spectrum distribution造句
例句与造句
- Retrospective clinical analysis on pathogen spectrum distribution and antimicrobid resistance in vap
社区获得性尿路感染菌群分布及耐药性分析 - A doctor can find different spectrum distribution at each time segment , and can also look over frequency field corresponding time domain information
医生可以查找任一时段的不同谱峰分布，也可以查看任一频段对应的时域情况。 - For a start , the principle , configuration , spectrum distribution of dds are illuminated in this paper . the distributions of spurious frequency are specially analyzed in this section
本文首先讲述了dds的原理、结构和频谱分布，其中重点讲述了dds的频谱分布的杂散分析。 - However , the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution
采用相应调制方式的ic品种繁多,各有千秋。但pwm在轻载时效率较低,而pfm由于频谱分布随机,不利于后续滤波器的设计。 - As a result of interference of light , the spectrum distribution of light will change in some condition when it pass through some medium , and the change is determined by the parameter of the medium
利用光谱仪测量干涉后的光谱分布，再结合优化算法拟合测量光谱曲线，反演出光学介质的某些未知物理参数。 - It's difficult to find spectrum distribution in a sentence. 用spectrum distribution造句挺难的
- This paper illuminates theory , structure , spectrum distribution , merits and defects , especially spurs of direct digital synthesis ( dds ) , and it then introduces phase locked loop ( pll ) theory
对dds的结构、优缺点、频谱分布，特别是杂散性能进行了详细的阐述。接着，又介绍了锁相环（ pll ）的原理。 - It reduces the “ music noise ” using the human auditory characteristics , and enhances the hearing quality using the speech spectrum distribution characteristics in the time - frequency dimension
主要以谱减法为基础,结合人耳的听觉特性从而减少残留“音乐噪声”的影响;结合语音的语谱在时-频域分布特性从而提高增强后语音的听觉质量。 - According to the characteristics of the human pronunciation and the speech spectrum distribution in the time - frequency dimension , the paper finds out that there is a shortcoming of the speech enhancement system which is based on the masking properties of human auditory
根据人的发音特点,通过分析语音的语谱在时-频域的分布,发现把听觉掩蔽效应应用于语音增强时存在不足之处。 - The work was held out by the fund of nature science , 863 fund and innovation fund of chinese academy of sciences . in this work , we firstly got the relative spectrum distribution of lpp source with jet gas target in domestic lpp source study
该项工作是在国家基金、 863 、中科院创新基金支持下完成的，首次在国内获得喷气靶激光等离子体光源的相对光谱分布，为进一步进行高精度测量工作奠定了基础。 - On the basis of lorenz - mie theory , this paper is devoted to the research on characteristics of intensity and spectrum distributions of each order rainbow for a homogeneous particle , with the usage of geometric optics theory , airy theory and debye theory
本文基于小粒子散射的lorenz mie理论，结合彩虹的其它理论（几何光学理论、 airy理论、 debye理论）研究了均匀球、柱粒子各阶彩虹强度分布和频谱特点。 - ( 2 ) in the experiment on testing halogen - lamp of coverd films , we test the spectrum distribution about the halogen - lamp of covered films which the film is blue film , it is blue interferential film , blue and blue interferential films , infrared film , infrared inter - ferential film , and the surface of halogen - lamp is no film
对加蓝膜、蓝干涉膜、蓝膜加蓝干涉膜、红外膜及红外干涉膜与不加膜的卤钨灯的光谱分布进行了测试。 - It is very abroad on application of the simulating technology in solar radiation . it may applied to agriculture , aeronautics and industry . the technology only considers the quantity of the radiant heat , but it does n ' t take into account the spectrum distribution on many fields
太阳辐射模拟技术的应用领域非常广泛，它可以应用于农业、航天和工业中，但是在许多领域其模拟都是仅考虑辐射热的大小，而没有考虑其光谱的分布。 - ( 3 ) in the dy - lamp experiments , we study the spectrum distribution of relative - energy . firstly , it is tested by providing bandwidth and the numbers of the band according as a standard of the solar simulator . the result shows it cannot achieve a standard of the solar simulator that the spectrum distribution of the dy - lamp is simulated the solar spectrum ; however , if according as b standard , then it can attain the request of b standard of the solar simulator
研究了镝灯光谱相对能量分布，首先根据a级模拟器提供的带宽和带数对镝灯的光谱能量分布进行了测试，测试结果表明，利用镝灯来模拟太阳光谱达不到a级模拟器的要求；根据b级模拟器提供的带宽和带数对镝灯再次进行测试，并与b级的光谱失配误差进行比较，结果表明，利用镝灯来模拟太阳光谱可达到b级模拟器标准。 - The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments . this data is worked as the input of the road surface for theoretical calculation . the result of experiments mostly fits that of calculation , and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired
在沥青路面、破损铺砖路和砂石路面上以不同速度进行了平稳随机激励牵引试验，用五轮仪测量得到的加速度时间历程进行两次积分的方法得到路面不平度的时间历程做为路面输入进行对应的理论计算，试验结果和计算结果基本相符，得到了火炮和牵引车多个加速度功率谱分布。 - This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode . the detector and the monochromator of one spectrum measurement system had been calibrated using the method , and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured . the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一种利用光电二极管传递标准探测器标定普通探测器和单色仪系统的方法，实际标定了所用的探测器和单色仪系统，测得了喷气靶激光等离子体光源的相对光谱分布，设计出绝对光谱分布的测量方法，并且利用labview的g语言及相应的数据采集卡等硬件设备构造出一套智能化、高效率的测量系统，完成了多层膜反射率测量工作。
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