藍牙協議（GAVDP）This profile defines the requirements for Bluetooth™ devices necessary to set up streaming channels used for support of audio/video distribution. The requirements are expressed in terms of services provided to applications, and by defining the features and procedures that are required for interoperability between Bluetooth devices in the Audio/Video Distribution usage model.
Surface profile measurement by noncontact optical methods has been extensively studied because of its importance in automated manufacturing, component quality control, medicine, and robotics. In most of these methods a known periodic pattern,
