According to the range equation and Dopplerpositioning equation, geometric correction calculating expressions corresponding to ECS algorithm were derived.
根据距离方程和多普勒定位方程组推导了针对ECS成像算法的几何校正计算公式。
2
Color Doppler Ultrasound can provide detailed anatomical positioning for cryptorchidism and provide valuable information for clinical treatment.
结论彩色多普勒超声能够对隐睾进行详细的解剖定位，为临床选择治疗方案提供极有价值的信息。
3
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.