代码片段（通达信）：{过滤前的信号}BUY:= 你的信号;SELL:= 你的信号;B2:=BAAST(BUY);S2:=BARSLAST(SELL);{过滤多余买卖信号的条件}FBUY:=OSS(S2,B2);FSELL:=CROSS(B2,S2);过滤后的买进信号:= BUY AND FBUY;过滤后的卖出信号:= SELL AND FSELL;示例代码：过滤前:C;{过滤前的买卖信号}BUY:= C>REF(C,1)*1.05;SELL:= C<REF(C,1)*0.97;B2:=BARSLAST(BUY);S2:=BARSLAST(SELL);{过滤多余买卖信号的条件}FBUY:=CROSS(S2,B2);FSELL:=CROSS(B2,S2);BUYNEW:= BUY AND FBUY;SELLNEW:= SELL AND FSELL;过滤后: 过滤前+5;DRAWICON(BUYNEW,过滤后,1);DRAWICON(SELLNEW,过滤后,2);DRAWICON(BUY, 过滤前,1);DRAWICON(SELL, 过滤前,2);