时间分辨率

时间分辨率为188ms的16多层探测器螺旋CT非侵入性冠状动脉成像的诊断精确性研究

Diagnostic accuracy of noninvasive coronary imaging using 16-detector slice spiral computed tomography with 188 ms temporal resolution

PS技术具有高精度、高时间分辨率、能极大提高影像利用率的优点；

PS technique has more accuracy , higher temporal resolution and utilization efficiency compared with traditional DInSAR .

将滑动相关的时间分辨率与传统相关MUSIC方法的计算复杂度进行了对比。

Comparison of time resolution and complexity between sliding correlation method and conventional correlation MUSIC method was conducted .

PET时间分辨率和能量分辨率互换性探讨

Tradeoff of timing resolution and energy resolution for PET

利用GPS同步的高时间分辨率闪电电场变化仪，2002年夏季对青藏高原东北部地区的闪电特征进行了多点同步观测，得到了0.4μs时间分辨率的慢天线电场变化仪资料。

In the summer of 2002 , a comprehensive observation on natural lightning discharges was conducted in the northeastern verge of Qinghai-Xizang Plateau .

事件相关fMRI技术具有较高的时间分辨率和空间分辨率。

Event-related fMRI technique has higher temporary and spatial resolutions .

融合EEG和MRI是同时获得高时间分辨率和高空间分辨率的脑功能成像的有效方法.在融合中必需解决电极与MRI图像的配准。

Registration of EEG to MRI is an effective way to obtain both high spatial and high temporal resolutions in functional brain imaging .

利用液晶调制器和CCD探头组成的荧光相位成像系统，实现了不同荧光寿命物体的荧光成像，时间分辨率达到了亚毫秒量级。

Employing a liquid crystal modulator and CCD camera , a phase sensitive images system has been investigated experimentally for various fluorescence lifetimes .

BaF2正电子寿命谱仪时间分辨率的改进

Improvement of time resolution for a BaF_2 positron annihilation lifetime spectrometer

测不准原理表明：ΔT·Δf≥1/4π，即在一次谱分析中，时间分辨率和频率分辨率不能同时达到高分辨率！

Uncertainty Principle points out that , which means that high time resolution and high frequency resolution can not be obtained both at the same time in spectrum analysis .

本文描述了一台无调场直接检波式0.2微秒高时间分辨率的ESR谱仪的设计与研制。

A 0.2 μ s time resolution ESR spectrometer with direct detection and with-out magnetic field modulation is described in this paper .

基于高速的PCI数据采集卡，设计了面向PET的高时间分辨率和高能量分辨率的实时数据采集系统。

Based on the high speed PCI technique , we design the real-time data acquisition system for high timing resolution and high energy resolution in a PET application .

基于Morlet小波和Harmonic小波变换研究时变相干分析的特点和差异，对这两类小波变换进行着重介绍，讨论有关参数对频率和时间分辨率的影响。

The time-varying coherence based on Morlet wavelet and Harmonic wavelet transform is mainly introduced for the time and frequency resolution in different parameters .

但由于它时间分辨率高、价格低廉，可成为草地动态监测和估产的最佳RS数据源。

However , it can be used for carrying out dynamic monitoring and biomass estimating in rangeland resources because of its high time resolution ratio and lower price .

在本研究中，我们利用高时间分辨率的ERP技术在视觉搜索任务中对外源易化和IOR的关系进行了研究。

Here , we investigate the different effects of exogenous facilitation and IOR in visual search tasks by recording ERPs with high temporal resolution .

然后详细地叙述了目前在日冕紫外线观测上时间分辨率、空间分辨率都达到最好的空间望远镜&TRACE（TransitionRegionandCoronalExplorer）的情况以及观测资料的处理方法。

Then , the EUV telescope with the highest spatial and temporal resolution nowadays , TRACE ( Transition Region And Coronal Explorer ), and the methods in processing TRACE data were described in detail .

双源CT具有双球管和双组探测器，其单扇区重建时间分辨率可达83ms，可在不控制心率的情况下获得高质量的冠状动脉血管图像。

The dual source computed tomography is equipped with two X-ray tubes and two corresponding detectors . With its 83 ms-temporal resolution of single segment reconstruction , high quality coronary artery CT angiography can be acquired without heart rate control .

fMRI以其无创性、较高的空间、时间分辨率和良好的可重复性等优势，已成为目前进行脑科学研究的重要技术手段。

FMRI has become an important technical means for brain connectivity research because of its non-invasive , high spatial and temporal resolution and good repeatedly .

MEG空间分辨率、时间分辨率高，有助于区分致灶和镜灶。

MEG is better in localization , with a higher time and space resolution , and may help to identify epileptogenic zone and mirror foci .

MODIS遥感数据以其高空间分辨率、高时间分辨率和高光谱等显著优点，在洪水动态监测中具有广阔的前景。

With high spatial resolution , high temporal resolution , high spectral and other significant advantages , MODIS data has broad prospects in dynamic flood monitoring .

短时傅立叶变换由于受Heisenberg测不准原理限制，时间分辨率和频率分辨率不可能同时达到最佳。

Limited by the theory of Heisenberg , short-time FFT can 't get optimal time resolution and frequency resolution at the same time .

由于近年来随着光电成像技术的迅猛发展，CCD彩色相机能够在空间和时间分辨率上同时获得更多的图像数据，从而更好地对目标进行识别。

Optical imaging in recent years with the rapid development of technology , CCD color camera in the spatial and temporal resolution at the same time obtain more image data to better identify the target .

该方法克服了SFT（短时Fourier变换）分析对高、低频段具有相同的时间分辨率和频率分辨率的缺点，弥补了小波变换只能粗糙地模拟基底膜带通滤波器特性的不足。

The time frequency analysis remedies the defect that short Fourier translation ( SFT ) has the same time resolution and frequency resolution to different frequency ranges .

小波变换可以在高频提供高的频率分辨，在低频提供高的时间分辨率，而ARMA模型则可以改善LPC模型中没有零点的不足。

Wavelet transform provides a high frequency resolution , and the ARMA model is more powerful due to its including of the zeros pole in the model .

文章指出由于EEG良好的时间分辨率等特性，深入研究EEG对于了解认知和思维过程、揭示大脑工作机理具有重要意义。

The paper states that it is significative to study EEG deeply for understanding the process of cognitive and thinking , unveiling the mechanism of brain activity because EEG has good characteristics such as time resolution .

由于不同的情绪刺激各自在脑内存在着不同的发生源，因此采用具有毫秒级时间分辨率的ERP技术可以更好地揭示情绪词识别的实时知觉与认知过程。

Due to the different emotional stimuli have different brain sources , so using a millisecond timescale time of ERP technology can better reveal the emotional identification of the word , the perception and cognitive process in real time .

由于PET和fMRI的时间分辨率较低，无法精确阐明大脑动态加工的时间进程，所以，已有研究多侧重其子成分的脑功能定位。

PET and fMRI because of the lower temporal resolution could not be accurately stated the processing time of dynamic brain processes , so , many studies have focused on its sub-components of brain function .

使用像管摄谱仪和Reticon探测器获得了食双星AAUMa的高色散和高时间分辨率的光谱，并用交叉相关函数法测得其视向速度。

High dispersion and time resolution spectra have been obtained for the eclipsing binary AA UMa by means of an intensified Reticon .

GPS-InSAR合成方法是将GPS高时间分辨率和InSAR高空间分辨率进行有效的统一，使两种技术达到互补，从而发挥各自的优势。

Integration of GPS and InSAR is to carry out unification of GPS high temporal resolution characteristic and InSAR high spatial resolution characteristic , to complement each other .

鉴于MODIS数据具有大覆盖面积、高时间分辨率、较高光谱分辨率并可以免费获取等优点，以江西省为研究区，选取MODIS数据监测水稻长势动态。

Considering MODIS data has the advantage of big coverage 、 high time resolution 、 higher spectral resolution 、 free access , etc , we select MODIS data to monitor crop growth .