two interesting computational formulae for it.