介绍一种大动态范围激光回波功率线性测量系统。
It is introduced that a kind of large dynamic range laser pulse echo power measurement system.
激光回波信号采集和处理技术是激光脉冲成像的关键技术。
The laser echo acquiring and processing technique is a key technique in laser pulse imaging.
激光回波阵列探测技术由于其低耗高速等特点，正在受到研究者日益关注。
Laser echo array detection technology has the characteristics of high speed and low-power-consumption, which has been paid more and more attention.
利用所建立的模型对探测系统进行仿真，得到激光回波光子数模型仿真值。
The simulation of the system of single-photon detection for the space targets is carried out based on these models to get the number of laser photon echo which is simulate value.
脉冲展宽特性是激光回波的重要特性，其影响到回波接收信噪比和测距精度。
As an important feature, the characteristics of echo stretching affects SNR of received laser echo signal and ranging accuracy.
针对水下激光探测遇到的特殊问题，设计了一种水下脉冲激光回波信号采集系统。
For the special problems on underwater laser detection, a special data acquisition system is designed.
用激光回波脉冲控制电子快门来操纵摄像机的曝光时间，是抑制背景噪声的一种有效方法。
Steering exposure time of a camera through control electron shutter with laser echo pulse is an effective method for inhibiting background noise.
推导了雾、霾、云、大气的衰减随高度变化的规律，给出了云层激光回波特性的计算公式。
We get rules of the attenuation of fog, cloud, haze and atmosphere as the height changes, and give the calculation formula of the laser scattering character of cloud layer.
本文给出了距离选通光子计数系统的信噪比模型并讨论了激光回波与探测器选通门之间的同步问题。
This article provides the signal-to-noise ratio module of the range-gating photon counting system and discusses the synchronization between the laser echo wave and the detector gate.
从对目标坐标测定仪中激光回波率的分析入手，阐明了应用图像取差原理极大地提高了测距系统的回波率的原因。
The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly.
采用偏振检测方法，对机载激光测深实验系统接收到的大动态范围的水下目标反射的激光回波信号的压缩进行了实验研究。
This paper described a polarization detection method to compress the lager dynamic range of laser returned signals in airborne laser bathymetry system.
本文在参考了大量文献的基础上，对差分吸收激光雷达探测化学毒剂的原理进行了深入分析，对影响激光回波强度的各种因素进行了详细的讨论。
Based on much literature, the principle of the DIAL system in detecting chemicals and the various factors that influence the laser signal intensity are investigated in detail in this paper.
粗糙表面激光回波偏振特性是激光探测、目标识别等领域的一个重要研究内容，它对激光雷达、红外探测和目标识别等遥感设备的优化设计和性能改善有很强的促进作用。
The laser backscattering polarization characteristics of rough surface are investigatedin this paper, it is a fundamental issue to laser detection, target recognition and other fieldsof study.
针对存在斑纹和湍流这两类乘性噪声的激光雷达系统，讨论了对数回波功率的估计问题。
The problem of estimating the log return power in a lidar system in the presence of multiplicative noise (speckle and turbulence noise) is discussed.
在帝国突袭霍斯期间，这些激光炮由勇敢的回波基地义军战士操纵，提供防御火力。
Manned by the brave Rebel troopers of the base, these cannons provided defensive fire during the Imperial assault on Hoth.
描述了激光遥感回波波形采集实验系统主要构成以及关键技术参数。
The frame and key technological parameters of the laser remote sensing echo waveform collection system were stated.
最后提出了利用激光遥感回波脉宽展宽特性反演目标倾斜角的方法。
Finally, the method using the characteristics of the echo stretching to retrieve the target inclination Angle was brought forward.
根据三脉冲激光雷达回波信号的特点，对信号进行差分滤波和匹配滤波处理，信噪比提高约1.5倍；
According to laser radar echo characteristic, the difference filter and the match filter were adopted. As a result, the SNR is advanced about 1.5 times.
通过对比研究激光对漫反射大目标、小目标和“猫眼”光学镜头的回波信号，给出激光主动侦察原理：对目标的距离测量应用脉冲激光测距原理实现；
Theprinciples of the laser active reconnaissance are explained via the comparison of the echo signal. target ranging isrealized by adopting the principle the pulse laser ranging.
理论分析和工程实际表明，在保证跟踪精度的情况下，该激光重频值将满足回波率的技术指标要求。
It is proved both in theory and from practice that the LFR times can meet the performance specifications of laser echo rate while guaranteeing the tracking precision.
为解决低信噪比下激光微弱回波的检测问题，提出了一种新的小目标检测算法。
To solve the laser weak echo detection under the clutter background, A dynamic programming(DP) technique has been developed for the detection of weak targets.
在红外激光测距中，一般是通过测量发射连续激光脉冲和被测目标回波信号的相位差而求得被测距离的。
We obtain the distance by measuring the difference of the phase between the continuous laser signal transmitted and the signal reflected by the object in the infrared rays distance measure.
文中给出了激光超声脉冲及其在金属板中的回波的波形曲线；
The wave charts of laser ultrasonic pulse and its echoes in metal plate are shown.
并研究了激光束作用到倾斜面目标、圆形目标、阶梯型目标的回波波形。
And echo impulse waveforms had been studied when laser irradiates oblique target, circle target and step target.
回顾了泡沫夹层结构常用的无损检测方法：空气耦合超声方法、脉冲回波超声方法以及激光错位散斑干涉方法。
The popular non destructive test methods for the foam-cored sandwich structure are reviewed; including air coupled ultrasonic method, pulse-echo ultrasonic method and shearogragh method.
并以一个实际自行高炮的激光测距系统为原型，建立了其回波仿真模型，用SCTROF对此仿真模型进行了研究，结果表明，该理论是有效的。
Finally, an echo simulating model is built for the laser ranging system of a real self-propelled AA gun, and is investigated by using SCTROF. The results show that SCTROF is effective.
采用模拟回波和精密延时电路检测照射能力、用CCD采集激光光斑测试激光束散角，实现了整机性能的数字化检测。
Using simulation echo wave and accurate time delay circuit to measure ranging ability, using CCD to grasp laser facular to measure divergence of laser pulse, the digitized methods are realized.
在激光雷达测量平流层下部臭氧时，我们发现光电倍增管接收到较低高度的强信号后，回波信号会产生光子并合现象。
In lidar measurements of ozone in lower stratosphere, the phenomena of photon overlap are found when PMT receive the stronger signals from lower altitude.
在激光雷达测量平流层下部臭氧时，我们发现光电倍增管接收到较低高度的强信号后，回波信号会产生光子并合现象。
In lidar measurements of ozone in lower stratosphere, the phenomena of photon overlap are found when PMT receives the stronger signals from lower altitude.
在激光雷达测量平流层下部臭氧时，我们发现光电倍增管接收到较低高度的强信号后，回波信号会产生光子并合现象。
In lidar measurements of ozone in lower stratosphere, the phenomena of photon overlap are found when PMT receives the stronger signals from lower altitude.
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