Measurement and signature intelligence
（重定向自MASINT）
![Remote sensing—relationships between radiation source, target and sensor](/Images/godic/202501/26/MASINT-source-target-sensor2117.png")
![Remote sensing geometry—relationships between scanning sensor and target](/Images/godic/202501/26/MASINT-Sensor-geometry2117.png")
Measurement and signature intelligence (MASINT) is a technical branch of intelligence gathering, which serves to detect, track, identify or describe the signatures (distinctive characteristics) of fixed or dynamic target sources. This often includes radar intelligence, acoustic intelligence, nuclear intelligence, and chemical and biological intelligence.