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track-before-detect
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通过对弱小目标连续出现的信号进行逐帧相关累积来估计目标的可能轨迹,对估计的可能轨迹进行检测判决的过程。发现和跟踪弱信号目标(如隐身目标、机动目标、干扰环境目标,以及导弹、无人机等特定小目标)的有效技术途径之一。
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ultrasonication
ultrasonic attenuation
ultrasonic attenuation spectrum measurement in multi-phase flows
ultrasonic backscattering
ultrasonic bioeffect
ultrasonic bioeffects
ultrasonic biophysics
Ultrasonic Bonding
ultrasonic bonding
ultrasonic cavitation
ultrasonic cleaner
ultrasonic cleaning
ultrasonic coagulation
ultrasonic couplant
ultrasonic couplant, ultrasonic coupling agent
ultrasonic coupling agent
ultrasonic cutter
ultrasonic decontamination
ultrasonic delay line glass
ultrasonic detection
ultrasonic diagnosis
ultrasonic diagnostic device
ultrasonic diagnostics
ultrasonic drug delivery
ultrasonic electrolysis combined grinding
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