Bistatic Radar
E260011
Bistatic radar is a radar system in which the transmitter and receiver are located at separate sites, enabling specialized measurements such as detailed surface and composition analysis of planetary bodies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bistatic Radar canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2373008 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bistatic Radar Context triple: [Chandrayaan-1, carriedInstrument, Bistatic Radar]
-
A.
Dual Frequency Synthetic Aperture Radar
Dual Frequency Synthetic Aperture Radar is a lunar-mapping radar instrument that uses two microwave frequency bands to image the Moon’s surface and subsurface, particularly to detect and characterize water ice and regolith properties.
-
B.
Airborne Stand-Off Radar
Airborne Stand-Off Radar was a British Royal Air Force surveillance and reconnaissance program centered on the Raytheon Sentinel R1 aircraft, designed to provide long-range, all-weather battlefield and ground-moving-target intelligence.
-
C.
IEEE Radar Systems Panel
The IEEE Radar Systems Panel is a technical body within the IEEE that provides leadership, coordination, and guidance for the radar engineering community, including overseeing major radar-related conferences and activities.
-
D.
Window radar countermeasures
Window radar countermeasures were a World War II-era British electronic warfare technique that used clouds of metallic strips to confuse enemy radar and protect Allied aircraft.
-
E.
APY-10 multi-mission surface search radar
The APY-10 multi-mission surface search radar is an advanced maritime surveillance and targeting radar system used on platforms like the Boeing P-8 Poseidon for detecting, tracking, and classifying surface and subsurface contacts in all weather conditions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bistatic Radar Target entity description: Bistatic radar is a radar system in which the transmitter and receiver are located at separate sites, enabling specialized measurements such as detailed surface and composition analysis of planetary bodies.
-
A.
Dual Frequency Synthetic Aperture Radar
Dual Frequency Synthetic Aperture Radar is a lunar-mapping radar instrument that uses two microwave frequency bands to image the Moon’s surface and subsurface, particularly to detect and characterize water ice and regolith properties.
-
B.
Airborne Stand-Off Radar
Airborne Stand-Off Radar was a British Royal Air Force surveillance and reconnaissance program centered on the Raytheon Sentinel R1 aircraft, designed to provide long-range, all-weather battlefield and ground-moving-target intelligence.
-
C.
IEEE Radar Systems Panel
The IEEE Radar Systems Panel is a technical body within the IEEE that provides leadership, coordination, and guidance for the radar engineering community, including overseeing major radar-related conferences and activities.
-
D.
Window radar countermeasures
Window radar countermeasures were a World War II-era British electronic warfare technique that used clouds of metallic strips to confuse enemy radar and protect Allied aircraft.
-
E.
APY-10 multi-mission surface search radar
The APY-10 multi-mission surface search radar is an advanced maritime surveillance and targeting radar system used on platforms like the Boeing P-8 Poseidon for detecting, tracking, and classifying surface and subsurface contacts in all weather conditions.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
radar system
ⓘ
remote sensing technique ⓘ |
| advantage |
ability to exploit forward scatter
ⓘ
enhanced target scattering information ⓘ flexible geometry for coverage optimization ⓘ increased survivability of receiver ⓘ potential for low probability of intercept ⓘ reduced vulnerability to anti-radiation weapons ⓘ |
| appliedIn |
defense and security
ⓘ
ionospheric studies ⓘ ocean surface remote sensing ⓘ planetary science ⓘ terrain mapping ⓘ |
| canOperateAt | various radio frequency bands ⓘ |
| canUse |
active transmitter
ⓘ
communication transmitter as illuminator ⓘ opportunistic illuminator of opportunity ⓘ |
| contrastsWith | monostatic radar ⓘ |
| disadvantage |
more complex calibration
ⓘ
more complex signal processing ⓘ more complex synchronization requirements ⓘ |
| enables | specialized radar measurements ⓘ |
| hasConfiguration | spatially separated transmitter and receiver ⓘ |
| hasGeometry | transmitter-target-receiver triangle ⓘ |
| hasKeyParameter |
bistatic Doppler frequency
ⓘ
bistatic angle ⓘ bistatic range ⓘ |
| hasReceiverLocation | separate from transmitter ⓘ |
| hasTransmitterLocation | separate from receiver ⓘ |
| hasVariant |
forward-scatter radar
ⓘ
multistatic radar ⓘ passive bistatic radar ⓘ |
| measures |
dielectric properties of surfaces
ⓘ
surface roughness characteristics ⓘ target radar cross section in bistatic geometry ⓘ |
| relatedTo |
monostatic radar cross section
ⓘ
scattering matrix measurement ⓘ synthetic aperture radar ⓘ |
| requires |
knowledge of receiver position
ⓘ
knowledge of target geometry ⓘ knowledge of transmitter position ⓘ time synchronization between transmitter and receiver ⓘ |
| usedFor |
aircraft detection
ⓘ
composition analysis of planetary bodies ⓘ covert surveillance ⓘ missile detection ⓘ remote sensing of Earth ⓘ scattering property measurement ⓘ surface analysis of planetary bodies ⓘ target tracking ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Bistatic Radar Description of subject: Bistatic radar is a radar system in which the transmitter and receiver are located at separate sites, enabling specialized measurements such as detailed surface and composition analysis of planetary bodies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.