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AWRL1432: Can only moving targets produce ghosts?

Rata Zhang
Expert 2840 points
Part Number: AWRL1432

Tool/software:

Hi,

  In the Gtrack code, there is an sentence :

/* Ghost Points Marking*/
        if(inst->isAssociationGhostMarking)
        {
            /* First, check whether we are moving and point is dynamic with larger range */
            if( (isUnitStatic == false) &&                                              // Only moving targets can produce ghosts
                (point[n].vector.range > inst->H_s.vector.range) &&                     // Behind the target
                isDynamicPoint )                                                        // Only dynamic points can be marked
            {

Only moving targets can produce ghosts, here the radar is static. Now if the radar is moving,  this sentence 'Only moving targets can produce ghosts' is right or not? Is it relative with the radar status(static or dynamic)?

BR,

Rata

  • 0
    TI__Guru*** 148804 points

    Hi,

    This statement is related to g-track which only tracks moving objects.

    Generally speaking, ghosts can be created by incorrect board design and can also be static

    thank you

    Cesar

  • 0 in reply to Cesar
    Expert 2840 points

    Hi Cesar,

         Thanks for your reply. As you said, "This statement is related to g-track which only tracks moving objects.", it means that g-track is only used for tracking moving objects, is that right ? Why is g-track code designed only for  moving objects?  Now if  we also want to track static objects, where should be modified?

    BR,

    Rata

  • 0 in reply to Rata Zhang
    TI__Guru*** 148804 points

    Hi,

    I think there may be some confusion in the terminology used. What is your definition of tracking a static object.

    Usually a static object should be detected but if it is not moving there is no need to track

    thank you

    Cesar

  • 0 in reply to Cesar
    Expert 2840 points

    Hi Cesar,

        Thanks for your reply.  I know your meaning, the precondition is that the radar is static. But if the radar is installed on the car, and the car is moving, some static objects such as stopped cars, guard bar etc, are all important and we need to identify them. In this situation, can we use g_track code to track the static objects?

    BR,

    Rata

  • 0 in reply to Rata Zhang
    TI__Guru*** 148804 points

    Yes,

    if the sensor is moving, static objects are moving relative to the sensor and should be tracked

    thank you

    Cesar

  • 0 in reply to Cesar
    Expert 2840 points

    Hi Cesar,

       Thanks for your reply. In my application scenario, we can use the g-track code without any modification, is that right?If we want to know which is static and which is dynamic,  we just obtain the radar speed, is that right?

    BR,

    Rata

  • 0 in reply to Rata Zhang
    TI__Guru*** 148804 points

    The g-track requires configuration as described in the User Guide.

    The speed value provides you the information if an object is static or not

    I will close this thread now. 

    If you have new questions please start a new thread.

    thank you

    Cesar