通達信的一個公式.提示時間參數問題.請老師修改成wh8.2過濾模型

SJTJ:=DATE<2033090301;
MAH:=(H*18+REF(H,1)*17+REF(H,2)*16+REF(H,3)*15+REF(H,4)*14+REF(H,5)*13+REF(H,6)*12+REF(H,7)*11+REF(H,8)*10+REF(H,9)*9+REF(H,10)*8+REF(H,11)*7+REF(H,12)*6+REF(H,13)*5+REF(H,14)*4+REF(H,15)*3+REF(H,16)*2+REF(H,17)*1)/171;
MAL:=(L*18+REF(L,1)*17+REF(L,2)*16+REF(L,3)*15+REF(L,4)*14+REF(L,5)*13+REF(L,6)*12+REF(L,7)*11+REF(L,8)*10+REF(L,9)*9+REF(L,10)*8+REF(L,11)*7+REF(L,12)*6+REF(L,13)*5+REF(L,14)*4+REF(L,15)*3+REF(L,16)*2+REF(L,17)*1)/171;
MA5:=MA(CLOSE,5);
MA10:=MA(CLOSE,10);
MA20:=MA(CLOSE,20);
MA60:=MA(CLOSE,60);
DK:= SJTJ AND( CLOSE>=MAH OR (C>MA5 AND C>MA10 AND C>MA20 AND C>MA60));
KK:= SJTJ AND( MAL>CLOSE OR (C<MA5 AND C<MA10 AND C<MA20 AND C<MA60));
DK1:=BARSLAST(DK);
KK1:=BARSLAST(KK);
DK2:=BARSLAST(CROSS(KK1,DK1));
KK2:=BARSLAST(CROSS(DK1,KK1));
HS:=DK2<KK2;
LS:=KK2<DK2;
W2:=OPEN-CLOSE;
HT:=IF(OPEN>CLOSE,OPEN,CLOSE);
LT:=IF(OPEN<CLOSE,OPEN,CLOSE);
STICKLINE(HS,REFDATE(HHV(H,0),DATE),REFDATE(LLV(L,0),DATE),6,0),COLOR001050;
STICKLINE(LS,REFDATE(HHV(H,0),DATE),REFDATE(LLV(L,0),DATE),6,0),COLORBLACK;
STICKLINE(W2>0 AND HS,OPEN,CLOSE,2,0),COLORRED;
STICKLINE(W2>0 AND HS,OPEN,H,0.0,0),COLORRED;
STICKLINE(W2>0 AND HS,C,L,0.0,0),COLORRED;
STICKLINE(W2<=0 AND HS,OPEN,CLOSE,2,1),COLORRED;
STICKLINE(W2<=0 AND HS,O,L,0.0,0),COLORRED;
STICKLINE(W2<=0 AND HS,C,H,0.0,0),COLORRED;
STICKLINE(W2>0 AND LS,OPEN,CLOSE,2,0),COLORGREEN;
STICKLINE(W2>0 AND LS,OPEN,H,0.0,0),COLORGREEN;
STICKLINE(W2>0 AND LS,C,L,0.0,0),COLORGREEN;
STICKLINE(W2<=0 AND LS,OPEN,CLOSE,2,1),COLORGREEN;
STICKLINE(W2<=0 AND LS,C,H,0.0,0),COLORGREEN;
STICKLINE(W2<=0 AND LS,O,L,0.0,0),COLORGREEN;
DRAWNUMBER(ISLASTBAR AND LS,MAH,MAH),COLORYELLOW;
DRAWNUMBER(ISLASTBAR AND HS,MAL,MAL),COLORYELLOW;
最新價:IF(SJTJ, C,DRAWNULL),LINETHICK0,COLORYELLOW;
趨勢線:=(MAH+MAL)/2 COLORGREEN,,LINETHICK2;
趨勢線上升:IF(HS,趨勢線,DRAWNULL),LINETHICK2,COLORRED;
趨勢線下降:IF(LS,趨勢線,DRAWNULL),LINETHICK2,COLORGREEN;
DRAWICON(HS,趨勢線*0.995,1);
DRAWICON(LS,趨勢線*1.005,2);
DRAWNUMBER(ISLASTBAR ,C,C),COLORWHITE;
AAA:=CONST(HHV(H,50));
PL5:=HHV(H,45);

您具體想要如何修改？滿足什么條件時執行什么操作？請詳細說明一下

REFDATE(HHV(H,0),DATE)，不同的軟件中DATE函數的定義和取值不同，您說明下DATE具體是想要取得哪一天的日期？