频率扫描 meaning in English
frequency sweeping
frescan frequency scanning
Examples
- Dynamic frequency scanning
动态频率扫描 - It demonstrates the general project of vehicles mutual moving - state detection and control system , which use a frequency modulated continuous wave ( fmcw ) radar with the antenna replaced by a frequency scanning array as the basis of detecting sensor
文中阐述了汽车相互运动状态监控系统的总体方案，使用调频连续波( fmcw )雷达作为探测传感器的基础，并在天线部分作了改进，采用了独立的频率扫描天线。 - 4 . the theory of cavity enhanced absorption spectroscopy is studied in detail and the numerical simulation is firstly demonstrated . in addition , we analyze the variation of sensitivity and linearity of this technique with the scan speed of incident light frequency or absorption cavity length
深入研究了腔内增强吸收光谱的理论，首次给出了具体的解析表达形式及数值模拟计算结果，分析了腔内增强吸收光谱测量的灵敏度、线性度与激光频率扫描速度、吸收腔长改变速度的关系。 - In order to realize the flaw identification of link - thread bolt , it establised the flawidentification method which depended on the local maxima abstracted from detecting signal . itsorted all flaws into three kinds , and assayed the characteristics of signal and expounded thecriterion for each kind of flaw
综上所述,本文在研究场量测量和频率扫描技术的基础上,利用同一硬件系统实现了涡流检测和交变漏磁检测的缺陷识别和深度测量,同时也实现了螺纹紧固件的缺陷检测。 - The second is to assure a multiple - parameter matrix characteristic equation has no nonzero pure imaginary roots . the key of this part is to verify that the structured singular value of a one - unknown matrix function is not equal to one . this work can be accomplished by a frequency sweeping test method
前者的核心是判定某常矩阵的结构奇异值不等于1 ，这只需计算常矩阵的结构奇异值；后者的核心是判定某个以频率为变元的矩阵的结构奇异值不等于1 ，这一问题由频率扫描测试法解决。