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回波特性     
相关语句
  echo characteristic
     Echo Characteristic of Bottom Target in Shallow Sea Channel
     浅海信道中沉底目标回波特性研究
短句来源
     Scale Test Study for Echo Characteristic of the Submarine Model
     潜艇模型回波特性水池测试
     The control software can quickly simulate the echo characteristic of a large number of targets, which include abundant information, and it is of high accuracy and good averaging performance. This software can provide software support for improving the radar simulator performance.
     该雷达模拟器控制软件设计方案能够快速模拟大批量目标的回波特性 ,回波内可以包含丰富的信息 ,模拟精度较高 ,平均性能较好 ,从而为进一步提高雷达模拟器性能提供软件上的支持。
短句来源
     Differences of echo characteristic between impulse radar and continuous wave radar are analyzed,and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.
     分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性,指出冲激脉冲雷达对超低空目标探测的潜在优势。
短句来源
     Basing on OpenGL, the geometrical model is transformed into the visual image on the computer's screen, and target surface's normal vector and space included in the information of pixels are obtained. Instead of computing the surface integral directly, the forecast of echo characteristic of underwater target is achieved by calculating the sum of the contribution from all the pixels in the screen image.
     该方法利用三维图形处理系统,采用建模软件对水下复杂目标进行几何建模,并基于OpenGL技术把几何模型转化为屏幕上目标的可视化像素图形,获取像素中包含的目标表面法向量和空间距离信息,最后通过把回波特性预报中的面积分转化为屏幕上可视化图形的像素求和计算,完成水下目标回波特性预报。
短句来源
  echo characteristics
     Graphical acoustics computing method for echo characteristics calculation of underwater targets
     水下目标回波特性计算的图形声学方法
短句来源
     Calculating Software TESSYS of the echo characteristics of submerged targets and its application
     水下目标回波特性建模软件TESSYS及其应用
     On the basis of Kirchhoff approximate equation, a new approach - GRACO (Graphical Acoustics Computing) is developed for forecasting the echo characteristics of underwater targets in real time. Using 3D graphic processing system, the geometrical model of complex underwater target is established.
     根据Kirchhoff近似公式建立了一种水下目标回波特性实时工程预报的新方法-可视化图形声学计算方法GRACO (Graphical Acoustics Computing)。
短句来源
     To build an appropriate mathematic model of dynamic targets tracked by radars and thus to reproduce the movement and echo characteristics of the target for realizing dynamic target simulation,a new method is put forward using radar data measured in real world environment.
     为了对动态雷达目标建立合适的数学模型,逼真地复现目标的运动特性和回波特性,从而实现动目标仿真,提出了利用野外真实试验中实际测得的目标RCS数据建立动目标仿真模型,实现动态雷达目标仿真的一种新方法。
短句来源
     Focused on these problems,the ultrasonic echo characteristics of the spot welding defects were analyzed mainly with the qualitative characteristic parameter analysis,which can identify the spot welding defects quickly through collecting the standard ultrasonic curves and using peak-value marking algorithm.
     针对传统超声检测中存在的这些问题,在对点焊接头缺陷进行以特征值参数定性分析为主的超声回波特性分析的基础上,通过采集标准超声曲线及开发峰值标记识别算法对汽车车身点焊缺陷进行快速识别。
短句来源
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  scattering characteristics
     Scattering Characteristics and Targets Recognition of Laser TDD
     激光目标探测装置的回波特性及目标识别技术研究
短句来源
  echo behavior
     THE ECHO BEHAVIOR ANALYSIS OF THE NONEQUILIBRIUM WAKE
     再入弹头非平衡尾迹的回波特性分析
短句来源

 

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  echo characteristics
It was detected that echo signals with coherent echo characteristics are observed during all local time hours and at different levels of geomagnetic activity.
      
The metastases produced a variety of echo characteristics: masses with well-defined margins, hyperechoic foci and sonolucent or hypoechoic nodules with posterior attenuation or lacking posterior enhancement.
      
A detailed analysis of high-resolution seismic data (Chirp, 2-7?kHz) in the Ulleung Basin reveals spatial variation in echo characteristics and geometry of large-scale debris lobes.
      
Sediment types were identified from echo characteristics and by comparison with granulometric data.
      
The evolutions of two slow-moving convective mesosystems observed in Venezuela during VIMHEX-II were studied using time changes in radar echo characteristics.
      
更多          
  scattering characteristics
A method of numerical investigation of the scattering characteristics based on regularizing the Coulomb singularity is proposed.
      
To identify defects of different kinds, it is proposed to use the integral scattering characteristics of polarized light.
      
The width of the intensity-fluctuation spectrum is shown to depend not only on the velocity of the flow, but also on its scattering characteristics.
      
To describe the single-scattering characteristics, the Mie formulas are used.
      
Detection of organic substances adsorbed on the surface of spherical particles from light scattering characteristics by scanning
      
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