The characteristics of dual tap filter and predicted error filter are analyzed, which are auto-adapted filters, and a numerical simulation is performed on computer.
对双向抽头滤波器和预测误差滤波器这两种自适应滤波器的特性进行了分析，并在计算机上进行了数值仿真。
The utility model relates to a dual-purpose tap spanner with a bidirectional ratchet, which is improved on the basis of the existing dual-purpose spanner.
双向棘轮梅花两用扳手，是在现有两用扳手的基础上进行改进。
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