| 1. | Time resolution of color doppler
彩色多普勒时间分辨力 |
| 2. | ( 4 ) time resolution property of libs is studied . at the 4us delay , the signal - to - background ratio is more proper
结果表明当延时在4 s时， libs信号强度与背景光的强度比值( s b )达到最大。 |
| 3. | Thus , we can acquire three times resolution at the original display screen whose resolution is much lower . this new method reduces the requirement for device itself
这样,我们可以在原本点阵分辨率比较低的屏上实现三倍的显示分辨率,从而降低了对器件本身的要求。 |
| 4. | 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
测不准原理表明： t ? f 1 / 4 ，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 |
| 5. | Wavelet package is division of wavelet high - frequency space for increasing resolution . by this means , the shortage of low frequency resolution on die premise of high time resolution can be overcome
而小波包则是对小波子空间w _ j按照二进制分式进行频率的细分，以达到提高高频部分辨率的目的 |
| 6. | Load - time weaving is very useful in preserving module independence in larger systems ; it provides the same kind of run - time resolution for aspects that java class loading does for objects
装载时织入在保持大型系统中的模块独立性方面非常有用，它为方面提供了java类装载为对象提供的同样的运行时解决方案。 |
| 7. | For the selection of filter parameters , we have introduced the constant relative bandwidth , the display - equalized filter , optimal filtering and linear time resolution , among these the linear time resolution is a new method set up by this paper
对滤波参数的选择，详细介绍了常相对带宽、均等显示滤波、线性时间分辨、最佳滤波等，其中线性时间分辨是本文首次提出的新方法。 |
| 8. | In this paper , the time property of its anode and dynode outputs has been studied and compared by using weak cherenkov light , the results show that their time resolution is dependent on the number of the electrons collected at the same conditions
为了获得多个倍增极的输出信号，对其进行了相应的改进，利用弱契伦科夫光，研究了其阳极和倍增极的时间特性，并作了比较，结果表明相同条件下它们的时间分辨与所收集的电子数有很大关系。 |
| 9. | This technology has been used widely just for its advantages of non - contract operation , non - destructive testing , broad bandwidth , high time resolution , high space resolution , no limit on sample ' s shape , one laser pulse exciting many kinds of waves and so on
由于激光超声具有非接触，时间和空间分辨率高，对样品的形状和尺寸没有特殊要求等优点，它已被广泛地应用于工业无损检测，材料的表征，以及复合材料和各向异性材料的声传播规律研究等领域。 |
| 10. | After measuring dark current , photocurrent and response to x pulse of gaas detector before and after 1 . 7 mev electronic radiation , the response tune , fall time of trailing edge , full width of half maximum ( fwhm ) , sensitivity , carrier life , mobility are researched and contrasted . the result shows that the response speed of detector , time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation . though sensitivity of the detector reduces , its measuring range can be widened
为了使探测器的性能得到进一步的提高，我们对其进行了电子辐照改性，并测量了本征砷化镓探测器和经过1 . 7mev电子辐照的探测器的暗电流、光电流及对x射线的脉冲响应，并对其响应时间，后沿下降时间，半高宽( fwhm ) ，载流子寿命，灵敏度进行对比，研究，结果显示经电子辐照后的探测器的性能得到了改善，使响应速度，分辩率进一步提高，并消除了探测器输出信号后沿的非线性，虽灵敏度有所降低，反而使其测量范围得以拓宽。 |
