backscattering

backscattering

1. KIM,WANG Jian-feng,et al.Temperature Effect of Amplified Anti-Stokes Raman Spontaneous Backscattering in the Single Mode Fiber[J].Acta Optica Sinica,2004,24(5):609-613.

KIM,王剑锋,等.在单模光纤中放大的反斯托克斯拉曼背向自发散射的温度效应[J].光学学报,2004,24(5):609-613.

2. ZHANG Rui,WANG Rui-he,QIU Zheng-song,et al.Stability evaluation of foam drilling fliud using light backscattering theory[J].Acta Petrolei Sinica,2005,26 (1):105-108.

[5]张锐,王瑞和,邱正松,等.利用光散射原理评价泡沫钻井液的稳定性[J].石油学报,2005,26(1):105-108.

3. To determine the optical parameters of turbid media with an unpolarized backscattering light,an oblique incidence geometry with the compound BP neural network has been designed.

为从无偏振混浊介质背向散射光确定散射光学参数,设计了倾斜入射的模拟光路以及用复合反向传播神经网络求解的方案。

4. Because the backscattering coefficient is constant, Amazon tropic rain forest is the important calibration region.

亚马逊热带雨林的后向散射系数呈现大面积的均匀性和稳定性,故成为分布目标定标最主要的定标场。

5. The lock in effect and threshold expressions caused by backscattering from cavity mirrors in a passive resonator gyroscopy are derived based on the resonance characteristics of cavity.

从谐振腔的谐振特性出发，严格地推导出无源谐振腔激光陀螺中由腔镜背散射引起的闭锁效应关系式及闭锁阈值表达式。

6. Optical time domain backscattering technology

光时域后向散射技术

7. The substrate scale is 6x6x4 and 8x8x4 fcc cells for lowerand higher incident energy, respectively. The adatom yields, the sputteringyields, the vacancy yields, and the backscattering yields are calculated.

单胞的体积为6a_0×6a_0×4a_0（a_0=0.392nm为Pt的晶格常数）或8a_0×8a_0×4a_0。

8. It is useful to use greater value of detection angle for increasing the backscattering coefficient and ameliorating the ratio of signal to noise.

可以利用大的探测角值提高背散射率以改善信噪比。

9. Besides the backscattering signal from particles,however,the acoustic backscatter gathered from the sampled volume by the system also contains additional interference and noise.

可是，遥测系统对采样体积采集的声反向散射，除了粒子的散射信号外，还包含附加的干扰和噪声。

10. The parameters of FIRFEL and the project of the compton backscattering experiment are present for the storage ring of NSRL, and the theorectical results are given also.

同时还针对NSRL光源的参数，提出了一个初步可行的远红外FEL参数和背散射工作方式，并给出了理论结果。

11. At first, an experimental study has been conducted to clarify the significance of the Rayleigh backscattering, and the method to overcome the crosstalk penalty is presented.

因为莱曼放大器可同时放大双向的光信号，将有效率的延长波分多工被动光网路的距离。

12. In the experiment, one of the laser optical fiber irradiats ceramic mud through a double-D optical fiber sensor, the other receives the backscattering laser light goes through the ceramic mud.

在实验中，把光信号通过双D型光纤传感器中的一支光纤射入陶瓷泥浆，另一支光纤接收陶瓷泥浆颗粒对光信号的后向散射光线。

13. The ultrasonic backscattering of waxy crude oil was measured in laboratory and processed by wavelet transform for bettering the signal/noise ratio.

在实验室条件下对一种含蜡原油的声背散射进行了测量，用小波变换技术降低信号噪声，提高了信噪比。

14. For conductive cylinder, when the radius-to-wavelength ratio is small, the backscattering width of TE polarization is narrower than that of TM backscattering.

对于高导圆柱体，当半径与波长之比较小时，其散射场TE极化的后向散射宽度要小于TM极化的后向散射宽度。

15. Backscattering Target Detection in a Turbid Medium by Polarization Discrimination[J].

引用该论文 仇英辉,刘建国,魏庆农,刘文清.

16. Temperature Character of Optical Fiber Raman Backscattering and its Application[J].

引用该论文 刘天夫,张步新,陈阳,陈晓竹,张在宣.

17. Temperature Effect of Amplified Anti-Stokes Raman Spontaneous Backscattering in the Single Mode Fiber[J].

引用该论文 张在宣,Insoo S Kim,王剑锋,刘红林,余向东,郭宁.

18. Impact of Rayleigh Backscattering on Noise Characteristics of Distributed Fiber Raman Amplifiers[J].

引用该论文 张巍,彭江得,刘小明,范崇澄.

19. Detection and validation of Raman backscattering CO2 in atmosphere[J].

引用该论文 洪光烈,张寅超,赵曰峰,邵石生,谭锟.

20. Simulation and Analysis of the Two-Dimensional Backscattering Mueller Matrix for a Random Medium[J].

引用该论文 王清华,李振华,来建成,贺安之.

21. Rutherford backscattering spectrometry (RBS) was utilized to examine the stoichiometry and density of the HfNx films.

拉塞福背向散射分析仪对薄膜进行组成成份及密度鑑定；

22. New method based on Electron Backscattering Diffraction (EBSD) was proposed to determine the orientation relationship of precipitates, and its accuracy is estimated to be 2.

提出了一种新的基于扫描电镜背散射电子衍射花样的测定析出相取向关系的分析方法,这种方法的精度约为2。

23. In this paper,a technique of proton elastic backscattering(EBS)in the energyrange of 1.5-2.5MeV is proposed for the measurement of the total contents of oxy-gen in the films.

提出了用能量为1.5－2.5MeV的质子弹性背散射分析（elasticbackscattering，缩写为EBS）来测定薄膜中的氧含量，这个方法对于厚度为几十纳米到几个微米的样品，测量精度约5%。

24. Abstract： There may be unreal peaks on backscattering signal curve in the measurement of optical fiber links by OTDR.

摘 要： 用OTDR测试光纤线路时，其背向瑞利散射信号曲线上常出现幻峰。

25. Currently a widely recognized channel backscattering theory finds potential applications in the areas of nanoscale FETs.

摘要:在奈米场效电晶体中,热能区通道背向散射理论现在已经被广泛的应用。

26. To determine the optical parameters of turbid media with an unpolarized backscattering light, an oblique incidence geometry with the compound BP neural network has been designed.

摘要为从无偏振混浊介质背向散射光确定散射光学参数，设计了倾斜入射的模拟光路以及用复合反向传播神经网络求解的方案。

27. According to ionospheric oblique backscattering sounding system's characteristics, the paper designed the signal source module which based on VXIbus and realized it with FPGA and DigitalUp Converter.

摘要根据新型电离层斜向返回探测系统的编码调相脉冲压缩、间隔收发体制。

28. By using the Monte Carlo method, we simulate the backscattering coefficient and the thickness contrast of low loss energy and coaxial backscattered electrons in thin film targets.

摘要用蒙特卡罗方法模拟计算了薄样品中的高能同轴背散射电子的背散射率和厚度衬度。

29. The frequency upshifting and differential cross section of the laser synchrotron source (LSS) are studied based on the Thomson backscattering of intense laser radiation from a counterstreaming relativistic electron.

摘要研究了逆流相对论电子与激光脉冲相互作用获得激光同步辐射的频率上移、微分散射截面等特性。

30. The numerical results show that the backscattering cross-section from the globose air bubble becomes close to that from globose water particle with an increase in the globose air bubble thickness.

数值计算结果表明，随着气泡厚度的增加球形气泡散射系数越来越接近球形粒子散射系数；

31. Abstract: The spectral centroid shift （SCS） of ultrasonic backscattering signals is introduced to assess cancellous bones.

文章摘要: 采用超声背散射信号的质心偏移量来评价松质骨。

32. This paper firstly discusses the rationale of SAR image simulation from geometric and radiometric characteristics of SAR image,such as Range Doppler(RD) model,backscattering model,and speckle model.

本文首先从SAR图像的几何特征和辐射特征出发,探讨了SAR图像模拟技术的原理,分析了RD(Rang Doppler)模型,后向散射模型和斑噪模型。

33. C.M.Liu, C.Y.Young, Y.W.Tsay, and S.C.Liu, 1996.Sensitivity of the NMHC composition, aerosol backscattering and high chimney emission on the photochemical production of ozone.

柳中明、杨之远?1996?臭氧光化污染之现况与控制策略建议农业气象、空气污染与酸雨对农业生产影响及其因应措施研讨会。

34. A model for expressing the change of backscattering flux of foam drilling fluid with time was established according to the optics property of foam drilling fluid.

根据泡沫钻井液的光学性质,建立了后向散射光强度随时间变化的关系模型,并进一步提出了泡沫比表面积的概念。

35. Hall effect and magnetoresistance down to 1.5k and up to 7.5T, Auger sputtering and He ion Rutherford Backscattering spectrum were measured on the speci-mans.

测量了温度低达1.5K和磁场高达7.5T之下的霍尔效应,并测量了俄歇溅射谱及氦离子卢瑟福背散射谱。

36. In general, the backscattering coefficients can be calculated from scatter models.

海面雷达后向散射系数是主动微波遥感定量化研究海洋的基础。

37. The film resistivity was obtained by four point probe.Rutherford backscattering spectrometry (RBS) was utilized to examine the stoichiometry and density of the HfNx films.

溅镀氮化铪薄膜时，随基板负偏压增大，薄膜电阻率会降低，但是，随氮气流量比例增大时，薄膜电阻率会增大；

38. Then the feasibility of ultrasonic backscattering coe-fficient imaging method is discussed.And an outlook on the further research work is presented.

然后对基于背散射法的超声背散射系数成像方法的可行性进行了分析和讨论,最后对进一步的研究工作进行了展望。

39. In particular, the Fano factor for the asymmetric contact structures is more than double that of symmetric ones due to increased backscattering, and is within the experimental range.

特别的，Al(001)面的非对称结构的单原子接触的Fano Factor是对称结构的两倍多，并且其计算数值在实验范围之内。

40. There may be unreal peaks on backscattering signal curve in themeasurement of optical fiber links by OTDR.

用OTDR测试光纤线路时，其背向瑞利散射信号曲线上常出现幻峰。

41. The structure and composition of samples were analysed by Rutherford backscattering spectroscopy (RBS), X-ray diffraction (XRD) and Raman spectra.

用卢瑟福背散射、X射线衍射和喇曼光谱法分析样品的成份及结构。

42. Deuterium behaviour in TiD x /Mo was investigated by ion beam analysis of nuclear reaction analysis(NRA),elastic recoil detection (ERD),rutherford backscattering(RBS).

用核反应分析（NRA）、前向反冲分析法（ERD）、背散射谱法（RBS）等离子束分析方法研究了TiDx/Mo样品中氘的行为。

43. The results show the backscattering of supercontinuum emission from a filament is enhanced in clear air and dusty air with aerosol.

结果表明,在洁净空气和含气溶胶的空气中,自导光丝的超连续辐射都呈现出明显的后向散射增强特性。

44. The results show that the method error is related to aerosol-molecule backscattering ratio and the measurement error is related to signal intensity and aerosol-molecule backscattering ratio.

结果表明：方法误差和气溶胶与分子后向散射比有关,噪声引起的测量误差与信号强度和气溶胶与分子后向散射比有关。

45. These results are agreement with the results of infrared absorption(IR) and Rutherford backscattering (RBS) analysis.

表面硅-埋层的界面和埋层-体硅的界面的化学结构无明显差异. 这些结果与红外吸收和离子背散射谱的分析结果相一致.

46. The proposed algorithm is very effective in solving Raman amplifier equations which include pumps, signals, noises, and their backscattering waves.

该算法能够有效地求解泵浦、信号、噪声及其反向散射波。

47. By using Rutherford backscattering spectroscopy, it has been found that the interdiffusion of Mn atoms, responsible for the decrease of TMR during the annealing process, is suppressed across such nano-oxide layer.

通过卢瑟福背散射实验直接观察到产生这一效应的原因是该纳米氧化层有效地抑制了Mn元素在退火过程中的扩散,从而使TMR值在较高的退火温度下得以保持.

48. GMF modeling using traditional statistical method usually needs a great number of backscattering coefficient measurements under various observing parameter conditions.

采用传统的统计方法建立GMF往往需要大量的、多种参数条件下的雷达后向散射测量数据。

49. Taking the advantages of the accessible range extension and the multi-band backscattering, the proposed scheme can achieve higher SNR and better anti-fading ability.

采用较长接收距离及多频段反向散射讯号之优点，本系统将可以达到较高之讯杂比及抗讯号衰弱等能力。

50. As ASAR increases repeat cysle by changing incidence angle, it is difficult to esitimate rice parameters quantitatively using the backscattering coeffcient from different incidence angle images.

鉴于ASAR通过改变入射角提高重访周期，不同入射角的后向散射系数很难直接进行水稻参数定量反演。

51. Through the study on the advantage and defect of current distributed optical-fiber sensors (DOFS), a new type of DOFS entitled soliton DOFS is proposed based on Raman backscattering.

针对目前分布式光纤传感器的优缺点,提出利用孤子效应的拉曼散射分布式光纤传感器系统构想。

52. The SCP of backscattering signals approach the emissive center frequency with increase of ages.

随年龄的增大，质心位置越接近于发射超声的中心频率。

53. A modified noise figure measuring method is proposed so that the noise figure accounts for the MPI deriving from the sum of Rayleigh backscattering signal components.

随着拉曼增益的增加,输入信号功率越大、背向瑞利散射越大,多路干涉的影响越大。

54. The behavior of backscattering of light from nonwoven fabric is mainly dependent upon the physical properties of fibers, the fiber orientation distribution and the area density of nonwoven fabric.

非织造布的光后向散射性质主要取决于纤维的物理性质、非织造布中纤维的取向分布以及非织造布面密度。