英汉例句

• according to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and n-frame track accumulating is presented.

  根据目标、背景干扰和噪声在红外序列图像中的差异，提出了一种基于空间高通滤波和时间域上n帧轨迹积累的运动小目标检测方法。

• the mean blood velocity was estimated using the proposed method with a relative error of 5.62%, which demonstrated improved accuracy compared to 12.83% by using the high-pass filtering method.

  实验中得到了与实际更接近的平均流速估计，相对误差仅为5.62％，与滤波法的相对误差12.83％相比，準确性得到了一定的提高。

• multiple filter image processing median filter high-pass filtering and so on …

  影像处理程式多种滤波器中值滤波高通滤波等等…

• this method was applied to computer-simulated and clinically collected carotid doppler signals, and compared with the conventional high-pass filtering method.

  并用于计算机仿真的超声多普勒信号和实际采集的人体颈总动脉多普勒信号的处理，同时与传统的高通滤波器方法进行了比较。

• two methods of pre-processing of image are studied in details, which are the algorithm based on high-pass filtering theory and the algorithm based on mathematical morphology theory.

  重点分析了基于空域高通滤波的背景抑制算法和基于数学形态学的背景抑制算法。

• this novel method, together with the traditional high-pass filtering method, is applied to both computer simulated doppler ultrasound signals and collected human carotid doppler ultrasound signals.

  对计算机仿真的超声多普勒信号和采集的人体颈总动脉多普勒信号分别应用该方法，并和传统的高通滤波器方法进行比较。

• a method of high-pass filtering is proposed to reduce the background noise of the reconstruction.

  提出用数字高通滤波器来减少重建图像的背景噪声。

• two methods with which the long disturbance is removed from the digital care introduced: narrow band low-pass filtering canceling method and adaptive high-pass filtering method.

  主要提出两种消除数字地震信号中长周期随机干扰的方法：窄带低通滤波对消法和自适应高通滤波法。通过使用多级抽点技术大大减少滤波法的运算量，可获得良好的滤波特性。