提出了一种利用单目视觉测量目标距离的方法。
A method to measure object distance by monocular vision was proposed.
并利用电扇作为目标,测试了目标距离及不同档风速下的目标视线速度。
The range of an electric fan as well as the line-of-sight fan speed of different levels is tested.
本文研究了一种新的高频地波超视距雷达目标距离以及方位角超分辨问题。
Super resolution for target range and azimuth Angle of a novel bistatic HF-Surface Wave Radar (HF-SWR) is investigated.
针对目前雷达试验,给出一种快速计算目标距离、方位、仰角真值的计算方法。
A method to calculate quickly the real values of the range, azimuth and elevation of targets are given for current radar tests.
利用所得公式计算了不同气象条件下,目标距离分辨率与目标距离之间的关系。
The relationship between the distance resolving power and the distance is calculated for different weather conditions.
而对目标的未来点解算、火炮随动和目标距离等环节则采用软件仿真模式来完成。
At the same time, the modules of the future position calculating of target, artillery following movement and target distance measuring are completed by the mode of software simulation.
被动测距声纳系统是利用换能器基阵接收的目标辐射(噪声)信号来估计目标距离。
The system of passive ranging SONAR makes use of the target noise received by the equipment which converts energy from one form to another to estimate the target distance.
还提出了3点插值算法并将其用于目标距离估计,进一步提高激光雷达的测距精度。
A technique named 3-point interpolation is proposed to enhance the range accuracy further.
ECM场景包括一个远距离支援干扰机(SOJ)和目标距离波门拖引(RGPO)。
The ECM includes a standoff jammer (SOJ) broadcasting wideband noise and targets attempting range gate pull off (RGPO).
本文先用面积法求出线式巡逻潜艇发现目标的概率,然后对潜艇发现目标距离作了分析。
This article first works out the finding probability of linear patrol submarines through area method. then analyses the find distance of patrol submarines.
为了实现目标的全程测距,首先要求接收阵的孔径应较大,以实现对远程目标距离的有效估计。
To higher the ranging accuracy, first of all, a bigger array aperture is required to effectively estimate the range of target far away.
利用多普勒频移原理实现了运动目标速度测量,利用脉冲回波测距原理实现运动目标距离测量。
The speed of moving-target was measured based on the principle of PD frequency shift, and the range of moving-target on the pulse-echo principle.
本文以卡尔曼滤波跟踪算法为例,重点讨论了跟踪数据率随采样时间和所测目标距离的变化趋势。
With the Kalman filter as an instantiation, the changing of the data rate factor along with sample time and distance of target is studied.
本文阐述了高分辨率一维距离成像的原理,提出了一种基于目标距离像的目标信号检测和跟踪方法。
The principle of obtaining one dimensional high resolution range profiles (HRRP) of a target is introduced, and a method of target detection and tracking based on HRRP is presented.
该文采用跳频脉冲信号作为成像雷达信号形式,研究了一种雷达等效转台目标距离-多普勒成像的新算法。
With adoption of the hopped-frequency pulses as a radar waveform for imaging targets, a novel algorithm for range-Doppler imaging of rotating targets is proposed.
这样做既提高了系统的经济性,简化了结构,又使得系统具有了同时测量目标距离、相对速度和方位角的功能。
The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time.
在很多应用场合中,要求多台步进电机在运行目标距离不同的情况下,能同时启动、加速、高速、减速、制动停止。
In many applications, under the circumstances of different target distances, more than one step motor are required to start, accelerate, high speed, decelerate, brake to stop simultaneously.
由于光学测距传感器能够有效地避开敌方电磁干扰并对目标距离进行测量,因而在现代飞机上仍然得到了广泛应用。
The optical distance measurement sensor can effectively escape electromagnetic interference coming from the hostile and measure the target distance, so it is still be used widely on modern aircraft.
LFMCW雷达检测运动目标,可以采用对称三角lfmcw信号,通过频域配对实现动目标距离、速度的去耦合。
Triangular frequency modulation continuous wave, combined with frequency domain matching, is adopted to solve the problem of range-velocity decoupling in LFMCW radars.
利用HRRP对雷达视角敏感这一特点,用隐马尔可夫过程表征多视角雷达回波序列,获得目标距离-方位两维信息。
HMM is used to describe multi-azimuth radar profiles to obtain the distance-azimuth information of radar target through that radar HRRP is sensitive to radar azimuth.
该文较为详细地分析了高分辨率机载SAR数据处理中,有关目标距离单元徙动(RCM)校正和平台运动偏差的精确补偿问题。
This paper detailedly analyzes precise Range Cell Migration (RCM) correction of the targets and motion error compensation of platform in high resolution airborne SAR data processing.
根据匹配滤波器输出峰值位置可以获得目标距离的估计,但运动目标径向速度造成的回波和样本失配将导致匹配滤波器检测性能下降。
But the mismatch between echo and replica caused by moving target's radial velocity will degrade the detecting performance of the matched filter.
通过多假设的方法,把机载火控雷达高重复频率线性调频测距模式下的目标距离估计和模糊分辨问题转变为静态多模型估计和判决问题。
Through multi-hypothesis, the problems of target range estimation and ambiguity resolving were converted to the problems of static multiple model estimation and decision.
通过融合红外探测器对目标辐射的响应信息,利用所测得的角度参数,建立了获取目标距离的估算模型,为系统的研制提供了重要的理论依据。
In this paper, the outputs of infrared sensors and the Angle parameters are used to set up a range estimation model, which provides an important theoretical reference for the research of systems.
人类通过学习近距离追踪目标,克服了这些缺点。
Man overcame these faults by learning to track his targets at a close range.
然而,人类通过学习近距离追踪目标,克服了这些缺点。
However, man overcame these faults by learning to track his targets at a close range.
计算这个角度可以让天文学家测量地球到太阳的距离,这是当时的终极目标。
Calculating this angle would allow astronomers to measure what was then the ultimate goal: the distance of the Earth from the Sun.
计算这个角度可以让天文学家测量地球到太阳的距离,这是当时的终极目标。
Calculating this angle would allow astronomers to measure what was then the ultimate goal: the distance of the Earth from the Sun.
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