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北京大学gis的发展研究历史，对于研究gis的人来说具有一定的参考利用价值。...
北京大学gis的发展研究历史，对于研究gis的人来说具有一定的参考利用价值。-University of Development Studies gis history research gis people who have a certain reference value.
- 2022-07-12 15:14:47下载
- 积分：1
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国家地面数字电视标准DTMB技术解释的…
地面数字电视国家标准DTMB技术解读，作者杨知行（清华大学数字电视传输技术研发中心主任、教授)-The national terrestrial digital TV standard DTMB technical interpretation, the author knowing Yang (Tsinghua University, digital television transmission technology research and development director of the Center, Professor)
- 2022-05-08 06:11:27下载
- 积分：1
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RFC3455中文版，对于学习IMS的人有很大的帮助。
RFC3455中文版，对于学习IMS的人有很大的帮助。-RFC3455 Chinese version of the IMS learning there is a great help.
- 2023-01-17 23:35:03下载
- 积分：1
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Digital TV CA system of national norms. pdf documents.
数字电视CA系统的国家规范。pdf文档。-Digital TV CA system of national norms. pdf documents.
- 2023-04-07 15:40:04下载
- 积分：1
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2001 Beijing Municipal Administration for Industry and Commerce in the registrat...
2001年在北京市工商行政管理局登记注册，是具有独立法人资格的民营高科技股份合作制公司公司是北京市卫生局于1998年成立的《北京市社区卫生综合信息系统框架研究》软件设计小组的主要成员。
-2001 Beijing Municipal Administration for Industry and Commerce in the registration, is an independent legal personality of the private high-tech joint-stock cooperative system the company is Beijing Health Bureau was established in 1998 and the
- 2022-07-14 17:17:49下载
- 积分：1
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本文介绍了梯形的一个仿射不变量，和明确的约束…
This paper introduces an affine invariant of trapezia, and the explicit constraint equation between the intrinsic matrix of a camera and the similarity invariants of a trapezium are established using the affine invariant. By this constraint, the inner parameters, motion parameters of the cameras and the similarity invariants of trapezia can be linearly determined using some prior knowledge on the cameras or the trapezia. The proposed algorithms have wide applicability since parallel lines are not rare in many scenes. Experimental results validate the proposed approaches. This work presents a unifying framework based on the parallelism constraint, and the previous methods based on the parallelograms or the parallelepipeds can be integrated into this framework.
Key words: invariant parallelism constraint camera calibration 3D reconstruction
- 2022-04-23 05:25:55下载
- 积分：1
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DVB
DVB-RCT（地面数字电视系统回传信道） 技术分小组创建于 1999年12月，承担着规定物理层 、媒体接入控制层和RF实施指南的巨大任务， 它们构成DVB-RCT技术规范。-DVB-RCT (terrestrial digital television system return channel) technology sub-group was founded in December 1999, are responsible for the provisions of the physical layer, media access control layer and the enormous task of RF implementation guide, which constitute the DVB-RCT specification.
- 2022-02-14 12:17:51下载
- 积分：1
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有关机载传感器管理、传感器资源分配的经典外文博士论文，很值得仔细读读哦。...
有关机载传感器管理、传感器资源分配的经典外文博士论文，很值得仔细读读哦。-On the airborne sensor management, sensor resource allocation classic foreign doctoral thesis, is worth reading carefully Oh.
- 2022-01-25 20:34:52下载
- 积分：1
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This application note describes the design and implementation of a usb mass stor...
This application note describes the design and implementation of a usb mass storage devic using a secure digital card,which should prove useful to developers of usb mass storage solution.This
application may be used as a stand-alone MSD or as a
Secure Digital/Multimedia Card (SD/MMC) reader/
writer interface.
- 2022-09-30 07:35:05下载
- 积分：1
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File "eap_testing.txt" from openssl
File "eap_testing.txt" from openssl-0.9.8k
- 2023-04-22 19:35:03下载
- 积分：1
