Source Object A source is defined as the originator of an electrical signal. A coordinate frame is associated with a cluster. The origin and rotation of this frame is specified with respect to the platform coordinate frame. Table 5 Definition of ource ttributes – Attribute Description Enumeration Required Default (if not specified) cluster that this string No source belongs to Electrical type of No UNKNOWN this source Element No UNKNOWN polarization Origin with respect osition No to Orientation of rientation No normal vector to this source plane w.r.t. Band bject A and is defined as a span of RF spectrum. Each and is received from a single ource and converted to a sample stream by a signal processor that is typically referred to as an RF This analog signal represented by the experiences the following changes as it passes through this mixed-signal processing chain: The RF center frequency, FRF, is translated to FIF The spectrum may become inverted such that the frequency FRF+dF is translated to where dF is a frequency offset from FRF. The sampled representation of the band is delayed with respect to the signal incident at the center of the source (i.e. antenna element). This delay may vary with time, and is hence defined at the time of applicability, . An approximate double-sided half power bandwidth can be specified for the representation of the . The are specified in terms of . 6 Definition of – Attribute Description Enumeration Required Default (if not specified)
Source Object A source is defined as the originator of an electrical signal. A coordinate frame is associated with a cluster. The origin and rotation of this frame is specified with respect to the platform coordinate frame. Table 5 – Definition of ource ttributes Attribute Description Enumeration Required Default (if not specified) cluster that this source belongs to string No Electrical type of this source No UNKNOWN Element polarization No UNKNOWN Origin with respect to osition No Orientation of normal vector to this source plane w.r.t. rientation No Band bject A and is defined as a span of RF spectrum. Each and is received from a single ource and converted to a sample stream by a signal processor that is typically referred to as an RF This analog signal represented by the experiences the following changes as it passes through this mixed-signal processing chain: The RF center frequency, FRF, is translated to FIF The spectrum may become inverted such that the frequency FRF+dF is translated to where dF is a frequency offset from FRF. The sampled representation of the band is delayed with respect to the signal incident at the center of the source (i.e. antenna element). This delay may vary with time, and is hence defined at the time of applicability, . An approximate double-sided half power bandwidth can be specified for the representation of the . The are specified in terms of . 6 – Definition of Attribute Description Enumeration Required Default (if not specified)
DraftMetadataStd_19072017_v3.docx