方法分析了16例肝脏囊性恶性肿瘤的灰阶及彩色多普勒特征。
Methods Characteristics of gray scale and color Doppler sonography were studied in 16 cases of malignant hepatic tumors confirmed by pathology .
人运动的雷达散射回波的获取是研究人微多普勒特征的关键问题。
How to get the proper radar echo is a key problem in research of the micro-doppler features of human beings.
未来，计划调试雷达，通过探测目标的偏振式多普勒特征，以更详细的描述目标。
In the future, it is planned to modify the radar to characterise targets in more detail by exploiting their polarimetric and Doppler signatures.
应用推荐