This paper describes the design and realization of the azimuth preprocess in the real-time imaging processor of SAR with programmable logic device by the method of sub-aperture using band-pass filter.
该文讨论了在合成孔径雷达实时成像处理器中，采用子孔径带通滤波成像处理方法的方位预处理的设计，构造了一种用大规模可编程逻辑器件实现方位预处理的电路结构。
Optical head is the core device of the optical disk drive. The aperture matching is the most important problems of optical head design.
光学头是光盘存储器的核心部件，光学头光束孔径匹配是光学头设计的一个至关重要的问题。
It has been proved that the device satisfies all requirements of the large aperture infrared opto-electric system by experiments.
实验表明，能满足大口径红外光电系统的定标要求。
A biopsy device including a flexible tube having a side aperture, and a PET or BSGI imageable material disposed within the flexible tube is disclosed.
本发明公开了一种活检装置，所述装置包括具有侧孔的柔性管，以及设置在所述柔性管中能够PET或BSGI成像的材料。
System and method for optically imaging objects on a detection device by means of a pinhole aperture. F.
FALKDieter：用于通过针孔光圈将物体光学成像到检测装置上的系统和方法。
A mechanism to limit the affects of measurements on a device or system. In seismic data acquisition, the length of the spread has the effect of an aperture.
一种限制仪器或系统的测量作用的机制。地震数据采集中，排列的长度就有孔径的作用。
The ion storage devices are connected in series such that an ion transport aperture of the first ion storage device is in communication with an ion transport aperture of the second ion storage device.
以及在第二排出时间周期内将离子从所述第二离子存储设备中排出至第二质谱分析设备，以在第二分析时间周期内进行分析；
The ion storage devices are connected in series such that an ion transport aperture of the first ion storage device is in communication with an ion transport aperture of the second ion storage device.
以及在第二排出时间周期内将离子从所述第二离子存储设备中排出至第二质谱分析设备，以在第二分析时间周期内进行分析；
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