It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.
它通过发射线性调频(lfm)的脉冲压缩信号实现距离上的高分辨率,利用脉冲之间的多普勒信息获得方位上的高分辨率。
This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.
本文详细介绍了以下几个方面:线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力;
Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号,具有大的带宽,因此有高的距离分辨力。
Pulse compression technique is widely used in modem radar systems. Large time duration-bandwidth product signals are used in pluse compression technique to improve the resolution in range domain.
现代雷达系统广泛采用脉冲压缩技术,在确保雷达作用距离和速度分辨力的前提下,采用大时宽带宽积脉冲压缩信号提高距离维分辨力。
Judges in most court are generalists, trained only in a process of conflict resolution applicable to a wide range of problems. Few understand modern technology.
多数法院的法官是通才,仅在处理普遍问题的争议解决方面得到过培训,少有人懂得现代技术。
Judges in most courts are generalists, trained only in a process of conflict resolution applicable to a wide range of problems.
在绝大多数法庭上,法官都是多面手,受训调节适用于很大范围问题的冲突调解。
The series spectrum analyzer in measuring speed, dynamic range, accuracy and resolution power, have established performance standards for similar priced products.
该系列在测量速度、动态范围、精度和功率分辨能力上,都为类似价位的产品建立了性能标准。
To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.
为了提高脉冲串信号的距离分辨力,曾有文献提出了对子脉冲的载频进行线性递增的方法。
In linear frequency modulated continuous wave (LFM-CW) radar the range resolution is determined by signal bandwidth and linearity.
在线性调频连续波雷达中,距离分辨力由线性调频信号的带宽和线性度等决定。
Moreover, the pulse compression radar has been widely used in practice because of its far detection range and good range resolution.
此外,为了解决雷达作用距离和距离分辨力之间的矛盾,脉冲压缩机技术在现代雷达系统中被广泛采用。
A high precision and high performance servo-drive system needs a rotating speed estimation algorithm which has high accuracy, fast response and high resolution in a wide range.
高精度高性能的伺服驱动系统需要在宽范围内有精度高、响应快及分辩率高的转速估计算法。
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.
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。
Compared with the conventional triangulation measurement system, the measurement range in this system is prolonged while the high measurement accuracy and the high resolution are kept.
与传统激光三角测量相比,该系统在保持高测量精度及高分辨率的同时,扩展了测量范围。
Calculates the setting range of each parameter in theory, and proves the method of wavelet transformation has higher frequency resolution than the method of FFT.
从理论上计算各个参数的设置范围,并且证明小波变换方法比FFT方法有较高的频率分辨率。
In this dissertation. The theory and key technologies to measure long-range displacement with nanometer resolution by metrology grating is studied.
本文主要研究利用低线数计量光栅实现具有大量程、纳米级分辨率的位移测量理论及其关键技术。
In the field of robot navigation, vision-navigation has some advantages, such as high resolution, wide detection range, but a drawback of large computation costs for image processing.
在机器人导航领域中,视觉导航具有分辨率高、探测范围广等优点,缺点是图像计算量大。
Then, in the light of high-resolution radar target one dimensional range profiles, it is decomposed in multi-resolution and the multi-resolution feature description are obtained.
然后提出了可用于高距离分辨力雷达目标识别的一维距离象多分辨分解和目标结构特征的多分辨描述方法。
Measuring for the beat error (frequency error) : Numerical display in milliseconds. Resolution is 0.1 milliseconds; the measuring range is 0-9.9 ms.
偏振(频率错误)测量:数值以毫秒显示。分辨率是0.1毫秒,测量范围是0—9.9毫秒。
To allow access to the high resolution and large dynamic range in optical fiber sensor system applications, low coherence, broad band spectral sources are good choices.
使用低相干、宽带光源可以让光纤传感器系统获得高分辨率和大动态范围。
While complex spectral OCT can not only (eliminate) ambiguities noise and improve the images resolution, but also realize valid measuring depth in full range.
复谱频域oct不仅可以消除图像的混叠,提高图像的分辨率,而且可以实现全量程的有效深度探测。
Laser radar has a great many merits such as its high resolution in Angle, range and speed, and therefore, it is widely used in civil and military fields.
激光雷达因具有很多独特的优点:具有极高的角分辨力、距离分辨力和速度分辨力,而在商业和军事上有着广泛的应用前景。
The relations among the resolution of the range, the detection space, the detecting range, the separation between two CCD cameras and parameters of CCD itself are derived in the paper.
推导了立体视差法中距离分辨率,探测范围、探测距离、两CCD摄象机的间距及CCD本身各参数之间的关系。
Thanks to its nondestructive, high-efficient, quick and high resolution, it is used in a wide range of concrete quality detection.
由于雷达检测具有无损、高效快捷、高分辨率等特征而被广泛应用于混凝土质量检测方面。
Because of the floating element, the very high resolution is retained even in the close-up range.
由于浮动元素,非常高的分辨率保留,即使在近距离范围内。
Compared with simulant earthquake, digital earthquake has improved a lot in dynamic range, resolution ratio, amount of information, system precision and data processing conversion etc.
与模拟地震观测相比,数字地震观测在动态范围、分辨率、信息量、系统精度、资料处理转换等方面有了很大提高。
Now, the team had 13 to 14 bits of solid data over the whole input range and could honestly brag about greater resolution in the trade magazines.
现在,整个输入范围内有13到14位可靠数据,可以真实地鼓吹商业杂志中提到的更好的分辨力。
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.
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。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
雷达的距离分辨率与发射信号的带宽成反比,要获得大的距离分辨率,必须发射宽带雷达信号。
A method of UWB radar target recognition based on moving correlation was put forward in terms of moving correlation theory combining with high resolution range imaging of UWB radar.
本文基于滑动相关理论,结合超宽带(uwb)雷达能获取目标高分辨力距离像的特性,提出了一种基于滑动相关的UWB雷达目标识别方法。
A method of UWB radar target recognition based on moving correlation was put forward in terms of moving correlation theory combining with high resolution range imaging of UWB radar.
本文基于滑动相关理论,结合超宽带(uwb)雷达能获取目标高分辨力距离像的特性,提出了一种基于滑动相关的UWB雷达目标识别方法。
应用推荐