The AD5932 is a waveform generator providing a programmable frequency scan.
AD 5932是提供可编程频率扫描的波形发生器。
Q scan, a qualitative analysis method, is analogous to velocity scanning or frequency scanning.
前者类似于速度扫描或频率扫描，属于一种定性分析方法；
Conclusion For the quantitative measurement of cracks. The reliability of inspection can be improved by using the way of changed frequency scan.
结论用变频扫描励磁方法进行裂纹定量检测可提高检测的可靠性。
Frequency scan is carried out for some sites of Jiangsu Power Grid, which are easy to be resonated. Suggestions are put forward for harmonic compensation and suppression.
对江苏电网部分容易引起谐振的站点进行了频率扫描，并提出了一些谐波补偿和抑制的有益建议。
The item of attribute frequency in the scan vector was taken as heuristic information to improve the efficiency of attributes reduction.
以扫描向量中的属性频率项作为属性约简搜索的启发信息，提高了属性约简效率。
This method has some advantages such as simple structure, high scan frequency, high resolution and good linearity.
该解调方法具有结构简单、扫描频率高、分辨率好、线性度好等优点。
All electronic SS type camera tube is characterized by its low expense of power, variable scan frequency, high resolution, small size and light weight.
采用图案电极的静电聚焦静电偏转(SS型)摄像管，具有功耗低、扫描频率可变、分辨率高、体积小和重量轻等优点。
The results indicated that potential scan rate and step frequency played an essential role in the initiation and propagation of crack.
结果表明，电位扫描速度和电位阶跃频率对裂纹萌生与扩展有显著影响。
High voltage silicon pile is the key component of the output circuits of color TV and color monitor, whose switch frequency is the direct restrictive factor of line scan.
高压硅堆是彩电和彩色显示器行输出电路中的关键器件，其开关速度的快慢直接限制了行扫描频率的高低。
Using the spatial scan method, the paper made magnitude frequency statistics according to the regions and calculated mean seismic number.
本文采用空间扫描方法，按选区和时段做震级—频度统计，计算年平均地震数。
Through a new feeding construction with phase-shifter, the main lobe of the pattern of the microstrip leaky-wave antenna can scan at a fixed frequency.
通过控制微带漏波天线中部馈电端口移相器，成功实现了工作频率固定下微带漏波天线主波束扫描，并使用电子开关实现微带漏波天线主波束双向扫描。
The new type of image scanner has higher frequency response and the scan with high speed can be realized.
新型图像扫描器具有较高的响应频率，可以实现高速扫描。
CLK signal generator with adjustable frequency, gradually changing the frequency of observed changes in scan frequency effect on the output.
CLK采用频率可调信号发生器，逐渐改变频率，观察扫描频率的改变对输出效果的影响。
It is an ideal scan signal resource in low frequency.
在低频场合，不失为一种理想的扫频信号源。
The fast delay scan technique is used which suppressed the noise with low frequency and improved the signal-to-noise ratio of the system.
快速延迟扫描技术可用来压缩低频噪声以提高系统的信噪比。
Real time optimal and quasi-optimal methods for the angle measurement are analyzed using frequency-scan and phase-scan radars as examples.
本文以频率、相位扫描体制雷达为例，探讨了实现实时比幅测角最佳及准最佳方法。
The testing data from simulated aerospace environment show that the adaptive controller has a characteristic of high accuracy of frequency-tracking as well as high accuracy of swing scan control.
实验测试结果表明，所设计的数字式自适应控制器具有频率跟踪和摆幅控制精度高的特点。
Two test methods, both test on boundary scan and test-by-divider, are described in details, especially focusing on the maximum output frequency, the range of output frequency and the time to lock.
分别给出了边界扫描测试和分频器测试两种测试方案，并对两种方案进行了比较，指出了各自的适用范围。
A new adaptive frequency-tracking control algorithm for the swing scan mechanism has been presented in the aerospace environment.
本文针对空间环境下摆幅扫描机构的频率跟踪和摆幅控制问题，提出了一种具有频率跟踪的自适应控制算法。
A new adaptive frequency-tracking control algorithm for the swing scan mechanism has been presented in the aerospace environment.
本文针对空间环境下摆幅扫描机构的频率跟踪和摆幅控制问题，提出了一种具有频率跟踪的自适应控制算法。
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