low speed data 中文意思是什麼
low speed data
解釋
低速數據，低速資料-
The multiplexer which is used to multiplex and demultiplex the digital tone and low speed data in a channel is the key transitting e - quipment in the electric power transitting system
實現數字話音和低速遠動數據二者在一條通信通道上的多路復用和解復用器，是電力通信傳輸系統中的一項關鍵設備。 -
In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。 -
The services of electric power communication network have already expanded from telephone scheduling and transmitting data in low speed to digital user ' s service with high speed and great capacity, such as computer internet, wide area network and video transmission, etc. its structure has already developed from simple star topology, which is used to serve schedular center, to today ' s multicenter network to assure that the network can serve the requirement of increasing transmission of electric power information
電力通信網的業務已從調度電話、低速率遠動數據傳送擴展到高速、數字化、大容量的用戶業務，例如計算機網際網路、廣域網、視頻傳送等。電力通信網的結構也已從單一服務于調度中心的簡單星形方式發展到今天多中心的網狀網路，以保證能為日益增長的電力信息傳輸需求服務。 -
The data transfer of usb used in this paper conquers some disadvantages, such as low speed, complex of connecting and so on, providing a new pattern interface for the data transfer of plotter
本論文採用的usb這種傳輸方式，克服了以往繪圖機利用并行電纜帶來地低速、迮線復雜等種種缺點，為繪圖機的數據傳輸提供了一種嶄新的新型介面。 -
In the following chapters, a 16 - channel experimental phased array ultrasonic testing system is thoroughly explained, including digital beam forming, low noise programmable amplification of received ultrasound signal, multi - channel hi - speed hi - precision data acquisition, hi - speed real - time processing of multi - channel ultrasound signal, and hi - speed data transfer based on pci bus. in addition, the frame of software system is built
本文詳細闡述了作者所獨立研製的16通道相控陣超聲檢測實驗系統，包括數字化超聲發射/接收波束形成、超聲信號的低噪聲程式控制放大、多通道高速高精度數據採集、多通道超聲信號高速實時處理、基於pci總線的高速數據傳輸等全部電路模塊的結構及工作原理，並說明了所編寫的底層軟體系統的框架。 -
Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high - speed data applications - part 4 : printed board connectors - section 001 : blank detail specification
直流低頻模擬設備和數字高速數據應用設備用已審定質量的插頭座.第4部分:印製電路板插頭座.第001節:空白詳細規范 -
According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer
本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。 -
At present, ip based network is becoming more and more popular in daily life and commercial operation. however, the traditional sdh equipment could not provide high speed and low cost data service and it ' s not economical of investing too much on new equipment and withdrawing the primary investment. furthermore, the entire digital network cannot fulfil the existing traditional operation. so how to inosculate ip based data network and sdh network becomes a very inportant and pratical technology
現在，應用ip技術的數據網路在日常生活和商業運作中變得越來越普遍，而傳統的sdh設備不能提供高速率、低成本的數據業務；同時要對新設備進行可觀的投資和撤出對現有sdh設備的投資，把sdh網路重組成一個純數據網路也不經濟；而且純數據網路不能經濟地實現現有的傳統業務，如固定帶寬的租用線業務和話音業務。 -
Indeed, for some decades now, power line wires have been ? used for low - speed data communication, culminating in such standards and products as lonworks, cebus, and x - 10, as well as many proprietary systems for the transmission of control and management signals
事實上，在最近的幾十年，電力線已經被用於低速數據通信，在lonworks ， cebus ， andx - 10等電力線標準中都有提及和應用，特別是在一些特定系統中用於傳輸控制和管理信號。 -
Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - printed board connectors - detail specification for shielded two - part connectors having a basic grid of 2, 0 mm, fixed part with solder and press - in terminations for printed boards, free part with non - accessible insulation displacement and crimp terminations - part 4 - 107 : printed board connectors with assessed quality - detail specification for shielded two - part connectors havin
直流低頻模擬和數字高速數據用經過質量評定的連接器.印製板連接器.基本網格為2 . 0mm固定部分有印製板用焊接終端和壓入終端活動部分有不可及絕緣移動終端和壓接終端的屏蔽兩件式連接器詳細規范 -
The working process of the bearing with low speed and high load ( converter trunnion bearing ) is monitored through vibration method and lots of field data are obtained. a industrial micro computer diagnosing system has been constructed for the detection of the defects of trunnion bearings
本文敘述了轉爐耳軸軸承故障診斷的必要性，對低速重載軸承故障的類型和特性進行了分析，採用振動監測法對一種低速重載軸承- -轉爐耳軸軸承的運行進行監測。 -
Frequency sweep flight technique is used to collect the flight data of a model helicopter near its hover and low speed working condition, window frequency spectrum is combined to obtain the frequency response of both lateral and longitudinal channels, then weighted fitting method is utilized to obtain the transfer functions of the two channel
摘要利用掃頻試飛技術獲取了某無人直升機在懸停工作點附近的舵機輸入和直升機動態輸出數據，利用組合窗頻譜分析的方法獲取了直升機橫滾通道與俯仰通道動態的頻率響應特性，利用加權擬合的方法獲取了各自的傳遞函數。 -
At present, there are some shortcomings of lup, such as deficiency of effective management method, low speed of information processing, difficulty of information sharing, backward method of planning etc. so it is necessary to build a lup management information system to enhance the efficiency and ensure the completion and reality of data
在當前，土地利用規劃存在對資料缺乏有效的管理方法、信息處理速度慢、信息難以共享、規劃方法落後等不足之處。而地理信息系統（ gis ）則是解決這一問題的最佳選擇。 -
Connectors for use in d. c., low - frequency analogue and digital high speed data applications - part 2 : circular connectors with assessed quality - sectional specification
直流低頻模擬及高速數據系統用連接器.第2部分:經質量評定的圓形連接器.分規范 -
Connectors with assessed quality, for use in d. c., low - frequency analogue and in digital high speed data applications - rectangular connectors - detail specification for 8 - way, shielded free and fixed connectors for data transmissions with frequencies up to 600 mhz minimum
直流低頻率模擬及數字高速數據系統用的已進行過質量評定的連接器.矩形連接器.最低頻率為不大於600mhz的數據傳輸用8道無屏蔽固定連接器的詳細規范 -
With the development of the 3g wcdma digital cellular mobile communication technologies and quick increase of chinese mobile communication market ' s requirment to multi - media data service, mobile communication technology is developing from providing simple voice service 、 low speed data service to providing the combination of the voice service and the variable band - width multi - media data service. wcdma already has been a 3g communication standard in many country
隨著3gwcdma數字蜂窩通信技術的發展以及中國移動通信市場對多媒體數據業務需求的迅速增長，移動通信技術正從提供簡單的話音業務。低速數據業務向提供話音業務和可變帶寬的多媒體數據業務相結合的方向發展， wcdma已經成為很多國家選用的第三代移動通信的標準。 -
The main research issues consist of following aspects : 1. based on non - real - time ethernet and windows2000, we research how to meet the real - time requirement for hsm working procedure, via using shared data buffer to resolve the conflict between high - speed data acquisition and low - speed data process, then combine hsm features, correctly set priority among processes and threads, and compositively use software and hardware technical
主要內容為: 1 .詳細研究了在採用非實時的以太網（ ethernet ）和windows2000操作系統基礎上，如何通過使用共享數據區緩沖、解決高速數據採集與低速數據處理分析的矛盾，結合熱連軋的工藝特點，合理設置進、線程優先級，綜合運用軟、硬體措施滿足象熱連軋生產過程這樣的快速過程的實時性要求。 -
This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system
本文根據電氣設備絕緣在線監測技術的發展現狀，針對以往在線監測數據採集系統存在的集成度低，不能實現多通路并行采樣，不能實現多通道同時程式控制放大，不能進行同步頻率監測，采樣位數較低，採用外部存儲器方式，對數據進行查詢的訪問方式，安裝調試不靈活等缺點，提出了應用現代微電子技術電子設計自動化（ eda ）技術實現對在線監測數據採集系統的改進。 -
Making use of the powerful capabilities of the pci chip, high - speed data of the dsp platform are transferred both ways at dma mode, and low speed data such as initialization and configuration information are transferred at direct slave mode. this paper shows in detail the workings of pci9054, the configuration of its control register, and the writing of platform driver with api functions provided by the manufacturer
利用pci介面晶元的強大功能，本文提出了採用dma模式雙向傳輸dsp平臺的高速數據，採用從模式傳輸初始化信息及配置信息等低速數據，並詳細介紹了pci9054的工作方式，控制寄存器的配置以及調用廠商提供的api函數編寫平臺驅動程序。 -
With the increasing of mobile phone users and high - speed asymmetrical data service, the second generation mobile communication system ( 2g ) which can only provide symmetrical speech service and low - speed data service ca n ' t meet demand
隨著移動用戶數量的迅猛增長，高速率非對稱的ip型數據業務、多媒體業務的日益劇增，僅限於對稱的語音業務和低速數據業務的第二代移動通信系統（ gsm 、 is - 95cdma ）頻率資源越來越緊張，已不能滿足需要。
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