scan frequency
英 [skæn ˈfriːkwənsi]
美 [skæn ˈfriːkwənsi]
扫描频率
双语例句
- The innovative Auto Frequency Scan function enables the system to automatically scan the UHF frequency band and select the strongest RF signals from the microphone's transmitter.
创新的自动频率扫描功能，使系统能自动扫描UHF频段，然后从话筒的发射机射频信号最强。 - Further, we suggest to extend the data by setting up the AR ( Autoregressive) model fitting with the data, in order to overcome the difficulties caused by the interaction between the inherent frequency in the batch processing nature of the FFT and the conical scan frequency.
进而提出通过建立同数据相拟合的AR（自回归）模型，将数据延拓，以克服由于FFT分批处理频率同锥扫频率之间的相互作用而带来的困难。 - 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。 - The influence of instrument parameters, such as scan internal, length of instrument run, frequency of scan background etc, on NIR veracity was studied with a homemade grating diffuse NIR instrument using Yunnan flue-cured tobacco.
以云南优质烤烟为实验材料，在国产光栅漫反射型近红外仪器上，研究了采集间隔、开机时长、背景测量频率等扫描条件对近红外检测结果的影响。 - In order to suppress the ground clutter in down scan airborne radar, the center Doppler frequency and the bandwidth of the clutter spectrum must be estimated precisely.
为了能有效地抑制机载下视雷达的地杂波，需要对这类杂波的中心Doppler频率和谱宽进行精确地估计。 - In the optical-mechanical scanner which uses an oscillating mirror to scan cross tracks, the correction of spacecraft motion can decrease the scan frequency and increase the scan efficiency by a factor of 2, respectively.
在以摆镜为穿航迹扫描的光机扫描仪中，卫星航向运动的补偿使扫描频率降低一倍，并使扫描效率提高一倍，从而具有很高的实用价值。 - In order to enhance the resolution of infrared image and take full advantage of the scan data with corresponding space information, the infrared frame image simulation with equal row frequency sampling is studied with emphasis.
为了有效提高红外图像的分辨率，充分利用红外器件获得的扫描数据和相应的空间信息，文中重点研究了基于圆锥扫描的等行频采样方式下红外图像帧重建仿真。 - The curves of started-up current and voltage were drawn, and start-up time, voltage change-rate and remain capability of storage cell in unit-time was computed with program by setting scan mode, sampling frequency and A/ D conversion.
设置扫描方式、采样频率和点数并进行A/D转换后，通过程序可绘制起动电流、电压曲线，计算起动时间、单位时间内电池端电压变化率及蓄电池剩余电量。 - An applicationof scan programme of seismological frequency and energy density
地震频度、地震能量密度扫描程序在熊岳&盖县地区的应用 - The mutual coupling effect brings about vector sum of coupling energy between array antenna elements changing with the scan angle, that may result in larger power reflection in specific frequency and direction, and makes radiation pattern resulting in false beam segment.
互耦效应导致阵列天线单元间耦合能量的矢量和随扫描角而变化，在特定频率和方向上可能产生较大的功率反射，并且引起方向图出现虚假波瓣。 - This paper describes a kind of instrument-EMC-Scanner, with which PCBs, cables, components and equipment can be scan and measured. With the measurement results such as electromagnetic radiation frequency component and radiation direction shown directly in two-dimensional and three-dimensional way.
介绍了一种电磁兼容扫描仪（EMC-Scanner），它可对PCB、电缆、元器件、整机进行扫描测量，并以二维或三维方式直观地展示其电磁辐射频率分量和辐射方位等测量结果。 - Processing of conical scan step frequency radar signal
步进频率圆锥扫描雷达信号处理 - Through using the periodic property of DCT coefficients and the digital image scrambling transformation namely Zigzag Scan, the latter proposes a meaningful binary watermarking image embedding algorithm on block DCT intermediate frequency AC coefficients of the original image.
基于DCT系数特性的盲水印，利用分块DCT系数的周期特性，结合Z字形编码置乱技术，提出一种在宿主图像的中频交流系数上嵌入二值水印图像的方案。 - Two novel depth-domain frequency spectrum analysis methods for logging data have been developed, which are depth-domain frequency scan and moving-window frequency spectrum analysis.
本文在前人研究的基础上提出了两种基于测井资料的深度域频谱分析方法&深度域频率扫描和滑动窗频谱分析。 - 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。 - The paper introduces the technology improvement on medium frequency furnace for traditional hot pressing diamond bit, such as control on starting scan, medium frequency power supply, automatic adjustment for impedance and temperature control on closed-loop.
介绍了对传统的热压金刚石钻头用中频炉的技术改造，包括扫描启动控制、中频电源、阻抗自动调节、闭环温度控制等技术。 - Based on the division of active blocks in northern Qinghai-Tibet plateau, the full spatio-temporal scan for seismic frequency of small earthquakes in every blocks since 1970 is down to study short-impending anomaly characteristics.
在青藏高原北部地区活动地块划分的基础上，以地块为研究单元，对1970年以来的小震频度进行了全时空扫描，以研究其短临时间特征。 - The system can scan the wideband frequency, lock the frequency of receiving data and convert the IF signal to digital data real-time.
系统能够完成宽频段扫描、锁定信号频率，实时采集中频信号。 - The results show that the surface temperature of melt pool is affected intensively by melting parameters such as melting rate, melting power, electron beam scanning pattern and scan frequency, etc.
结果表明，结果表明，熔炼工艺参数如熔化速度、熔炼功率、电子束扫描方式和扫描频率都会对熔池表面温度产生剧烈影响。 - Methods The scan data of 268 patients who received enhanced hepatic CT scan were retrospectively reconstructed in arterial phase and the frequency of left and right hepatic artery, and the arterial variation was observed.
方法对接受多层螺旋CT肝脏增强扫描的268例患者进行回顾性动脉期三维重建，观察肝动脉变异出现情况。 - Imaging through scattering medium by confocal scan method using low spatial frequency light
空间低频光共焦扫描法透过散射介质成象 - 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。 - Study of High Power Scan Laser with Double Frequency
高功率倍频激光扫描机的研究 - 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。 - Methods The number of rosette scan petals required for the instantaneous FOV to cover the total FOV was calculated and the effects of the gyro rotational frequency, motor rotational frequency and missile spin rate variations on rosette scan patterns and frame frequencies were predicted.
方法通过研究陀螺、空心电机转动频率变化及弹体自旋条件下瞬时视场覆盖全视场所需的玫瑰花瓣数，得出上述三者对玫瑰扫描空间图案和不漏扫帧频的影响； - However, as is restricted by the beam path, the scan frequency of the scanning circuit, the maximum available measuring speed has inverse proportion relationship to the measuring pace of a single grating scale.
但由于受光路及信号检测电路扫描频率等因素的限制，单个光栅尺测量的最大允许移动速度与其测量步距成反比。 - Firstly, time sequence is quantified according to the MRI scan sequence. Digital radio frequency ( RF) pulse and gradient pulse are calculated at the same time. Then the digital signals are converted to analog signals by PXI boards.
首先计算出MRI序列的时序，并生成所需的数字射频信号和梯度信号，然后利用PXI硬件板卡将数字信号转变为模拟信号。 - Among them, the dynamic scanning method was described as a characteristic of scan driver circuit based on low-power design principles. Also, the time sequence frequency of dynamic scanning was studied.
设计扫描驱动电路部分时，依据低功耗的设计原则，采用动态扫描的方式并对扫描时序和扫描频率进行研究。 - The tunable F-P filter is used as a wavelength selection device in the traditional wavelength demodulation equipment, and tunable F-P filter is commonly used mechanical structure of the piezoelectric ceramics, so scan frequency is only a few thousand Hz.
传统的波长解调设备采用可调谐F-P滤波器作为波长选择器件，而可调谐F-P滤波器一般采用压电陶瓷驱动的机械结构，因此扫描频率一般只有几千Hz。