mobile automatic telephone system 中文意思是什麼
mobile automatic telephone system
解釋
移動式自動電話系統-
It can realize the automatic measurement rainfall and sequence record history datum on time with the rtc ; the system can be taken notes history datum more than 1 month at least ; communication interface supported by the serial communication interface can link with the pc ' s rs232, telephone network and mobile telephone network ; it can persist in working with backup power more than 1 day when the local junction circuit stops providing electricity
它可以實現自動測量降雨量；具備實時時鐘，按時間順序記錄歷史資料，系統至少能夠記錄1月以上的歷史資料；具備串列通訊介面，通訊介面應支持如下功能：與pc計算機的rs232介面、與電話網連接、與移動通訊網連接；具有后備電源，在市電斷電時能堅持工作1天以上。 -
The system comprises the integrated communication system, the emergency telephone system, the automatic vehicle location system and geographic information system avls gis, the mobile computing and messaging system, and the third generation computer assisted command and control system caccs3 - core
這系統包括綜合通訊系統緊急求助電話系統自動車輛顯示位置及地域資訊系統流動電腦信息系統，以及第三代電腦輔助指揮及控制系統。 -
In this disseration the author researched the testing of gsm mobile telephone of the wireless instrument test and carried out it. the work that i shoud do is acquire the testing content 、 standard and method of test of the gsm mobile telephone, then write the driver program of the cmu200. first acquaint the communication system of gsm ; second introuced and analysized the technology of the software and hardware of control the programmable instrument, which include ieee 488 ( gpib ) standard bus 、 scpi ( standard commands for programmable ) and visa ( virtual instrument system architecture ) ; third reaserach the technology of software, it employs visual c + + 6. 0 as application development platform because of its powerful function, universality and programming and employs com module because of its characteristic 、 superiority ; the last ascertain the testing item and its standard 、 mehtod through searching the principle of gsm mobile and its testing criterion and select the programble instrment for testing according to the mobile telephone demands, which include cmu200 ( universal radio communication tester ) 、 e4445a ( spectrum analyzer ) 、 e4438c ( signal generator ), all of this build the platform of testing. i realize the automatic testing of gsm mobile telephone by using com module and visa 、 scpi
論文中首先了解了gsm通信系統及其關鍵技術;再者研究分析了可編程儀器控制的軟硬體技術，包括ieee488 （ gpib ）標準總線、 scpi （ standardcommandsforprogrammableinstruments可編程儀器標準命令）和visa （ virtualinstrumentsystemarchitecture虛擬儀器軟體架構）為對可編程儀器進行驅動編程打下基礎;第三步研究了軟體實現技術，對組件的優勢和com的特點進行了分析確定採用com組件技術來完成驅動模塊;最後根據移動臺測試要求選擇可編程測量儀器cmu200綜測儀、 e4445a頻譜儀、 e4438c信號源和一臺測量控制計算機搭建起了測試平臺，研讀可編程儀器cmu200綜測儀的scpi命令和visa （虛擬儀器軟體架構） ，根據gsm移動臺測試方法在vc開發平臺下採用com組件形式完成對cmu200的驅動編程從而實現對gsm移動臺的自動測試。 -
Host computer system installed in meteorological center and automatic rainfall stations installed in each gathered spot are the two parts of the rainfall measured network system. these two parts can communicate with each other by the telephone or mobile telephone network
雨量測量網路系統由安裝于氣象中心的主機系統和安裝于各個雨量採集點的自動雨量站兩部分組成，兩者通過市話網或移動網進行通訊。
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