以上来源于: WordNet
Study of truncated intersector curve of single leaf and double leaf bilateral curved rotation surface;
该文给出并证明球面与单叶旋转双曲面的轨迹互变特征。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
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