infra-red image seeker
红外图像寻的器

• sight alignment
• sight axis
• sight bead
• sight ga(u)ge
• sighting
• sighting board
• sighting disk
• sighting distance
• sighting error
• sighting gear
• sighting mark error
• sighting piece
• sighting telescope
• sighting wire
• sight level
• sight vane alidade
• sigmoidoscope
• sign
• signal
• signal averager
• signal beam
• signal-carrying laser beam
• signal conversion
• signal distortion noise
• signal entropy