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- Using this algorithm, the zero range in CW radar can be measured conveniently with range accuracy improved and range system errors decreased. 采用该算法可以方便地测量多频连续波雷达系统的零距离,提高雷达系统的测距精度,减小测距的系统误差。
- A method of radar ranging with FPGA is introduced in this paper, and its hardware structure and function of this system is also described. 摘要介绍了利用现场可编程门阵列(FPGA)技术来实现雷达测距的方式,论述了该系统的硬件结构组成和功能。
- WT5”,6BZ]:In this paper,we present the analysis the influence of the factors on the backscattered pulse power,signal to noise ratio (SNR) and ranging accuracy. 本文分析了扫描角度和航高对机载激光雷达的回波功率、信噪比和测距精度的影响。
- Multiple frequency CW radar has the virtues of high velocity and range accuracy,with the developoment of measureing radar in shooting range,it is paid more attetion to recently. 多频连续波雷达具有测速、测距精度高等优点,近年来随着靶场测量雷达改进和发展的需要,其研究又逐步受到人们的重视。
- As a result, the concept of optimum signal threshold ratio was proposed to improve the ranging accuracy of the lidar and its computational formula was also presented in this paper. 通过改变接收信号强度,对不同信噪比、不同信号门限比条件下大量测距实验结果进行了分析,验证了最佳信号门限比的存在。
- In mmW radar system, SNR affect heavily on radar range. 在毫米波雷达系统中,信噪比对作用距离的影响很大。
- It is used in the measurement of ranging accuracy,maxmun and minimum ranges,pulse energy,pulse width,repetitive frequency features,beam divergence and optical axis stability of LRF. 主要检测测距机的距离准确性、最大及最小测程、脉冲能量、脉宽、重频特性、束散角及光轴稳定性等。
- MMW high resolution radar range profile two-step stretch processing method direct digital synthesis (DDS). 标 签 毫米波高分辨雷达 距离像 双脉冲伸缩处理 直接数字合成(DDS).
- Range accuracy of laser proximity fuze is the guarantee key to control missile explosive point.It is the premise to realize best matching for fuze working and missile bursting. 摘要激光近炸引信距离控制精度是导弹炸点控制的保证,是实现引战配合的前提,是激光引信研制生产中的一项重要技术指标。
- Simulation and Analysis of CW Radar Ranging for Time Error 连续波雷达测距时差仿真分析
- The linearity of the FMCW signal is an important index to appraise the frequency modulated source.It determines the radar range resolution in the system of radar range. 线性调频连续波(FMCW)信号的线性度是衡量线性调频源质量的一个重要指标,在雷达测距系统中,它决定着雷达的距离分辨率。
- The analysis results show that in typical cases the range positioning error of the radar-theodolite joint positioning model is basically equivalent to radar range finding error. 其结果表明,在典型情况下雷达经纬仪联合定位模型距离定位误差与雷达测距误差基本相当。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- I was reading a magazine when the phone rang. 电话铃响时我正在看一本杂志。
- The melody still rang in her ears. 那个旋律仍然在她的耳际荡。
- Last, he screws on an oversized silencer.He carefully selects a shiny 7.62 mm NATO round (chosen,no doubt, for its long range accuracy) and chambers it using the weapon’s bolt action. 他小心地选好了闪闪发光的北约7.;62毫米标准弹夹(当然要选好,以保证远距离射击的准确性),拉开枪栓,推弹上膛。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- Ranging radar, reversing not look back. 雷达测距,倒车不回头。
- Optimum signal threshold ratio for improving the ranging accuracy of lidar 提高激光雷达测距精度的最佳信号门限比