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- Simulation platform of backscatter ionogram 返回散射电离图仿真平台
- A recovery method based iterated de-noising for radio interference on backscatter ionogram 基于迭代去噪的返回散射同频干扰修复方法
- backscatter ionogram 返回散射电离图
- At last, the recent development of ultrasonic backscatter imaging is reviewed. 最后,简要介绍了超声背向散射成像的新进展。
- However, in ionogram mode, though Digisonde works with many sounding frequencies, the resolution of Doppler shift is too low to detect ionospheric disturbances precisely. 而在频高图模式下;虽然工作的频点多;能够获得电子浓度的高度剖面的信息;但探测的多普勒频移的分辨率低;无法用来精确检测电离层扰动.
- We introduce a modified model approach to estimate the unique synoptic oceanic wind field from backscatter of spaceborne scatterometer. 给出了一种改进的场方式反演方法,利用该方法从卫星散射计测量的后向散射强度的数据中唯一反演出大尺度海洋风场。
- Finding Boundary Layer Top: Application of a Wavelet Covariance Transform to Lidar Backscatter Profiles. 发现边界层顶:将小波协方差转换应用于光达反向散射廓线。
- Hall, C. 1988: fist observations of summer polar mesospheric backscatter with a 224 MHz radar, Geophys. Res. Lett., 15, 18-31. 采用224兆赫雷达首次测得的夏季极地中间层大气的后向散射。“地球物理研究通讯”,第15卷28-31页。
- The clock regenerator and backscatter modulator for Ultra High Frequency(UHF)RFID application are implemented. 文章实现了用于UHF频段的射频识别(RFID)标签的时钟恢复电路和反向散射调制信号产生电路。
- Backscatter is the reflection of waves, particles, or signals back to the direction they came from. 后向散射现象是由波,粒子,或信号反射回原点而产生的。
- The CW usually overwhelms the weak tag backscatter signals, and leads to unrestorable demodulation errors. 此连续波通常比标签回传讯号强,因此会覆盖掉微弱的标签反向散射讯号,并且导致不可回覆的解调错误。
- The average of integrated backscatter (AII) was measured and corrected as follows: IBS%= AII of plaque/ AII of adventitia of the same site. 脱机后分析,感兴趣区(ROI)分别置于同一斑块内3个不同位置,记录每个采样的IBS均值(AII),并采取如下方法校正,用斑块同侧的颈动脉外膜的IBS值校正斑块AII值,即AII校正值(IBS%25)= 斑块AII值/同侧外膜AII值×100%25 。
- The CNV was clearly demarcated as a region of weak blue backscatter below the continuous reflective band of RPE (white arrow). RPE光带仍然连续,RPE深层以蓝色为主的团状反射,为RPE深层CNV(白箭);
- The seat rows only backscatter frequencies above a certain threshold, though, so they act, in effect, as a sound filter. 每排座椅只反射高于一定频率的声音,因此实际上它们充当的是声音过滤器。
- Integrated backscatter combined with DSE is valuable in detecting different parts of ischemia in myocardium,especially in detecting LAD lesions. 背向散射技术与传统DSE联合应用可提高DSE对不同部位冠状动脉狭窄的检测率,尤其对于左前降支的病变。
- It is introduced that a modify model-based approach to estimating the unique synoptic oceanic wind field from backscatter of spaceborne scatterometer. 本文给出了一种改进的场方式反演方法,利用该方法从卫星散射计测量的后向散射强度的数据中唯一反演出大尺度海洋风场。
- The crystallographic preferred orientation (CPO) of amphibole, measured using electron backscatter diffraction (EBSD), is a common A-type. 电子背散射衍射(EBSD)测量结果显示,角闪石具有明显的结晶学优选方位(CPO),为A型组构:[100]轴极点形成垂直线理大圆环,最大极密对应轴垂直面理;
- The relationship of ultrasonic backscatter coefficient (BSC) in cancellous bone with frequency is analyzed in theoretical and experimental. 在理论和实验上,分析了松质骨中超声背散射系数与频率的关系。
- Methods:Myocardial ultrasonic backscatter parameters of 59 hypertensive heart diseases and 60 persons of normal control were measured in this study. 方法:测定59例高血压心脏病患者及60例正常对照者的超声背向散射参数。
- Experimental Research on the Backscatter Characteristics from Surface Materials of Wall as Target for Laser Remote Detection of Gases[J]. 引用该论文 尹王保;赵建明;马维光;李昌勇;肖连团;贾锁堂.