BEACON_NUM_20
if (BEACON_NUM_20 == gain_diff_p->beacon_count) {
beacon_aver[0] = (gain_diff_p->beacon_stren_a) / BEACON_NUM_20;
beacon_aver[1] = (gain_diff_p->beacon_stren_b) / BEACON_NUM_20;
beacon_aver[2] = (gain_diff_p->beacon_stren_c) / BEACON_NUM_20;
noise_aver[0] = (gain_diff_p->noise_stren_a) / BEACON_NUM_20;
noise_aver[1] = (gain_diff_p->noise_stren_b) / BEACON_NUM_20;
noise_aver[2] = (gain_diff_p->noise_stren_b) / BEACON_NUM_20;