最后,对该检测方法与传统二进制积累检测算法就检测性能给予比较。
Finally, comparisons for detection performance between this algorithm and conventional binary integration detection algorithm are also given by simulation.
因此,基于对雷达高度表面目标的二进制积累检测算法的研究显得尤为重要。
So studying on area target's detection algorithms for airborne pulse radar altimeter seem to be important.
信号检测模块采用仪表放大、程控增益放大、积累检测方式等措施有效地提高了测量系统的信噪比。
The measure module has bigger Signal-to-Noise Ratio because adopting instrumentation amplifier, Programmable gain amplifier and accumulate measurement.
在对二进制积累检测方法分析的基础上,提出了一种基于模糊积累的检测方法,导出了检测性能的解析式。
A fuzzy accumulation-based detection method was proposed in terms of analyzing the approach of binary accumulation detection, and the analytic expression of detection performance derived.
提出一种宽脉冲等效法,在不降低距离分辨率的前提下可克服雷达多个脉冲回波积累检测时距离走动的影响。
The equivalent wide pulse (EWP) long coherent integrated technique with range resolution capability is proposed which can overcome range migration in a low observable target detector.
这两种方法既可用于多段线性调频连续波探测回波的积累检测,也可用于多个相参脉冲信号的积累与频率估计。
The new methods can be used in both detection of FMCW echo and frequency estimation of correlative pulse train.
在检测了实验老鼠积累更少的脂肪的原因后,研究人员怀疑是分子信号起的作用。
The researchers then examined why the mice were accumulating less fat, suspecting that a molecular signal was in play.
最早的检测方法要算对感兴趣的频段进行能量积累的能量检测方法。
The early approach is to accumulate the energy in the band of interest called energy Detection, energy Detector or Radiometer.
低信噪比小目标检测是当前的研究热点,能量积累是其关键技术之一。
Low SNR point target detection is the currently research focus, energy accumulation is one of its key elements.
正确提取目标强散射中心,并对强散射中心的能量进行有效的积累,是高分辨率雷达距离扩展目标检测的关键。
Extracting main scatter center of the target correctly and accumulating the energy of the main scatter center are the key to the high resolution radar range extension target detection.
根据目标、背景干扰和噪声在红外序列图像中的差异,提出了一种基于空间高通滤波和时间域上N帧轨迹积累的运动小目标检测方法。
According to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and N-frame track accumulating is presented.
通过长期检测数据积累,将有缺陷的和经过解剖对比的石油管道图形曲线资料输入计算机作为缺陷类型模板。
The curves of the detecting data of the pipes with flaws accumulated have been imported into computer as flaw patterns.
主要研究了动基线时差测量系统采用多脉冲相参积累算法对低信噪比条件下运动目标的有效检测问题。
How to detect moving target in low SNR condition for moving-baselines time difference measuring system is studied, using multi-pulses coherent integration algorithm.
主要从工程应用角度出发,对检测和补偿两个环节进行了研究和设计,为有源滤波器的工程应用积累了经验。
From the Angle of engineering, some key problems in harmonics detecting and compensating parts are studied, which accumulates much experience for the engineering use of APF.
在高分辨条件下,多周期积累时间内目标的运动会造成回波包络的跨单元走动,而距离走动带来了检测性能的下降。
In high range resolution conditions, the migration of moving target causes the migration of echo envelop within multicycle integration time and brings the decline of detection performance.
本文着重介绍了一种在噪声中积累和检测非均匀脉冲序列的数字实现方法。
A digital accumulating and detecting method used for an un-uniform pulse sequence in noise is described.
它实现多分层的积累,既能减少信息损失,提高检测性能,又能节省设备,不失为一种优良的检测器。
It not only decreases information loss but also enhances detection ability and saves equipment, hence a qualified detector.
再利用恒虚警、脉冲积累等技术可以在一定程度上解决前面提到的不可分辨目标的检测问题。
Then, using the stationary false alarm and pulse accumulation technique could solve the detection problem of unresolved targets in a certain extent.
此外,各确证中心实验室在对辖区内艾滋病检测实验室进行质量管理的过程中积累了许多有效的经验。
In addition, the central laboratory confirmed in the area of AIDS testing laboratories for quality control in the process of accumulation of a lot of experience and effective.
该方法首先对各距离分辨单元在方位向进行非相参积累,然后利用类似单个脉冲下扩展目标的广义似然比检测器来实现高分辨率雷达的检测。
First, each range resolving unit was accumulated non-inherently in azimuth, and then the detection of HRR target was done with the GLRT detector similar to that of the mono-pulse spread targets.
阐释了单个脉冲回波信号和多周期脉冲串回波信号,利用积累来提高检测性能的多种方法。
Some methods of enhancing detection performance in dealing with the single pulse echo signal and the multi-period pulse bunch echo signal by accumulating are summarized.
本文提出一种可用于直接检测雷达的步进时间间隔脉冲串实现脉冲积累的新方法。
Pulse compression can be performed in direct detection radars by using a newly proposed stepped time intervals coding pulse train and corresponding correlation algorithm.
为掌握小型西瓜生长发育规律,采用分期抽样和定量检测方法,对黄小玉、红小玉生长过程中生育期、干物质积累、养分的吸收分配和果实品质变化进行了研究。
In this article, the development stage, dry matter accumulation, nutrient absorption and distribution, fruit quality changes during growth stage of Huang Xiaoyu and Hong Xiaoyu were studied.
然后对各个能量积累值进行检测判断,从而检测出真实目标,同时提取出目标的轨迹。
Then the judgment is carried on according to each energy accumulation value, thus the real targets are detected, simultaneously the target tracks are picked up.
随着我国企业技术力量的不断提高,在产品标准制修订和标准应用方面积累了丰富的经验,越来越多的企业筹建了产品检测实验室。
More and more companies have established enterprise testing lab with the improvement of technology strength and experience accumulation of product standard modification and application.
合成与积累可以提高输出信号的信噪比,从而增大信号检测概率,增加雷达的作用距离。
Synthesis and integration can improve the signal-to-noise ratio (SNR) of output signal, thus increasing the signal detection probability and extending the radar range.
本文介绍了脉冲压缩、旁瓣抑制、杂波处理、多脉冲积累以及恒虚警检测等雷达信号处理技术。
This paper introduces the pulse compression, side lobe cancellation, clutter suppression, pulse accumulation and CFAR of coherent Radar signal processing.
泥水界面检测仪是一种用于测量沉淀池底部污泥积累厚度的电子仪器。
Mud-Water Interface Detector is an electric device used to detect the depth of mud in the bottom of the tank.
它包括点数可变的自适应动目标显示(AMTI),数字脉压(DPC),动目标检测器(MTD),数字积累(DI)和恒虚警率处理(CFAR)。
It is composed of adaptive MTI (AMTI) with variable number of pulses, digital pulse compression (DPC), moving target detector (MTD), digital integration (di) and constant false alarm rate (CFAR).
在PD雷达检测中,雷达接收到的回波信号的能量相当弱时,用传统的雷达积累与检测方法不能可靠地检测目标。
In the PD radar detection, when the echo signal energy received is quite weak, the targets cannot be detected reliably with the traditional radar accumulation and detection method.
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