距离压缩采用斜视等效距离模型,实现精确的距离徙动校正。
Squinted equivalent range model is used in range impulse impressing to achieve range migration correction accurately.
避免了二次距离压缩(SRC),同时提高了斜视下的成像效果。
Secondary Range Compressing (SRC) is avoided and imaging effect is improved remarkably in squint-looking use.
该算法基于高阶距离模型,首先在距离压缩时校正距离走动,然后在两维频域校正距离弯曲。
This algorithm is based on high-order range model, which firstly corrects range walk in the process of range compression and then corrects range bending in two dimensional frequency domain.
为了画出这个边界,物理学家和数学家利用了类似于艾雪所用的扭曲尺度,将无穷大的距离压缩成有限的长度。
To draw this boundary, physicists and mathematicians use a distorted length scale similar to escher 's, squeezing an infinite distance into a finite one.
如果我们通过调整摄像头使树枝和远山的距离刚好,就能让角色得到正确的压缩。
If we set the camera so that the branches and the hills are at a comfortable distance, we now have these really compressed cardboard-cutout characters.
这个能量释放的不平衡,与很多工艺参数密切相关,如等离子弧压缩程度、切割速度及喷嘴到工件的距离等。
This energy release imbalance, closely related with many process parameters, such as plasma arc compression degree, cutting speed and nozzle to the distance, etc.
止回阀应该安装在距离其他设备,如泵和压缩机等,尽可能远的地方。
Check valves should be located as far away from equipment such as pumps and compressors as possible.
一种传真压缩技术,即对两个相邻扫描线上变化象素之间的距离进行编码。
A facsimile compression technique that codes distances between changing pixels on two adjacent scan lines.
结果证明这种复合探测系统具有很好的脉冲压缩性能、距离截止特性及其它雷达信号不可替代的优越性。
Research results show that the combined detecting system possesses fine pulse compression performance, range cut-off characteristic and the superiority which other radar signals are not provided with.
在现代雷达中,得到广泛应用的线性调频脉冲压缩信号的雷达距离数据递推器公式还未建立。
The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet.
技术作为人的一种存在方式,一方面不断拓展人类生存空间,另一方面汇聚世界、压缩空间距离。
Technology as one of the human existence form, on one hand extends the world space continuously, on other hand gathers the world and compress the distance of space.
实验结果是在某一距离以内,压缩的数字图像信号经过低压电力线路传输后质量得到保持,具有较高的清晰度和自然度。
The testing results show that compressed digital images transmitted over low-voltage power lines maintain good quality which has high clarity and naturalness within a certain distant.
该研究小组先把二氧化碳压缩成液体,然后把它泵入到一层距离地面1 。5公里(约1海里) 、厚度为24米的沙岩中。
The team compressed the gas into its liquid form and pumped it into a layer of sandstone 24 metres thick, lying 1. 5km ( about a mile ) under the surface.
讨论了合成孔径雷达(SAR)距离向数字脉冲压缩的原理和实时实现技术。
We discuss the theory and real time realization of the digital pulse compression of the synthetic aperture radar (SAR).
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。
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.
实验表明,脉冲压缩可有效增加浅海低频声脉冲的传输距离,信道匹配可用于消除多途对脉冲信号检测信噪比的影响。
Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR.
先采用多扫描链相容压缩预处理总测试集,接着使用改进的距离标记法压缩测试数据。
After using compatible compression of multiple scan chains to pretreat the merged test set, modified distance-marking method is used to compress test data.
采用环形数据结构有效存储大规模数据点,通过计算点到平均平面的有限误差距离进行压缩点判别。
It used ring data structure to save massive data effectively. Bounded error-distances from vertices to average plane were computed to find prime vertices for removal.
为了增大雷达的作用距离,脉冲压缩是现代中远程警戒雷达通常采用的一项成熟技术。
To increase the radar detection range, pulse compression is commonly adopted as a mature technology in modern long-distance guard radar.
随着气体被压缩,气体分子之间的距离缩小,引力增大。
The attractive force increases as a gas is compressed and its molecules are brought closer together.
数值结果表明,在碰撞距离附近,压缩比显著增加。
Numerical results show that the squeezing ratio largely increase at the nearby of collision distance.
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。
Moreover, the pulse compression radar has been widely used in practice because of its far detection range and good range resolution.
文章还给出了一个有效的最小海明距离排序算法,大大的提高了测试数据的压缩率。
Finally, we present an efficient hamming distance ordering algorithm, which is proved to improve the compress gain especially.
所述供料器元件(10)在使用中可压缩,由此减小了所述第一端(16)与所述第二端(18)之间的距离。
The feeder element (10) is compressible in use whereby to reduce the distance between said first and second ends (16, 18).
数值结果表明,增大初始振幅在初始一定距离范围内能减小压缩比,接近理想光孤子的脉冲波形压缩效果最好。
Numerical results show that the squeezing ratio decrease at some initial distance when the amplitude increase and the squeezing was best if pluse wave shape near fundamental soliton.
该文首先分析JPEG2000压缩域数据结构,在此基础上,提出信息树的概念,并提出一种新的树距离度量方法。
The data structure in JPEG2000 compressed domain is firstly analyzed. The concept of information tree and a novel tree-distance measurement are then proposed.
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。
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.
该文研究了有源转发器延时对距离向压缩信号、方位向压缩信号幅度和相位的影响;
The effect of transponder time-delay on amplitude and phase of both range-compressed and azimuth-compressed signal are researched.
脉冲压缩雷达体制很好的解决了在普通脉冲雷达中作用距离和分辨能力之间的矛盾,因此脉冲压缩技术广泛用于雷达、声纳等系统。
The technique of pulse compression is widely applied in radar and sonar systems because it resolves the contradiction between action distance and differentiate.
本文给出了2 -距离空间中有理压缩型映射对的几个公共不动点定理,改进并推广了某些已有的结果。
In this paper we present several common fixed point theorems for the form of rational compress pair of mapping in 2-metric space. The results improve and generalize some known results.
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