ml△ 信号的实际值 量化误差 信号的量化值 m(6t. 2T 3T 4T 5T x113 信号的实际值 信号的量化值 m 量化误差 6 m5 m4 m3 m2 m1 Ts 2Ts 3Ts 4Ts 5Ts 6Ts 7Ts mq (6Ts ) m(6Ts ) t m7 6 x 5 x 4 x 3 x 2 x 1 x x(t) x (t) q