= "28"){
$array_z[] = $data['0'];
$array_x[] = $data['1'];
$array_y[] = $data['2'];
}
$row++;
}
}
foreach($array_x as $key=>$value){
$radial_x[]=$value;
}
$period = 512;
$fft = new FFT($period);
$divided = ($period/2)-1;
$fft_data_z = $fft->fft($radial_x);
$power = $fft->getAbsFFT($fft_data_z);
foreach($power as $key=>$value){
$vertical[]="{x:".$key.",y:".$value."}";
}
for($j=0;$j<=$divided;$j++){
$array_z[] = $power[$j];
}
print_r($vertical);
/*foreach($array_z as $key=>$value){
$vertical[]="{x:".$key.",y:".$value."}";
}*/
foreach($array_y as $key=>$value){
$transverse[]="{x:".$key.",y:".$value."}";
}
foreach($array_x as $key=>$value){
$radial[]="{x:".$key.",y:".$value."}";
}
?>
StartTime : Record Length(sec) :