Furthermore, there are two criteria for FIR filters design, one is equiripple criterion (minimum peak error or Chebyshev criterion) and the other is least squared error (LSE) criteria.

• 此外,在FIR滤波器的设计中存在两种准则:一是等波纹设计准则 (即最大误差最小化或者Chebyshev准则 ),另一种是平方误差最小准则。