
332 CHAPTER 19. PROJECT 10: QPSK DIGITAL RECEIVERS
34
Stage3_Q [0] = Stage3_A [0]∗ Output_Q [2] −
36 Stage3_A [1]∗ Stage3_Q [1] −
Stage3_A [2]∗ Stage3_Q [2];
38 Output_Q [3] = Stage3_B [0]∗ Stage3_Q [0] +
Stage3_B [1]∗ Stage3_Q [1] +
40 Stage3_B [2]∗ Stage3_Q [2];
Stage3_I [0] = Stage3_A [0]∗ Output_I [2] −
42 Stage3_A [1]∗ Stage3_I [1] −
Stage3_A [2]∗ Stage3_I [2];
44 Output_I [3] = Stage3_B [0]∗ Stage3_I [0] +
Stage3_B [1]∗ Stage3_I [1] +
46 Stage3_B [2]∗ Stage3_I [2];
48 Stage4_Q [0] = Stage4_A [0]∗ Output_Q [3] −
Stage4_A [1]∗ Stage4_Q [1] −
50 Stage4_A [2]∗ Stage4_Q [2];
Output_Q [4] = Stage4_B [0]∗ Stage4_Q [0] +
52 Stage4_B [1]∗ Stage4_Q [1] +
Stage4_B ...