Unification of Multi-GNSS Bias Reference and Parameter Optimization of ISB/IFB Random Model 

When multi-GNSS system data fusion is performed, differences in signal structure and transmitting frequency between different systems can seriously affect the p...
第十一届中国卫星导航年会论文集——S08 测试评估技术  2020-05-23 下载次数(3)| 被引次数(0)

Analysis of temporal and spatial variation of crustal strain around Longmenshan Fault based on GNSS observation 

The Longmenshan fault zone is located in the transition zone between the eastern margin of Qinghai-Xizang Plateau and Sichuan Basin. It is an important part of ...
第十一届中国卫星导航年会论文集——S01 卫星导航行业应…  2020-05-23 下载次数(0)| 被引次数(0)

Applicability Analysis of Kriging Methodology for China 

A non-nominal condition of ionosphere likely makes the largest threat for aviation service of the Single Frequency(SF) Satellite-Based Augmentation System(SBAS)...
第十一届中国卫星导航年会论文集——S07 卫星导航增强技…  2020-05-23 下载次数(8)| 被引次数(0)

Orbit residual analysis of BDS satellite based on ranging information and telemetry parameters 

Navigation satellites provide navigation, positioning, and timing services to users by broadcasting navigation ephemeris. The ground operation control system es...
第十一届中国卫星导航年会论文集——S04 卫星轨道与系统…  2020-05-23 下载次数(1)| 被引次数(0)

Research on time-frequency synchronization technology of multistatic joint observation 

The multi-station joint detection of non-cooperative targets,such as high-dynamic space debris and aircraft,requires the synchronization of time,frequency and p...
第十一届中国卫星导航年会论文集——S06 时间基准与精密…  2020-05-23 下载次数(1)| 被引次数(0)

A GM/DR Integrated Navigation Method for Vehicle Application 

Focused on the independence and precision requirements for vehicle navigation, an integrated navigation scheme with geomagnetic matching(GM) and dead reckoning(...
第十一届中国卫星导航年会论文集——S09 用户终端技术  2020-05-23 下载次数(2)| 被引次数(0)

Carrier measurements based autonomous spatial reference establishment for ground-based positioning systems 

As an important supplement and backup to the Global Navigation Satellite System(GNSS),the ground-based positioning system is desirable for low cost and high fle...
第十一届中国卫星导航年会论文集——S10 PNT体系与多源…  2020-05-23 下载次数(0)| 被引次数(0)

Phase Multipath Detection and Its Effect on Positioning Based on Multi-GNSS 

Themultipath effect is one of the main error sources of Global Navigation Satellite System(GNSS) positioning.However,due to the complexity of the multipath effe...
第十一届中国卫星导航年会论文集——S05 空间基准与精密…  2020-05-23 下载次数(8)| 被引次数(0)

Precision analysis of terrestrial reference frame parameters based on EOP a-prioriconstraint model 

Earth Orientation Parameters(EOPs)are quantitative parameters that reflect the Earth spatial motion and its rates alongthe rotation axes.Precession and nutation...
第十一届中国卫星导航年会论文集——S05 空间基准与精密…  2020-05-23 下载次数(3)| 被引次数(0)

Realization and Application of a Dynamic Performance Test Method for GNSS Receiver Based on Signal Transponder 

In this paper, a test method based on signal transponder was proposed to realize dynamic performance test and evaluation of high precision GNSS receiver, especi...
第十一届中国卫星导航年会论文集——S08 测试评估技术  2020-05-23 下载次数(1)| 被引次数(0)

Navigation Deception Signal Detection Based on Antenna Rotation and Azimuth Mutual Angle Contrast 

With the wide application of satellite navigation, positioning and timing function in civil infrastructure, the reliable and effective operation of these import...
第十一届中国卫星导航年会论文集——S11 抗干扰与反欺骗…  2020-05-23 下载次数(4)| 被引次数(0)

Tracking Bias of Navigation Signal on Performance of Post-correlation MMSE Antijamming Algorithm 

For Global Navigation Satellite Systems(GNSS) receivers, antenna array technique is one of the most effective methods for interference mitigation. Among which, ...
第十一届中国卫星导航年会论文集——S11 抗干扰与反欺骗…  2020-05-23 下载次数(5)| 被引次数(0)

基于改进模型参考自适应系统的永磁同步电机参数辨识 

针对永磁同步电机多参数辨识时,数学模型存在的欠秩问题,提出一种改进模型参考自适应系统的分步在线辨识方法.该方法采用Popov超稳定性理论设置自适应律,可以保证辨识时系统的稳定性;在改进的模型参考自适应系统中,首先辨识定子电阻、转子磁链,待两个参数辨识结果稳定后,再辨识直交轴电感.这样在同一个模型中实现多个参数辨识,克服...
《控制理论与应用》  2020-03-31 09:23 下载次数(0)| 被引次数(0)

德国保护地体系评述与借鉴 

德国保护地体系是沿袭历史逐步形成的。首先论述了德国保护地体系的法律基础,并对11类德国保护地的定义、现状和管理事权进行了解释。继而对德国保护地体系进行归纳总结:各类保护地由《联邦自然保护法》统筹、分级管理,以自然保护为核心目标;各类保护地地界交织现象广泛存在,从而实现更广泛的连接;关注文化与自然的融合,强调文化景观管理...
《北京林业大学学报(社会科学版)》  2020-03-31 09:57 下载次数(0)| 被引次数(0)

新塔花实时定量PCR内参基因的筛选和验证 

目的:筛选出新塔花在不同组织(根、茎、叶、花)及脱落酸(ABA)处理不同时间的叶片中表达相对稳定的内参基因。方法:从新塔花转录组数据中搜索到5个看家基因ZbIF3G1、ZbGAPDH1、ZbEF1γ、Zb UBC9、ZbTUBα,将其作为新塔花相对实时定量PCR候选内参基因,并设计内参引物。利用实时荧光定量PCR获得5...
《中药材》  2020年 第03期 下载次数(0)| 被引次数(0)

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