scanning frequency
英 [ˈskænɪŋ ˈfriːkwənsi]
美 [ˈskænɪŋ ˈfriːkwənsi]
扫描频率
双语例句
- A Study on Wideband and Wide-angle Scanning by Stepped Frequency Synthesis for Digital Phased Array Radar
数字相控阵雷达步进频合成宽带宽角扫描研究 - The clock transition frequency and linewidth of the clock transition line were obtained by scanning the microwave frequency in a narrow region.
通过减小微波扫描的频率范围，得到钟跃迁频率和谱线线宽。 - The results indicate that laser scanning speed has the biggest effect on surface topography parameters, followed by laser scanning frequency and amplified volt.
分析得出，激光加工工艺参数对表面形貌的影响程度不同，由大到小依次为激光扫描速度、激光脉冲频率、放大器电压。 - With the development oh high-performance CRT display system, large deflection angle and high scanning frequency are required in order to achieve the demand of higher resolution, high luminance, and larger screen size.
随着高性能CRT显示系统的发展，为了满足高分辨率、高亮度、大屏幕的要求，需要增大电子束的偏转角，并提高扫描频率。 - Scanning Frequency Vibration Signals Produced with D/ A in Automobile Electrical Test
用D/A产生汽车电器试验扫频振动信号 - The trend and degree of the effect on surface topography parameters by processing parameters, such as amplified volt, laser scanning frequency and laser scanning speed, are analyzed.
分析了激光加工工艺参数对表面形貌的影响，利用模糊分析方法，就激光器的放大器电压、激光脉冲频率、激光扫描速度等工艺参数对表面形貌轮廓均方根值Rq的影响进行了评价。 - This paper describes the system structure of DVB-H, performs theoretical analysis of time slicing technology for the purpose of reducing power consumption and realizing seamless frequency handover and seamless scanning for frequency substitution, and gives out the related algorithms for time slicing.
阐述了DVB-H的系统结构，对以降低功耗、实现无缝频率切换和替换频率的无缝扫描为目标的时间分片技术进行了理论分析，给出了时间分片的相关算法。 - A scanning interferometer for Ar+ lasers has been developed, some frequency domain characteristics of actively mode-locked Ar+ lasers were observed by using this scanning interferometer, frequency spectrum of longitudinal mode of Ar+ lasers in mode-locked state was photographed.
设计并制成了一台适用于Ar~+激光器的扫描干涉仪，用它观察了主动锁模Ar~+激光器频域的某些特性，拍摄到激光器在锁模状态下清晰的纵模频谱。 - A method of frequency spectrum analysis is introduced, which be realized by collect the virtual value of appoint frequency vibration through scanning frequency.
介绍了一种用频率扫描抽取指定频率振动分量有效值的方法实现硬件频谱分析的工作原理。 - According to instructions and data from PC, the current source can produce scanning frequency signal that is mixing frequency signal and contains different frequency elements.
此外，电流源还可以根据上位机的指令和数据，进行扫频输出，自动产生不同频率成分的混频信号。 - A New Image Coding Algorithm Based on Adaptive Scanning for High Frequency Subbands
基于高频子带自适应扫描的改进零树图像编码算法 - Based on the second order cyclostationary and by the simulation signal, the paper pointed out that the cyclostationary signals are processed by scanning cyclic frequency and that amplitude signal can be demodulated.
基于二阶循环平稳理论，通过仿真信号，指出通过扫描循环频率，对循环平稳信号进行处理，可以对调幅信号进行解调。 - SPM image is influenced by the combination of external vibration and scanning frequency;
外界激振与SPM扫描的综合作用影响成像的结果； - Based on the signal models of modulating amplitude and phase, the demodulation in cyclic domain has been developed. By scanning cyclic frequency domain, the modulating source signals can be demodulated in low and high frequency band of the cyclic domain.
基于调幅和调频信号模型推导出循环域解调方法，通过扫描循环频率域使调制源（故障）信息解调在循环域的低频段和高频段。 - The 72 sampling points on the circumference of a spare part was set by the automatic detecting system of coaxial degree according to the scanning frequency of the laser sensor.
同轴度自动检测系统根据激光位移传感器扫描频率，在圆周面上选择72个采样点。 - Ultrasound diagnosis has a lot of restricted application in liver fibrosis quantitative analysis, because ultrasound image conditions such as scanning frequency, machine settings can influence the ultrasound images besides its subjective and experience-based characteristic.
超声诊断除了受主观性和诊断经验等人为因素影响外，检测频率、机器参数的设置等成像条件的变化也会对图像产生很大的影响，因而使肝脏纤维化的量化分析受到很大限制。 - Electrical impedance scanning and high frequency ultrasonography for diagnosis of small breast cancers
电阻抗扫描成像和高频超声诊断小乳腺癌的对照研究 - New Method of Off Tuning Degree Measurement through Scanning Frequency in the Distribution Network
频率扫描法在线测量配电网脱谐度 - Research of scanning system with frequency-modulated LD
LD注入调频扫描系统研究 - The coherence analysis, dip and azimuth scanning and frequency division amplitude were all applied to identify strata pinchout boundary and describing correctly faults distribution.
相干分析、倾角方位角扫描、分频振幅谱较好的识别了地层尖灭带和准确描述了断层的展布。 - The extraction method of laser stripe edge morphology on strand surface was established, the gray scale image and three-dimensional reconstruction image was accomplished too by controlling CCD frame scanning frequency.
建立了铸坯表面激光线条边缘特征提取方法，通过控制面阵CCD帧扫描频率实现了灰度图像拼接与三维图像重构技术。 - Finally, the design of the scanning frequency of the signal acquisition and processing module and the module was tested and the results of the test were discussed.
最后，对所设计的扫描变频模块和信号采集处理模块进行了测试，并且对测试的结果做了讨论。 - In order to scanning the details, the scanning frequency, start angle, end angle and the rotating speed can changed as a well manipulation.
该设计针对实际中细节扫描的需求，数据获取频率、旋转初始和终止角度以及旋转速度可调，具有很强的操控性。 - Frequency scanning antenna is one kind of electronic scanning antennas, which beam can achieve beam scanning with changes in frequency.
在常用的电扫描天线技术中，频率扫描天线由于其优点而得到了较为广泛的应用，它是通过改变天线的工作频率来实现波束扫描的。 - The problems are how to improve scanning frequency and steady speed accuracy.
提高扫描频率和稳速精度是像面扫描控制系统要重点解决的问题。 - Pore and other defects impacted greatly on the mechanical properties of the joints, but the generating of pore could be suppressed by controling scanning frequency and the beam offset.
气孔等缺陷对接头力学性能影响较大，可以通过控制扫描频率及束偏移量有效抑制气孔生成。 - PWM-LC resonant technology is useful to improve scanning frequency and output voltage of fiber delay line. Lastly, it used to measure the characteristics of all fiber-optic delay line.
利用PWM-LC谐振技术，有利于提高光纤延迟线的扫描频率和电压输出幅度。最后，利用光纤白光干涉技术对全光纤延迟线的特性进行了实验测量。