An algorithm for power system frequency measurement based on numerical differentiation and central Lagrangeinterpolation is presented.
提出了一种基于数字微分和拉格朗日插值的系统频率快速而准确的测量算法。
2
Under the condition of a discrete logarithm problem, S2 is decrypted by the OPE (Oblivious Polynomial Evaluation) protocol and LagrangeInterpolation Polynomial (scheme 2).
在离散对数困难问题的条件下，利用不经意多项式估值协议和拉格朗日插值多项式来解密s2(方案2)。
3
The results show that when the Lagrangeinterpolation is used the efficiency of calculation is elevated significantly. And the calculation converges quickly at low finite element number.