Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Circular error is the geospatial position horizontal accuracy expressed in feet or meters at 90% probability. |
|
|
Term
|
Definition
| Linear error is the geospatial position vertical accuracy expressed in feet or meters at 90% probability. |
|
|
Term
|
Definition
| Should be reported at 90% for targeting. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Target location error is the difference between the actual an express location of a target. TLE error is intrinsic to the sensor. |
|
|
Term
| CEP is circular error probable. |
|
Definition
- The geospatial horizontal accuracy expressed in feet or meters at 50% probability.
- CEP error is intrinsic to the weapons systems. |
|
|
Term
|
Definition
- Height above ellipsoid is the distance above or below on the ellipse with a mathematically defined regular surface used to express a geometric model of the earth.
- it was derived by using satellites to find the exact center of the earth and creating an ellipse a 3930 mile radius from that point out to the 45° latitude lines |
|
|
Term
|
Definition
- Mean Sea Level is a title datum that is arithmetic mean of hourly elevation observed over a specified 19 year cycle.
- it averages out tidal highs and lows caused by the changing effects of the gravitational forces of the sun and moon. |
|
|
Term
| The CE and and LE category 1 standard for targeting is: |
|
Definition
|
|
Term
| Geotrans is a NGA validated program that allows: |
|
Definition
| Converting geographic coordinates among a wide variety of coordinate systems, map projections, and Datums. |
|
|
Term
|
Definition
| A base reference for a coordinate system used to model the earth; there are two categories of a datum, horizontal and vertical. |
|
|
Term
| The vertical datum that is native to DPPDB is: |
|
Definition
|
|
Term
|
Definition
| The art and science of making measurements from photographs/imagery. |
|
|
Term
| The basic types of imagery are: |
|
Definition
| Electro – optical, infra – red and synthetic aperture. |
|
|
Term
| The current imagery sources (platforms) that can generate imagery used by the military are: |
|
Definition
| National technical means, the air breather theater systems, predator, IGNAT, shadow, Global hock, P– 3 Orion, U2 dragon lady, E-8JSTARS, scan eagle. |
|
|
Term
|
Definition
-Metadata allows the community to search and archive imagery.
- it also interfaces with other applications in Geo positioning
- most importantly, it provides Geo coordinates |
|
|
Term
| What impact does light, shadow and image angle/obliqueness have on target marker placement and ensure you state why each is important: |
|
Definition
-Obliquity and error can skew the coordinates of an image increasing the search time in terrain recognition.
- In mountainous terrain, adverse look angle and obliquity can be challenging.
- shadows can help identify what you are looking at washout too much light can inhibit image resolution. |
|
|
Term
| Mono imagery and stereo imagery: |
|
Definition
-Mono imagery is a 2D representation of a 3D world.
- Stereo imagery uses multiple image captures of the same area and allows us to look at the same thing from two different angles. |
|
|
Term
|
Definition
| The difference between the reference elevation and the actual terrain elevation creating a possible horizontal error. |
|
|
Term
| Sensor location, altitude, look into platform/sensor accuracy and ground track: |
|
Definition
| Are all error sources for image obliquity. |
|
|
Term
| Key features or characteristics to properly employ terrain recognition are: |
|
Definition
| North arrow orientation, look angle, lakes and rivers, roads and paths, structures and buildings, vegetation and soil patterns, light and shadow. |
|
|
Term
| It is important that you have all of the current digital point positioning database DPPDB for your area of operation and: |
|
Definition
| Purge obsolete DPPDB for accuracy and currency of the imagery. |
|
|
Term
| The typical data size for 1 DPPDB volume is: |
|
Definition
|
|
Term
|
Definition
| 60 nautical miles by 60 nautical miles |
|
|
Term
| You would use a segment that has a higher (decreased accuracy) CE and LE when: |
|
Definition
| The feature you are looking for is not on the current segment, has a raster burn through it, or unit SOP or COCOM dictate which ones to use. |
|
|
Term
| The national geospatial intelligence agency maintains an post: |
|
Definition
| The global holdings list and DPPDB. |
|
|
Term
| The combatant commander for there a AOR maintains the: |
|
Definition
|
|
Term
| When importing the global holdings list text file onto your computer or server it should: |
|
Definition
| Be placed in the images/DPPDB folder on your computer or server. |
|
|
Term
| A PFI is a 3D template, correlated from DPPDB stereo reference imagery and a single national image transmission format (NITF) file. PFI files are also: |
|
Definition
| NGA validated and approved for targeting with circular error, linear error terms. |
|
|
Term
| The following application support PFI files: |
|
Definition
| PFED, DPSS scene matching, handheld sync (HHS), PFIG, DIEE, PFI viewer – handheld (PFIV–H), and NITF viewer. |
|
|
Term
| CJCSI 3505.01B mandates individuals who: |
|
Definition
Derive coordinates used in the employment of coordinate seeking weapons be certified by NGA or an NGA accredited service,
Geographic combatant command/functional command (GCC/FCC) or allied program. |
|
|
Term
| TC 3–09.61 is the Army CONOPS that defines the training and certification standards and: |
|
Definition
| Procedures for the Army precision fires target coordinate mensuration TCM program. |
|
|
