ID |
原文 |
译文 |
21385 |
首先使用预先训练的信号强度模型将信号强度融入粒子滤波器; |
Particularly, a pre-trained signal strength-based model is used to incorporate the signal strength information. |
21386 |
然后利用激光聚类后的数据估算运动目标的速度,与RFID相位差估算出的运动目标速度进行匹配; |
Then, the laser ranging data is divided into different clusters and the velocities of these clusters are compared with the RFID phase velocity. |
21387 |
最后利用匹配成功的激光数据对粒子进一步约束。 |
Matching results of both velocities are used to confine the locations of the particles during the update stage of the particle filtering. |
21388 |
在SCITOS服务机器人上验证了算法的可行性,结果表明,与激光和信号强度的定位方法相比,该方法的定位精度得到了明显提高。 |
The proposed approach is verified by several experiments on a SCITOS service robot and results show that the proposed approach provides better localization accuracy when compared with laser-based approach and the signal strength-based approach. |
21389 |
传统分立器件设计的微型合成孔径雷达(SAR)系统,在体积、功耗、重量、成本方面的发展瓶颈日益显现,且系统设计方案不利于单片集成,无法满足未来微型化和泛在化的无人平台对低成本微型载荷的需求。 |
The micro Synthetic Aperture Radar (SAR) system based on the traditional GaAs and GaN devicesis not conducive to the monolithic integration, and the development bottleneck of volume, power consumption, weight and cost is becoming increasingly apparent, which is impossible to meet the needs of the miniaturized and ubiquitous unmanned platforms in the future. |
21390 |
该文针对微型雷达载荷的迫切需求,开展高分辨率微型SAR系统研究,提出了全相参的调频连续波(FMCW)系统设计方案,解决了系统高脉间相位稳定性及高隔离度设计难题,并利用K波段高密度硅基芯片对该微型SAR方案进行技术验证,研制了原理样机并开展成像应用试验。 |
A new scheme for the design of a fully coherent Frequency Modulated Continuous Wave (FMCW) SAR with high resolution is proposed. The design method of high pulse phase stability and high isolation is studied and realized. The prototype of micro SAR is developed based on silicon chip and experimentally demonstrated. |
21391 |
该微型SAR系统斜距分辨率7.5 cm,系统总功耗仅为1.5 W,相比传统SAR系统在体积、重量、功耗等方面取得了显著的进步,同时为微型SAR系统的硅基单片集成奠定技术基础。 |
The micro SAR operates at K band, producing a signal bandwidth of wider than 2 GHz, enabling a range resolution of 7.5 cm. The system has made remarkable progress in terms of size, weight, power consumption and lay technical foundation for the monolithic integration of micro SAR system in a silicon chip. |
21392 |
海洋磁异常检测是海洋科学观测、海底资源勘探、国防安全等领域的重要手段之一,但复杂环境磁场噪声增加了目标磁探测的难度,研究各种磁场噪声机理及抑制方法对于测量精度的提升具有重要意义。 |
Marine magnetic anomaly detection is one of the basic means of marine scientific observation, exploration of undersea resources, national defense and security. However, the complexity of the magnetic field noise increases the difficulty of the magnetic detection. It is of great significance to study various magnetic field noise mechanisms and suppression methods for the improvement of measurement accuracy. |
21393 |
该文提出一种磁异常检测噪声抑制算法,利用通用型和无限水深条件下的海浪磁场模型分别对海浪感生磁场噪声进行估算,通过谱减法和小波去噪相结合的方法对磁异常信号中的海浪和地磁场噪声进行滤除。 |
In this paper, the wave magnetic field model under general and infinite depth conditions is used to estimate the noise induced by sea waves respectively. The wave and geomagnetic noise in the magnetic anomaly signal is filtered out by the combination of spectral subtraction and wavelet. |
21394 |
该文利用2015年8月我国南海某海域的海洋磁场观测数据对该算法进行了验证。 |
In order to verify the validity of the algorithm, the ocean magnetic field in a sea area of South China Sea in August 2015 is observed. |