According to the imaging process of laser active imaging system,the signal-noise ratio model of laser active imaging system is established by analyzing the reflection characters of target and background,atmosphere backscattering character,range gating character and the performance of laser and receiver.
根据主动成像系统的成像过程,通过分析目标与背景的辐射特性、大气的后向散射特性、距离选通特性以及激光发射器和接收器的性能,建立了激光主动成像系统的信噪比模型。
532 μm operation wavelength,Basler 201b camera,sync control range gating plat.
532μm的固体激光器,Basler 201b相机,以及基于CPLD技术设计的距离选通同步控制板,进行了主动成像实验,并对系统最大距离方程进行了仿真与验证。
Range gating is a kind of effective method that can eliminate backscattered light and increase the SNR of the range gated laser imaging system.
距离选通技术是克服大气后向散射,提高主动成像系统信噪比的有效方法。
Design of the range-gated synchronization control circuit in scannerless lidar
无扫描激光雷达距离选通同步控制电路的设计
Range-gated circuit was implemented by CPLD chip,which decreased the volume and reduced the cost of power and improve system s real-time.
为消除水下环境中后向散射光的影响,接收系统采用距离选通接收技术,选通电路采用CPLD芯片来实现,不仅减小了系统的体积、降低了功耗,而且提高了系统的实时性。
Non-scanning 3-D range-gated imaging lidar can improve the detection capability,image quality and distance accuracy of the system by suppressing back scattering and removing fuzzy distance.
无扫描3-D距离选通成像激光雷达能有效抑制后向散射,消除距离模糊,提高系统的探测能力、成像质量和距离精确性。
The techniques of channel separation,range gate,variable gain of photomultiplier tube and cross polarization are analyzed and combined to improve the dynamic range compression of the laser echo signal in airborne laser bathymetry.
分析了分通道、距离选通、光电倍增管变增益、正交偏振等多种技术相结合的方法,用以改善机载激光测深系统中激光回波的动态范围。
Design of the resolution simulation measurement setup for range-gated imaging system;
距离选通成像系统分辨力模拟测试装置的设计
On method for evaluating detection distance of EO system;
光电系统对空目标探测距离评估方法研究
Analysis of active laser detection distance for "cat's eye" target
“猫眼”目标的激光主动探测距离分析
To calculate the detection distance of an infrared homing head upon a cruise missile exactly,the infrared radiation characteristics of both a cruise misile and its terrain background are analyzed and then a model for calculating the detection distance of an infrared homing head upon a cruise missile is established in this paper.
为了准确计算红外导引头对巡航导弹的探测距离,文章对巡航导弹的红外辐射特性以及地面背景的红外辐射特性进行了分析,进一步建立了红外导引头对巡航导弹探测距离的计算模型。
range-gated generator
距离选通脉冲发生器
range-gated Doppler ultrasonic flowmeter
距离选通脉冲多普勒超声波流量计
The technique of range gating in pseudorandom ultrasonic Doppler blood flowmeter
伪随机超声多普勒血流计的距离选通技术
Experimental Research of Range-Gated Array Detect 3D Imaging Laser Radar;
距离选通阵列探测3D成像激光雷达的实验研究
Research on Transmitter System of Range Gated Laser Imaging
用于距离选通激光成像发射机系统的研究
Design of range-gated gain-control photomultiplier
距离选通变增益光电倍增管探测系统的设计
Design of the range-gated synchronization control circuit in scannerless lidar
无扫描激光雷达距离选通同步控制电路的设计
Some questions in the realization of range gated imaging
距离选通成像实现过程中若干问题的探讨
THE THEORETICAL ANALYSIS AND APPLICATION OF PSEUDORANDOM ULTRASONIC DOPPLER BLOOD-FLOW RANGEFINDING MEASUREMENT
伪随机超声多普勒血流距离选通测量的理论分析和应用
Simulation Research of Laser Threedimensional Imaing System Based on Rarne Gated Technology
基于距离选通技术的激光三维成像系统仿真研究
Relation Between Imaging Quality and Gate-Control Signal of Underwater Range-Gated Imaging System
距离选通激光水下成像系统的门控信号对图像质量的影响
Application of Transition Filter to Tone Burst Gating in Remote Communication
过渡型滤波器在远距离通信的猝发音选通中的应用
a telephone line for long-distance calls.
远距离通话的电话线。
long-distance ship-shore radio communications
岸船远距离无线电通信
Choose the order of the fields by selecting a number for each field under "b>Position from Topb>"
通过在“距离顶部的位置”下面为每个字段选择一个数字来选择字段的顺序
range hand wheel
距离手轮, 距离盘
Find the Time-point of Distance-signal in the DME System
精密测距系统中距离信号定时点选取方法研究
An Efficient Selectivity Estimation for Distance Joins
一种有效的距离连接选择度估计方法
