Ultra-wideband radar, well known for its high range resolution, robust jamming immunity and counter-stealth, is paid more attention by the governments of the various states.
超宽带雷达以其高距离分辨率、强抗干扰性、反隐身等优良特性受到各国日益广泛的关注。
Feature extraction for radar high range resolution profiles (HRRP) recognition is concerned.
特征提取直接关系到雷达的目标识别性能。
Why is it easier to hear in a high range?I could play for you, for example, a little bit of Mozart.
为什么高音区更容易听辨，我可以弹给你们听，来点莫扎特的音乐好了。
The paper presents a study of high range resolution experiment with solid sate active phased array radar.
介绍了固态有源相控阵雷达采用瞬时宽带信号进行距离高分辨的试验。
Preparation, formula and properties testing were introduced for HMS series high range water reducing agent.
介绍了HMS型系列高效减水剂的制备方法、配方、以及性能测试。
Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use.
萘系高效减水剂是一种用途较广性能优越的高效减水剂。
Linear FMCW radar is a kind of high-range-resolution radar, and motion compensation is a key problem to realize high range resolution.
线性FMCW雷达是一种高距离分辨率雷达，运动补偿是其实现距离高分辨率的核心技术。
Frequency stepped radar is a high range resolution radar, and motion compensation is the key technique to realize high resolution of range.
频率步进雷达是一种距离高分辨率雷达，运动补偿是其实现距离高分辨的关键。
Then, a fusion recognition method was proposed using polarized information of target under the high range resolution fully polarized radar.
而后，基于全极化高分辨雷达，提出了一种利用目标极化信息一维距离像的综合识别方法。
Testing results for effects of high range water reducing agent on hydration temperature elevation, heat emission and strength of the concrete were presented.
介绍了高效减水剂对混凝土水化温度升高、放热率及强度影响的试验结果。
This paper analyzes the reason why the FMCW signal determined with high sweep repetition frequency (HSRF) generates high range sidelobes in deramping processing.
本文分析了高扫频重复频率的确定截断FMCW信号在去斜率方式下处理高速运动目标时产生较高的距离旁瓣的主要原因。
A low cost retarded high range water reducing agent GCL1 was prepared via oxidation and sulfonation modification using calcium lignosulfonate as primary raw material.
研究了木素磺酸钙的氧化磺化等复合改性工艺，合成了以木素磺酸钙为主要原料的低成本缓凝高效减水剂GCL1。
Influence of high range water reducing admixture (HRWRA) on performance and cost of concrete was discussed. An economical dosage for HRWRA was found and its model established.
讨论了减水剂对混凝土性能和成本的影响，指出减水剂存在一个经济掺量，并建立了经济掺量模型。
This article presents the theory of SIAR, and gives a multi-path height measurement method which is based on high range resolution to overcome the defect in height measurement.
文中介绍了这种雷达试验系统的主要原理，针对该雷达在测高方面的不足给出了一种基于距离高分辨的多路径测高方法。
Conclusion: If the local microcirculatory disorders in the cochlea basal turn near termination take place, the hearing losses are more remarkable in the high range frequencies.
结论：耳蜗底回接近末端局部微循环障碍可以导致高频范围为主的听力损伤。
The system's frequency stability and target's Doppler effect, which mainly influence high range resolution technique, were also analyzed. The first null velocity was calculated.
对影响该高距离分辨率技术的系统频率稳定度和目标多普勒响应进行了分析，计算出目标第一零值点速度。
Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.
本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。
The high range resolution principle and Doppler performance is analyzed. The effect of velocity and acceleration on one-dimensional high range resolution is calculated through simulation.
分析其高距离分辨原理及多普勒性能，通过仿真，计算速度、加速度对一维距离高分辨的影响。
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.
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。
An air entraining high range water reducing agent was synthesized by way of oxidization and grafted - sulfonation of black liquor of reed pulp (sodium lignosulfonate) and its performance was studied.
通过对芦苇造纸黑液氧化、接枝磺化合成工艺，研制出具有引气性能的高效减水剂，并对其性能进行了研究。
This thesis mainly investigates the methods of radar target recognition based on High Range Resolution Profile (HRRP).
本文主要对高分辨距离像雷达目标识别方法进行了研究和探索。
High Range Resolution (HRR) profile is an important feature for the fault diagnosis and identification of space target.
高分辨一维距离像是空间目标故障诊断与识别的重要手段。
High range mortar plasticizer is a new special additive for cement mortar. Its addition can not only obviously improve performance of fresh mortar but also increase performance of hardened mortar.
高效砂浆塑化剂是一种新型的水泥砂浆专用外加剂，掺入后不仅能明显改善新拌砂浆性能，而且能提高硬化砂浆的性能。
It already has extensive research and high recognition rate, but most of implementations are based on PC, and cost is too high, range of applications is relatively narrow.
已经有了广泛的研究和较高的识别率，但大部分都是基于PC的实现，成本较高，应用范围较窄。
Failure analysis is conducted for the single chip packaging process of an advanced high-range MEMS accelerometer with double cantilever beams.
对一种先进的双悬臂梁高量程MEMS加速度计的单芯片封装工艺进行了失效机理分析。
The millimeter wave (MMW) Inter-pulse stepped frequency radar is a type of wide-band high-range-resolution radar.
毫米波脉冲频率步进雷达是一种宽带高距离分辨率雷达。
By the means of adding mineral admixture and high-range water reducer, this article used the manufactured sand as the fine aggregate to produce the high strength flowing manufactured sand concrete.
本文论述了通过掺加矿物掺合料、高效减水剂的技术途径，利用机制砂作为混凝土的细集料，在实验室配制出了大流动性的高强机制砂混凝土。
Under the conditions of higher water-cement radio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
A feature extraction method of high-range-resolution radar profiles, which takes advantage of wavelet packet transform and modified SVD (singular value decomposition) was proposed.
提出了基于小波包变换和改进奇异值分解的高分辨雷达目标一维距离像特征提取方法。
Under the conditions of higher water-cement ratio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
在较大水灰比，一定浓度FDN高效减水剂及密闭条件下，上层水泥浆体会长时间不凝结。
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