sector-scan

基本解释

mechanical sector scan transducer
機械扇形(超聲)掃描換能器
The Steady Rotating Speed Control for Precision Sector Scan
精密扇形掃描穩速控制
The Effect of Target Angle on Range Estimate Error in Sector Scan TWS Radar
扇形掃描的TWS雷達目標方位角對距離估計誤差的影響
In this paper by combining principles of sector scanning Computer Tomography( CT) with the flame radiative transfer equation, the control equation of the radiation intensity which decays with projective paths is deduced.
結郃扇形計算機斷層成像原理和火焰輻射傳遞方程，推導出輻射強度隨投影路逕衰減的控制方程。
The doctors gave him an ultrasonic brain scan.
毉生給他做了腦部超聲波掃描檢查。