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- frequency scanning measurement 扫频测量
- The PLL part, made of PD, Loop Filter, Voltage Control Oscillator, is the key circuit of the system to produce steady and continuous frequency scanning signal. PLL锁相环路部分主要由鉴相器、环路滤波器、电压控制振荡器构成,产生稳定连续的频率扫描信号,它是本系统的关键电路。
- Furthermore, based on the frequency scan results, an estimation algorithm of eigenvalues corresponding to the subsynchronous resonance modes is proposed. 进而提出了一种根据复转矩系数频率扫描的计算结果来估算次同步谐振模式特征值的方法。
- Nanon-measurement system composed of nanon sensing tec hn ique,nanon scanning measurement and control system,information processing and im ag e analysis technique is introduced in detail. 详细介绍了纳米测量系统的组成:纳米传感技术、纳米扫描测试系统、信息处理与图像分析技术;
- The scanning measurement in optical CT calculates the length of ray across the pixel rapidly and accurately by using the coordinate intersected by the ray and the parallel to the reference frame. 摘要 改进的光学CT扫描测量方法利用扫描线与平行于两坐标轴的平行线束交点坐标,快速精确计算出扫描线穿过每个像素格子的长度。
- Digital medium power control and intelligent operation manage mend with its characters of frequency scanning start of zero Voltage, Strong anti-interference, quick melting energy saving and efficiency promotions etc. 数字化可控硅中频电源,智能化操作系统。其特点有:零压扫频启动,抗干扰能力强,熔炼速度快,节省能源,提高效率等。
- A posture error compensation method of optical probe was presented in this study. The optical probe was installed on the PH10 rotating head for the scanning measurement of coordinate measuring machine (CMM). 针对三坐标测量机上安装激光测头时机械调整误差大以及传统补偿算法鲁棒性差的缺点;提出了三坐标测量机非接触扫描测量时PH10回转体上光学测头安装姿势误差的补偿方法;建立了安装姿势误差的数学模型.
- cross-section scanning measurement 层析
- three-dimensional scanning measurement 三维扫描测量
- whole-band frequency scanning meter 全频段扫频仪
- A Way of Changed Frequency Scan for Quantitative Measurement of Cracks 用变频扫描励磁方法定量检测裂纹
- In figure 7-7 the frequency scanned array has been simplified to a two-element system with the boresight axis normal to the plane of the elements. 在图7-7中,频扫阵列被简化为双单元系统,视轴线垂直于单元所在平面。
- Frequency scan at a single current; 单电流下的频率扫描;
- Brain scans measured their ability to do this as carried out the memory task. 脑部扫描测量他们实行记忆测试的能力。
- Frequency scan at a single potential 常用单电位下的频率扫描
- The binocular stereovision sensor has been widely used in 3D laser scanning measuring system.The automation and precision of its calibration influence the using of 3D laser scanning measuring system. 双目视觉传感器在三维激光扫描测量中已得到广泛应用,其标定的简易与精确程度直接影响了三维激光扫描测量仪的使用。
- Integral Frequency Scan Approach and Landing 整体的频率扫描进场和着陆(装置)
- Non-Contact Scanning Measurement for a Space Free-Form Surface 空间自由曲面的非接触扫描测量
- A local view scan measuring method is adopted, by 10/0.25 micro objective and 3# resolution test pattern (resolution factor is 1.8751p/mm.) . the average measured value of CTF is 0.52 and simulated result is 0.66. 在检测过程中,采用局部视场扫描测量方法,选用10/0.;25的显微物镜,3%23鉴别率板(分辨率为1
- He varied the transmission frequency. 他变换了无线电传送的频率。