多普勒频谱加宽效应,Doppler spectral broadening
1)Doppler spectral broadening多普勒频谱加宽效应
1.Doppler spectral broadening experiment based on virtual instrument基于虚拟仪器的多普勒频谱加宽效应的实验
英文短句/例句
1.Doppler spectral broadening experiment based on virtual instrument基于虚拟仪器的多普勒频谱加宽效应的实验
2.Analysis of Doppler Spectrum and JEM Effect in Air Target Recognition多普勒频谱及JEM效应在空中目标识别中的应用分析
3.Unfolding spectra of Doppler broadening in the positron annihilation正电子湮没辐射多普勒加宽的去卷积谱
4.ISAR imaging of accelerating targets based on Doppler spectrum correlation基于多普勒频谱相关的加速运动目标ISAR成像
5.Estimating the spectral bandwidth of pulsed Doppler signal with the stationarising method利用平稳性提高法估计脉冲多普勒信号的频谱宽度
6.The Doppler frequency can be obtained as a heterodyne or beat effect.由于外差或频差效应，能够得到多普勒频率。
7.Doppler effect can be demonstrated by manufactured device when the sound source is in circular motion. The frequency spectrum is gained with chart spectrum analysis software.利用自制装置演示了声源作圆周运动的多普勒效应,并应用图谱分析软件得到频率分布图.
8.Variations of Doppler Shift and Spread for HF One-hop Skywave短波─跳天波多普勒频移和展宽的变化
9.Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect.而且，由于原子是在作无规则热运动，多普勒效应也会使频谱发生改变。
10.THE SATURATION EFFECT OF DEGENERATE FOUR-WAVE MIXING IN DOPPLER-BROADENED SYSTEM多普勒系统中简并四波混频的饱和效应
11.Analysis of Micro-Doppler Effect in Frequency-Stepped Chirp Signal Radar线性调频步进信号雷达目标微多普勒效应分析
12.A New Fast-time Doppler Effect Compensation Method Applied to Step Frequency SAR System步进频率SAR快时间多普勒效应补偿新方法
13.Influence of Doppler Effect and Frequency Tolerance to Train Dispatching Radio System多普勒效应与频率容差对无线列调的影响
14.Analysis and Application of Spectrum Width Against a New Generation Doppler Weather Radar CINRAD/CD新一代多普勒天气雷达CINRAD/CD谱宽资料分析应用初探
15.DIAGNOSIS OF VENTRICUKAR SEPTAL DEFECT (VSD) BY ULTRASONIC PULSED DOPPLER REAL TIME SPECTRAL ANALYSIS应用超声脉冲多普勒实时频谱分析无损伤诊断室间隔缺损
16.The Clinical Study of Quantitative Assessment of Viable Myocardium Using Pulsed Tissue Doppler Imaging and Strain Rate Echocardiography;频谱组织多普勒和应变率成像技术检测存活心肌的临床研究
17.echo - repeater dopplerizer回声转发多普勒效应器
18.Modulation-Free Laser Frequency Locking by AOM Shifted Cesium Sub-Doppler Spectra声光偏频亚多普勒光谱无调制激光频率锁定
相关短句/例句
wideband Doppler effect宽带多普勒效应
3)Doppler broadening effect多普勒展宽效应
1.Based on theoretical model and calculation method of optical pumped SMMW laser,several problems which should pay attention to in calculation,such as iteration method,resonance characteristic and the feedback property of cavity,Doppler broadening effect and pressure broadening effect etc.如考虑选用迭代法、谐振腔的反馈特性和谐振特性、多普勒展宽效应、压力展宽效应等。
4)Doppler broadening多普勒加宽
1.The Stark optical bistability withDoppler broadening is analyzed by the semiclassical theory.用半经典理论分析了含有多普勒加宽的斯塔克效应光学双稳性，分析了多普勒加宽及其饱和效应对该斯塔克效应光学双稳性的影响。
5)pulsed wave Doppler频谱多普勒
1.Methods Color Doppler flow image(CDFI) combined withpulsed wave Doppler(PW) was used to define the course of vertebral artery and determine the parameters of blood flow for comparative study between two groups: patient group(30 patients with stenotic vertebral artery"s inner diameter<2.8 mm的狭窄患者30例作为病例组,另选健康自愿者30例作为对照组,分别进行彩色多普勒(CDFI)及频谱多普勒(PW)血流显像检查,观察椎动脉走向,测其内径、峰值流速(Vmax)、阻力指数(RI)。
6)Doppler Spectrum多普勒频谱
1.The blood flow of the main renal artery and segmental renal vessels before and after the sclerotherapy were measured by Doppler spectrum, meanwhile, another 20 cases were chosen as c.结论超声引导下穿刺注射99·9%乙醇治疗肾囊肿是一种安全、微创、高效、经济的治疗方法;多普勒频谱检测肾血流有助于了解肾囊肿对肾脏的影响。
2.In the algorithm the doppler spectrum of sea clutter is di- vided into the so-called platform motion spectrum and the sea-echo spectrum.文中提出新的海杂波模拟算法,该算法将海杂波的多普勒频谱分解成平台运动频谱和海面自身运动频谱,通过脱机方式计算这两个频谱分量,从而有效地减少计算量,使模拟能实时完成。
延伸阅读
多普勒变宽(Doppler broadening)分子式：CAS号：性质：又称多普勒变宽（Doppler broadening）。由于原子的无规则热运动引起的原子谱线变宽。热变宽一般由自然线宽的10-5mm变为1×10-3～5×10-3nm，它与温度的平方根成正比。
