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MAMA.mq4
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  • 楼主admin 圈主
  • 2019-05-05 05:03
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  1. //+------------------------------------------------------------------+
  2. //|                                                #MAMA.mq4 |
  3. //|                                                                  |
  4. //|                                       http://forex.kbpauk.ru/    |
  5. //+------------------------------------------------------------------+

  7. #property link      "http://forex.kbpauk.ru/"

  9. #property indicator_chart_window
  10. #property indicator_buffers 2
  11. #property indicator_color1 Aqua
  12. #property indicator_color2 Chocolate

  14. //---- input parameters
  15. extern double FastLimit=0.5;
  16. extern double SlowLimit=0.05;

  18. //---- buffers
  19. double FABuffer[];
  20. double MABuffer[];

  22. //+------------------------------------------------------------------+
  23. //| Custom indicator initialization function                         |
  24. //+------------------------------------------------------------------+
  25. int init()
  26.   {
  27.    string short_name;
  28. //---- indicator line
  29.    SetIndexStyle(0,DRAW_LINE);
  30.    SetIndexStyle(1,DRAW_LINE);
  31.    SetIndexBuffer(0,FABuffer);
  32.    SetIndexBuffer(1,MABuffer);

  34. //---- name for DataWindow and indicator subwindow label
  35.    short_name="#MAMA";
  36.    IndicatorShortName(short_name);
  37.    SetIndexLabel(0,"#FAMA");
  38.    SetIndexLabel(1,"#MAMA");

  40. //----
  41.    SetIndexDrawBegin(0,50);
  42.    SetIndexDrawBegin(1,50);

  44. //----
  45.    return(0);
  46.   }
  47. //+------------------------------------------------------------------+
  48. //| #MAMA                                                            |
  49. //+------------------------------------------------------------------+
  50. int start()
  51.   {
  52.    int i,counted_bars=IndicatorCounted();


  55. double jI, jQ, DeltaPhase, alpha, ttime;
  56. double Price[5],Smooth[8],Detrender[8],Q1[8],I1[8],I2[3],Q2[3];
  57. double Re[3],Im[3],SmoothPeriod[3],Period_[3],Phase[3],MAMA[3],FAMA[3];
  58. //----
  59.    if(Bars<=5) return(0);

  61. //----
  62.    i=(Bars-counted_bars)+50;
  63.    while(i>=0)
  64.      {
  65. Price[1]=((High[i]+Low[i])/2); Price[2]=((High[i+1]+Low[i+1])/2);
  66. Price[3]=((High[i+2]+Low[i+2])/2); Price[4]=((High[i+3]+Low[i+3])/2);

  68. Smooth[1] = (4*Price[1] + 3*Price[2] + 2*Price[3] + Price[4]) / 10;
  69. Detrender[1] = (0.0962*Smooth[1] + 0.5769*Smooth[3] - 0.5769*Smooth[5] - 0.0962*Smooth[7])*(0.075*Period_[2] + 0.54);

  71. // {Compute InPhase and Quadrature components}
  72. Q1[1] = (0.0962*Detrender[1] + 0.5769*Detrender[3] - 0.5769*Detrender[5] - 0.0962*Detrender[7])*(0.075*Period_[2] + 0.54);
  73. I1[1] = Detrender[4];

  75. // {Advance the phase of I1 and Q1 by 90 degrees}
  76. jI = (0.0962*I1[1] + 0.5769*I1[3] - 0.5769*I1[5] - 0.0962*I1[7])*(0.075*Period_[2] + 0.54);
  77. jQ = (0.0962*Q1[1] + 0.5769*Q1[3] - 0.5769*Q1[5] - 0.0962*Q1[7])*(0.075*Period_[2] + 0.54);

  79. // {Phasor addition for 3 bar averaging)}
  80. I2[1] = I1[1] - jQ;
  81. Q2[1] = Q1[1] + jI;

  83. // {Smooth the I and Q components before applying the discriminator}
  84. I2[1] = 0.2*I2[1] + 0.8*I2[2];
  85. Q2[1] = 0.2*Q2[1] + 0.8*Q2[2];

  87. // {Homodyne Discriminator}
  88. Re[1] = I2[1]*I2[2] + Q2[1]*Q2[2];
  89. Im[1] = I2[1]*Q2[2] - Q2[1]*I2[2];
  90. Re[1] = 0.2*Re[1] + 0.8*Re[2];
  91. Im[1] = 0.2*Im[1] + 0.8*Im[2];
  92. if (Im[1]!=0 && Re[1]!=0) Period_ [1]= 360/MathArctan(Im[1]/Re[1]);
  93. if (Period_[1]>1.5*Period_[2]) Period_[1] = 1.5*Period_[2];
  94. if (Period_[1]<0.67*Period_[2])Period_[1] = 0.67*Period_[2];
  95. if (Period_[1]<6) Period_[1] = 6;
  96. if (Period_[1]>50) Period_[1] = 50;
  97. Period_[1] = 0.2*Period_[1] + 0.8*Period_[2];
  98. SmoothPeriod[1] =0.33*Period_[1] + 0.67*SmoothPeriod[2];

  100. if (I1[1] != 0) Phase[1] = (MathArctan(Q1[1] / I1[1]));
  101. DeltaPhase = Phase[2] - Phase[1];
  102. if (DeltaPhase < 1) DeltaPhase = 1;
  103. alpha = FastLimit / DeltaPhase;
  104. if (alpha < SlowLimit)  alpha = SlowLimit;
  105. MAMA[1] = alpha*Price[1] + (1 - alpha)*MAMA[2];
  106. FAMA[1] = 0.5*alpha*MAMA[1] + (1 - 0.5*alpha)*FAMA[2];


  109. FABuffer[i]=MAMA[1];
  110. MABuffer[i]=FAMA[1];


  113. Smooth[7]=Smooth[5];Smooth[6]=Smooth[5];Smooth[5]=Smooth[4];Smooth[4]=Smooth[3];Smooth[3]=Smooth[2];Smooth[2]=Smooth[1];
  114. Detrender[7]=Detrender[6];Detrender[6]=Detrender[5];Detrender[5]=Detrender[4];Detrender[4]=Detrender[3];Detrender[3]=Detrender[2];Detrender[2]=Detrender[1];
  115. Q1[7]=Q1[6];Q1[6]=Q1[5];Q1[5]=Q1[4];Q1[4]=Q1[3];Q1[3]=Q1[2];Q1[2]=Q1[1];
  116. I1[7]=I1[6];I1[6]=I1[5];I1[5]=I1[4];I1[4]=I1[3];I1[3]=I1[2];I1[2]=I1[1];
  117. Q2[2]=Q2[1];
  118. I2[2]=I2[1];
  119. Re[2]=Re[1];
  120. Im[2]=Im[1];
  121. SmoothPeriod[2]=SmoothPeriod[1];
  122. Phase[2]=Phase[1];
  123. Period_[2]=Period_[1];
  124. MAMA[2]=MAMA[1];
  125. FAMA[2]=FAMA[1];




  130. i--;
  131.      }
  132.    return(0);
  133.   }
  134. //+------------------------------------------------------------------+
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