提出了一种新的基于有理二次样条曲线的图像放大方法。
In this paper, a new method which based on the curves of rational quadratic splines was presented to enlarge images.
研究了一体化二次变频收发信机中各种组合频率干扰的产生原因：主要是由于混频器和放大器的非线性。
This paper investigates various combined frequency interference in integrated and double-converted transceivers, and points out that the reason is the non-linearity of frequency mixer and amplifier.
借助于高放大倍率的二次复型组织，观察了LF6铝合金超塑变形后的表面晶粒组织。
With the secondary duplicated model structure with high magnification, the surface grain structure of LF6 aluminum alloy superplastically deformed is observed.
利用钢球一双锥面二次增力机构，不仅能实现力的同向输入输出，而且可在结构紧凑的前提下，对输入力进行高倍放大后输出。
With the two-steps force amplifier, we can not only make the output force and input force in the same direction, but also can amplify the input force efficiently with compact structure.
制药生产工艺的放大是化学工程一个重要的成功的范例，例如在二次世界大战中，青霉素的大批量供应拯救了很多人。
Sealing up PC production processes is major success story for chemical engineering. For example the bulk supply of penicillin in World War II has helped many.
该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。
An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.
该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。
An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.
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