Digital down - conversion ( DDC ) is an important technique of digitized radar receiver.

数字下 变频技术 是数字化雷达接收机的关键技术之一.

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In the case of type II down - conversion, the two down - converted photons have orthogonal polarizations.

在第II类下转换情况下, 这两个下转换光子是正交偏振的.

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Sampling of IF, digital down - conversion and DSP are used to digitize terminal guidance seeker.

利用中频采样 、 数字下变频以及DSP技术,实现了末制导雷达的数字化.

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Parametric down - conversion has proved a reliable tool for the generation of pairs of entangled photons.

参量下转换已被证实成为产生一对纠缠光子的可靠的工具.

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For down - conversion mixer, folded - cascode output stage is used to increase conversion gain and reduce output noise.

通过采用折叠级联输出的方法降低了下混频器的输出噪声,同时提高了其转换增益.

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Down conversion, domestic long - distance call, one - minute long - distance calls, only a dime more money.

折算下来, 拨打国内长途, 一分钟的长途通话费只有一毛多钱.

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Framework of direct - down conversion receiver can provide upper performance with lower cost for wireless base receiver.

直接降频转换接收器架构能够以较低成本提高无线系统基站接收器的性能.

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