Radar SAR
Synthetic Aperture Radar (SAR) spot light model.Available for these objects: Access
Restrictions: Access - Applies when one object is a Radar.
Type: Time-varying data.
Availability: Reports | Graphs | Dynamic Displays | Strip Charts
Data Provider Elements
| Name | Dimension | Type | Description |
|---|---|---|---|
| Access Number | Unitless | Integer | The number of the current access interval from the list of access intervals. |
| Time | Date | Real Number or Text | Time. |
| SAR Time-Resolution Prod | SARTimeResProd | Real Number | Computed as lambda/(2 * xyAngleRate) |
| SAR Max Scene Width | Distance | Real Number | Ratio of the quantity (pulse repetition frequency * azimuth resolution time) to the azimuth broadening factor |
| SAR Integration Time | Time | Real Number | The integration time for the dwell of pulses; computed as (SAR Time Resolution / Az Resolution); you can also enter this value yourself |
| SAR Az Resolution | Distance | Real Number | Computed as (lambda * dopplerRes)/(2 * xyAngleRate*range); you may also enter the value based on radar system specs |
| SAR Rng Resolution | Distance | Real Number | Computed as (c * Pulse Width)/(2 * Pulse Compression Ratio); you may also enter this value based on radar system specs |
| SAR Area Rate | Area Rate | Real Number | Computed as (sceneDepth * maxdSceneWidth)/(cos(Grazing) * integrationTime) |
| SAR Image Area | Area | Real Number | The area covered by a SAR scan, computed as (Area Rate * Integration Time) |
| Noise Density | PowerSpectralDensity | Real Number | The composite value of the carrier to noise density ratio (C/No) across all hops of an analog bent pipe communications link where C is the carrier power and No = kT (Boltzmann's constant x system temperature) is the noise density. Note that C/No is equivalent to C/N with a normalized Bandwidth (B=1). |
| SAR SNR | Ratio | Real Number | Signal power to Noise power ratio for a SAR |
| SAR SCR | Ratio | Real Number | Signal power to Clutter power ratio for a SAR |
| SAR CNR | Ratio | Real Number | Clutter power to the Noise power ratio for a SAR signal |
| SAR PTCR | Ratio | Real Number | Point Target Clutter Ratio for a SAR |
| SAR Add Noise Coef | Ratio | Real Number | Ratio of the clutter coefficient to the clutter-to-noise ratio (CNR) |
| SAR Noise Bandwidth | Bandwidth | Real Number | Radar receiver's RF front-end LNA bandwidth |
| SAR Noise Power | Power | Real Number | Total noise power, as seen by the radar receiver across its RF bandwidth |
| SAR S/(N+J) | Ratio | Real Number | Ratio of the Signal power to the sum of Noise and Jamming powers for a SAR |
| SAR S/(C+N+J) | Ratio | Real Number | Ratio of the Signal power to the sum of Clutter, Noise, and Jamming powers for a SAR |
| SAR C/(N+J) | Ratio | Real Number | Ratio of the Clutter power to the sum of Noise and Jamming powers for a SAR signal |
| SAR J/S | Ratio | Real Number | Ratio of the Jamming power to the Signal power for a SAR |
| SAR Jamming Bandwidth | Bandwidth | Real Number | Radar receiver's RF front-end LNA bandwidth, used to compute the jamming signal bandwidth overlap |
| Jamming Power Density | PowerSpectralDensity | Real Number | Jamming power density at the radar receiver for the orthogonal polarization channel. |
| SAR Jamming Power | Power | Real Number | Jamming power at the radar receiver |
| SAR Clutter Power | Power | Real Number | Power of the Clutter return for a SAR |
| SAR Ortho Pol SNR | Ratio | Real Number | Ratio of signal power to the noise power for the orthogonal polarization channel of a SAR |
| SAR Ortho Pol SCR | Ratio | Real Number | Signal power to Clutter power ratio for the orthogonal polarization signal channel of a SAR |
| SAR Ortho Pol CNR | Ratio | Real Number | Clutter power to the Noise power ratio for SAR for the orthogonal polarization signal channel. |
| SAR Ortho Pol PTCR | Ratio | Real Number | Point Target Clutter Ratio for the orthogonal polarization signal channel of a SAR |
| SAR Ortho Pol S/(N+J) | Ratio | Real Number | Ratio of the Signal power to the sum of Noise and Jamming powers for the orthogonal polarization signal channel of a SAR |
| SAR Ortho Pol S/(C+N+J) | Ratio | Real Number | Ratio of the Signal power to the sum of Clutter, Noise, and Jamming powers for the orthogonal polarization signal channel of a SAR |
| SAR Ortho Pol C/(N+J) | Ratio | Real Number | Ratio of the Clutter power to the sum of Noise and Jamming powers for a SAR for the orthogonal polarization signal channel |
| SAR Ortho Pol J/S | Ratio | Real Number | Ratio of the Jamming power to the Signal power for the orthogonal polarization signal channel of a SAR |
| Ortho Pol Jamming Power Density | PowerSpectralDensity | Real Number | Jamming power density at the radar receiver for the orthogonal polarization channel. |
| Ortho Pol Jamming Power | Power | Real Number | Jamming power at the radar receiver for the orthogonal polarization channel. |
| SAR Ortho Pol Clutter Power | Power | Real Number | Power of the Clutter return for the orthogonal polarization signal channel of a SAR |
| Pol Loss Primary | Ratio | Real Number | Polariztion loss due to the signal polarization mismatch to the receiver polarization for the primary polarization signal channel. |
| Pol Rel Angle Primary | Angle | Real Number or Text | The angle corresponding to the relative mismatch between the transmitted signal polarization and the receiver polarization for the primary polarization signal channel. |
| Pol Loss Ortho | Ratio | Real Number | Polariztion loss due to the signal polarization mismatch to the receiver polarization for the orthogonal polarization signal channel. |
| Pol Rel Angle Ortho | Angle | Real Number or Text | The angle corresponding to the relative mismatch between the transmitted signal polarization and the receiver polarization for the orthogonal polarization signal channel. |