1. Aim\ To study the SAR imaging of ocean surface wave and the surface wave modulation of radar cross section. 目的研究合成孔径雷达（SAR）对海面波成像的机理和海面波对雷达截面的调制机理。
2. Detection, Estimation, and Modulation Theory——Radar-Sonar Signal Processing and Gaussian Signals in Noise(Part III. 《检测、估值与调制理论——雷达-声纳信号处理与噪声中的高斯信号》（卷III）
3. Through keyboard and code generation circuit, coding and pulse modulation vibration with infrared project to form infrared project circuit. 通过键盘及代码生成电路、编码、脉冲调制振荡和红外发射构成红外发射电路。
英英解释
n.
1. a musical passage moving from one key to another
2. (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier'
3. rise and fall of the voice pitch
4. a manner of speaking in which the loudness or pitch or tone of the voice is modified
5. the act of modifying or adjusting according to due measure and proportion (as with regard to artisti
