技術(shù)競爭情報的應(yīng)用與最佳實踐

內(nèi)容概要

　　本書內(nèi)容為“第二屆技術(shù)創(chuàng)新與技術(shù)競爭情報國際會議（2010）”中的優(yōu)秀論文。所選論文著重關(guān)注技術(shù)創(chuàng)新過程中技術(shù)競爭情報的實際需求，展示和總結(jié)技術(shù)競爭情報在技術(shù)創(chuàng)新中的實際應(yīng)用和最佳實踐案例，探討技術(shù)競爭情報如何更加充分地發(fā)揮情報對創(chuàng)新、經(jīng)濟的推動作用。

作者簡介

　　謝新洲，北京大學(xué)新聞與傳播學(xué)院教授、博士生導(dǎo)師。

書籍目錄

主題一 技術(shù)競爭情報的方法與技術(shù)
主題二 技術(shù)競爭情報服務(wù)模式
主題三 技術(shù)競爭情報實踐
主題四 技術(shù)創(chuàng)新與企業(yè)競爭力

章節(jié)摘錄

　　Large-scale computing and data processing technologies throughout the other sub-areas of VR provide the VR system effective operation of the overall security.Computing and data processing technology include data collection,data storage,data transformation and data transmission links.Since the computational complexity of VR systems is high and meanwhile requires higher real-time,computing and data processing capabilities directly determine the efficiency and reliability of VR system operation.Simulation is an experimental technology,creating a complex system computer lab environment to simulate the system operation.In order to give users the most realistic experience in vision,audition and tactus,etc.,the successful VR system should carry the simulation of the physical behavior out in the virtual level.Collision detection is an important technique in system simulation.As the collision detection requires higher real-time and precision,it becomes the technical bottleneck in VR and other real-time simulation system.Collision detection is also an indispensable of one of the key technologies in VR.Three-dimensional(3D)sound technology is an import part of creating the virtual environment.Three-dimensional sound localization technology is the core technology of the three-dimensional virtual sound system.In addition,user interacting with the virtual world by voice is a high-level goal in VR system.Automatic Speech Recognition(ASR)and Text to Speech(TTS)are the key-technology in VR.If combined with ASR and TTS,users may communicate with virtual environment with simple voice,so this technology has the outstanding value in VR environment.Head Mounted Display(HMD)device,widely used in three-dimensional display,is the technology of three-dimensional image capture.Together with the three-dimensional image display technology,it belongs to three-dimensional image technology.In the research,the number of HMD patent is so large that the average citation frequency of selected key-technology patent reaches 141,and clustered as a separate class based on co-citation intrinsic characteristics in clustering analysis.Strictly speaking,in VR,semiconductor light emitting devices and materials technology can be defined as three-dimensional image display technology.Since the average citation frequency of two key-technology patents(US5643826、US5923962)amounts to 756 and their disclosure time is not early(1997,1999),we regard them as crucial and fundamental technologies,shown separately in the article.In the current light emitting devices,organic light-emitting diode(OLED)highlights the advantages and gives good development prospects.According to DisplaySearch's prediction,by 2015,OLED revenues will increase from ＄591,000,000 in 2008 to 60 billion,with the annual compound growth rate(CAGR)growing to 40％4.In the field of VR technology,OLED in HMD with the carrier of video glasses and portable theater has been widely used.At the same time,OLED in digital soldiers and VR games also has significant advantages.5 Concluding remarks Abundant technology inheritance and development information are contained in patent citations.The method of obtaining valuable technical information from patent citations by using multivariate statistical analysis is simple and easy to operate.This approach allows key technology selection based on patent citation analysis to play a better role in decision support of enterprise technology innovation.Based on co-citation theory of patent citation analysis,the authors mined key technologies of virtual reality through multivariate statistical analysis,and illustrated each sub-area of VR key technologies.

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