俯视雷达测量地面目标时会受到临界俯角的限制。
A down-looking radar was limited by a critical depression Angle when it detects the target on the ground.
该方法直接从雷达测量数据出发，具有简单、准确的优点。
This method directly USES radar measured data, so it is simple and accurate.
文中提出了一种新的激光雷达测量臭氧的方法：双差分吸收方法。
The present paper describes the new method of ozone measurement, dual differential absorption lidar (dual-DIAL).
拉曼雷达测量大气中CO2气体含量是一种技术先进的可靠方法。
Using the Raman lidar for monitoring the atmospheric CO2 concentration is an advanced technique.
结果表明L 625激光雷达测量对流层气溶胶波长指数是可靠的。
Results indicate that L625 lidar is reliable for the measurement of tropospheric aerosol wavelength exponents.
由于大气对光波传播引起的折射效应，使得光学雷达测量中产生折射误差。
The refraction effect of light-wave when it propagates in atmosphere brings refraction error to optic radar's measurement.
介绍了应用激光雷达测量技术实现矿用汽车在线自动计量系统的基本原理。
In this paper, the principle by which how to create automatic on-line load measurement system for mine truck using the laser-radar survey technology is introduced.
详细地讨论了微分吸收激光雷达测量气体密度时中心频率的漂移所引起的测量误差。
The measurement error of differential absorption laser radar caused by the shift of its center frequency in measuring atmosphenc density has been discussed particularly.
利用舱上测量数据和有限的雷达测量数据重构飞行弹道，是黑障区弹道再现的有效方法。
One of effective methods for this problem is to reconstruct flight trajectory employing the onboard measurement data and the limited radar data.
在实际工程应用中，为了提高雷达测量精度，电波折射误差的修正主要采用实时修正方法。
Realtime correction method is mainly used in radio wave refraction error correction to improve radio instrumentation accuracy in engineering applications.
讨论了飞机的飞行轨迹和速度特征及其雷达测量，给出了飞行航迹的数学表示和图形编辑方法。
Plane's track and velocity feature together with their radar measure are discussed. Track mathematic description and graphic edit method are also given.
通过被动雷达测量的目标和他们的国家的数量随时间变化的联合估计提出了一种新的递推算法。
A new recursive algorithm is proposed for jointly estimating the time-varying number of targets and their states through passive radar measurements.
提出了利用韦布尔雷达测量的速度及弹道参数来辨识非常规弹丸飞行的阻力系数和攻角的方法。
According to the data given by the Weibull radar, the drag coefficient and angle of attack were identified.
在典型的城市交通情况下，对雷达测量值添加上每个受检目标(如车辆)的横向速度分量是很有意义的。
In typical city traffic situations the additionally to the radar measurement even the lateral velocity component of each detected target such as a vehicle is of large interest.
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.
而这门方法的一个根本环节就是数据采集。本文通过结合工程实例来探讨不同的地质雷达测量参数对数据采集效果的影响。
Since the key to the method is to collect data. it is discussed in this paper about the effect of different GPR' s parameters on collecting data through engineering examples.
本文给出了电波折射误差实时修正的公式拟合方法，该方法在实际应用中能够快速得到折射误差，从而提高了雷达测量精度。
This paper proposes a formula fitting method for realtime correction of radio wave refraction errors for fast determination of the refraction error and improvement of radio instrumentation accuracy.
设想中的‘太空篱笆’为地基s波段雷达网络，将可探测、跟踪、测量和分类近地轨道成千上万的太空物体。
Space Fence is envisioned as a network of ground-based S-band radars that will detect, track, measure and catalog thousands of objects in low-Earth orbit.
飞行器离雷达天线越远，天线电波的波长越宽如此以来使测量出的位置信息误差越大。
The beam of the antenna gets wider as the aircraft get farther from the antenna, thus making the measured position information less accurate.
Wright博士和他的同事们将使用卫星雷达成像技术来测量地面变形。
Dr Wright and his colleagues will use satellite radar imaging to measure how the ground deforms.
仅使用一个雷达，所得的信息并不准确；而研究人员们同时使用四个雷达，分别从不同的方向对同一个气团进行测量。
With only one radar, this measure is not very informative, but the researchers' method USES four, pointing in different directions through the same air-mass.
当风吹得越来越强时，雷达回波会变弱。这可以用来测量越过海洋的风强度。
When winds are blowing hard, the radar echoes are fainter, giving a measure of how strong the wind is blowing over the oceans.
NASA的WB - 57空中实验室将携带一系列的设备对飓风的形成进行研究，这其中就包括可以用来测量降水的雷达系统。
NASA's WB-57 airborne laboratory will carry a suite of instruments to study hurricane formation, including a radar system that can measure precipitation.
多极化目标特性的测量是现代雷达研究中的一个新课题。
The measurement of multi polarization target characteristics is a new subject in modern radar field.
根据中段弹道目标的运动学特性，结合室内缩比模型RCS静态测量数据，提出了一种雷达目标动态rcs仿真的方法。
According to the kinetic characteristic of targets in midcourse and the RCS data of static measurement of the model, a simulation method for dynamic RCS data of radar targets is proposed.
在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
雷达脉冲测量是雷达、EW和ELINT系统的关键组成部分。
Radar pulse measurements are a critical part of radar, EW and ELINT systems.
雷达脉冲测量是雷达、EW和ELINT系统的关键组成部分。
Radar pulse measurements are a critical part of radar, EW and ELINT systems.
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