Name two sensor types commonly used in target acquisition.

Name two sensor types commonly used in target acquisition.

• A. Infrared and acoustic
• B. Lidar and sonar
• C. Ultraviolet and radio
• D. Electro-optical/Infrared (EO/IR) and radar

Answer: (D)

Target acquisition relies on sensing modalities that can detect and identify potential targets under different conditions. Electro-optical/infrared sensors give high-resolution images in visible and infrared wavelengths, letting you see details, textures, and signatures of targets, especially in daylight or nighttime operations. Radar, using radio waves, can detect and determine range to targets at long distances and in adverse weather, where optical sensors may struggle. Together, EO/IR and radar cover complementary strengths: detailed visual or signature information from EO/IR plus reliable long-range detection and ranging from radar, enabling accurate and robust target acquisition. Other pairs mix modalities that aren’t as widely used for general target acquisition across environments—for example, acoustic sensors are primarily for underwater or specialized applications, and lidar with sonar spans incompatible domains. Ultraviolet with radio isn’t a common, practical duo for broad acquisition needs. The combination of EO/IR and radar remains the standard due to its versatility and effectiveness.

Target acquisition relies on sensing modalities that can detect and identify potential targets under different conditions. Electro-optical/infrared sensors give high-resolution images in visible and infrared wavelengths, letting you see details, textures, and signatures of targets, especially in daylight or nighttime operations. Radar, using radio waves, can detect and determine range to targets at long distances and in adverse weather, where optical sensors may struggle. Together, EO/IR and radar cover complementary strengths: detailed visual or signature information from EO/IR plus reliable long-range detection and ranging from radar, enabling accurate and robust target acquisition.

Other pairs mix modalities that aren’t as widely used for general target acquisition across environments—for example, acoustic sensors are primarily for underwater or specialized applications, and lidar with sonar spans incompatible domains. Ultraviolet with radio isn’t a common, practical duo for broad acquisition needs. The combination of EO/IR and radar remains the standard due to its versatility and effectiveness.