數據發信率 的英文怎麼說
中文拼音 [shǔjùfāxìnlǜ]
數據發信率
英文
data signaling rate-
And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。Such tags could emit 128 different signals in parallel, allowing the collection of data about an animal ' s breathing rate, wing - beat frequency and heartbeat ( if it were a species that actually has a beating heart ) in addition to its geographical location
佩帶器還可以發射128種不同的信號,這樣除了動物地理位置之外,還可以收集其它分門別類的數據,諸如動物的呼吸、翼擺、心跳頻率(針對有心跳頻率的動物)等等。Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed
發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連,採集模擬量、頻率量及離散量信號等參數,並對採集的數據進行運算、比較與處理,最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning
遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析,在一定成礦理論和數學模型指導下,建立gis綜合找礦模型。在此基礎上,發展這一方法及理論並建立完善的預測體系,不僅對研究程度較低的新區礦床預測有用,而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath
在短波通信中,由於通道的時間色散和頻率色散,引起多徑展寬和多徑衰落,前者限制了數據的傳輸速率,後者造成短波數據通信中出現突發錯誤,為了解決多徑效應對短波通信的影響,本文所做工作如下:首先詳細分析了短波通道的統計特性,建立其數學模型;其次分析了擴頻通信的特點,從理論上證明擴頻技術不僅具有抗多徑干擾能力,而且具有分離多徑的能力;介紹了傳統的rake分集合併技術的特點。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram
通過光功率計對每條光纜中的備用光纖進行實時的監控,測試光功率的衰減值,主控計算機不斷循環的對每個光功率模塊進行數據採集,並記錄每路光信號的光功率衰減值,然後進行分析處理,如發現達到設定的光功率衰減門限值就報警,並控制光開關的切換,將故障光纜中的另一備用光纖與otdr卡連接,通過otdr卡對該光纖進行測試,從而確定故障點。Based on b / c / s pattern and modern information technique, such as data warehouse, active server pages, active data object, and so on, it was achieved that integrating the information and the functions of the document management by the software which has been designed in this study. the software is a convenience, powerful and easy used tool for document managers and engineering designers. moreover, the software has been used for the actual work and obtained the better appraisement
本課題基於b c s結構模式,結合數據倉庫、 asp動態網頁環境和ado介面等技術方法實現了圖檔管理信息和功能的集成,進行了軟體的開發,並在實際工作中得到了較好的應用,為管理人員提供了方便的管理工具,為設計人員提供了靈活、美觀、實用的數據集成化查詢界面,提高了圖檔管理工作的效率。The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering
本文從星載雷達的星地幾何關系入手,舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法,並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體,完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析,最後完成雷達回波信號的模擬。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。This thesis includes the following research contents. first part is about the development of database information system of radar stealth measures about modern advanced aircraft
本文分兩部分,即飛機雷達隱身措施數據庫信息系統的開發和飛機紅外輻射特性計算研究以及紅外導引頭探測概率估算。The tramsission rate exceed to the range of isa bus, moreovcr the pci bus can be competent for the rate request. the card makes use of the total line in pcicontroller, the slice of fifo, fpga and super - speed a data correspondence chip, which can solve the transmission stream and total line in pci connecting problem. and realizes the mpeg - 2 deliver to flow with establish outside delivers
此速率超過了isa總線所能支持的傳送速率,而pci總線能夠勝任這一要求,由此確定節目傳輸流發送卡採用pci總線。此卡利用pci總線控制器、 fifo晶元、 fpga晶元、高速串列數據通信發送晶元,解決傳輸流與pci總線之間的介面問題,實現了mpeg - 2傳輸流與外設的高速數據傳輸。In recent years, wireless communication systems have made a great progress world - wide. the number of mobile subscribers has been increasing rapidly, at the same time, there is more and deeper demands of the mobile subscribers for more sorts of wireless services and higher quality services, thus the demand of the rate data is higher
近年來,無限通信技術在全球范圍內得到了迅速發展,移動通信系統的用戶數目極快地增長,同時用戶對無線服務的質量、業務等方面的要求也越來越高,因而對數據傳輸率的要求也相應提高。This scheme can avoid the emergency of orphan effectively, and gives a good solution when the node isn ’ t available. the protocol we design is named as soptt, which is shorted as “ self - organize protocol of tree topology ”. the layer of application we design can gather and send data, realize the function of data fusion to avoid the potential communication congestion so that the communication will be more effectively
該協議解決了節點路由的建立和重建,還可以根據節點剩餘電能的情況智能選擇簇首節點,並且有效地避免了孤兒節點的產生,對于節點失效的情況也能夠很好處理;在應用層,基於智能樓宇溫度監測應用環境,設計並實現了採集發送數據的程序,使得採集、發送數據的頻率符合應用需要,並且提出了數據融合的思想,以避免可能發生的通信擁塞,同時也達到了通信的高效性。Right now, axcen photonics corp can offer the optical transceivers including gbic, sfp single - mode and multiple - mode optical transceivers for optical data communication, telecommunication, cable tv systems. furthermore, the optical transceivers for long - distance 1000base - lhx and 1000base - zx applications are offered as well. in order to meet the needs of clients, the transmission speed of the optical transceivers ranges from 155mpbs oc - 3, 2. 488gbps oc - 48, fiber channel, gigabit ethernet, fast ethernet, 4x fiber channel, sfp copper
創威光電整合了光機電等專業人才,從半導體雷射的封裝製程,特性量測到整體光收發器的設計與製造皆已完成開發及量產的階段,目前可提供應用於數據通信,電信通訊,有線電視系統及光纖數據迴路等用途的多款光收發器,其產品包括:單模與多模gbic , sfp光收發器及長距離應用於1000base - lhx , 1000base - zx等光收器,就傳輸速率而言,目前創威光電可提供從155mbps oc - 3 , 2 . 488gbps oc - 48 , fiber channel , gigabit ethernet , fast ethernet , 4 x fiber channel , sfp copper等不同速率產品,以迎合顧客需求,另外,本公司亦可配合客戶要求,提供客制化產品設計及製造。In the manufacture of communication equipment, we shall further raise the proportion of homemade products in the newly added fixed switching devices ( 99 % ) ; we shall lay emphasis on the science research for development of equipment of mobile communication and optical communication equipment and try to raise the proportion of independent intellectual property rights so as to make homemade equipment take the leading position in the domestic market and let the market proportion of newly installed equipment exceed 50 % and 30 % ( for the trunk network ) respectively ; we shall basically let the low - end equipment and border equipment of the data communication network be homemade products, and quicken our steps in nationalization of the core equipment ( the backbone atm switchboard and the high - bit routing device ) on the basis of introduction, digestion and assimilation of foreign advanced technology
對于通信設備製造業,將進一步擴大新增固定交換設備國產化的比例( 99 % ) ;將重點加強移動通信和光通信設備的科研開發力度,努力擴大自主知識產權的比例,使國產化設備在國內市場中佔主導地位,新增設備市場佔有率分別超過50 %和30 % (骨幹網)以上;基本實現數據通信網路低端設備和邊緣設備國產化,在引進、消化、吸收國外先進技術的基礎上,加快骨幹核心設備(骨幹atm交換機、高比特路由器)的國產化步伐。Loss of data because a receiving device is unable to accept data at the rate itis transmitted
在數據通信中,由於接收設備不能按數據發送速率接收數據而造成的數據丟失。In order to improve the efficiency of transmission, receiving ts data packet on cpu ' s gpio port and transmitting data on cpu ' s pci port are processed in different priority. to improve the communications efficiency, we adopt the multicast to deliver the digital tv to relevant user
在軟體的具體實現上採用了vxworks的多任務編程思想,為了提高傳輸效率,對在cpu的gpio埠的ts數據包的接收任務和在cpu的pci埠的數據發送任務分為不同的優先級處理,並且為了提高通信效率,我們採用組播的方式傳輸數字電視信號到相應的用戶。The paper explores the ai theories of developing the capp expert system, and fixes on the knowledge representation method of production rules, and the new thought of developing the knowledge base and the inference engine in the es tool clips, and introduces the theoretical knowledge of clips. the pape builds up the knowledge base about the process knowledge, invents the inference engine by the theories of control strategy of forward reasoning and rete pattern matching algorithm, with the result of improving the reliability of knowledge, the quality of inference and the efficiency of the searching. using the dynamic interface mechanism and the compiled dll, the paper embeds the clips program into the vc + + environment and carries out the mixed programming so as to achieve the data communication between the vc + + and clips
論文對開發capp專家系統的人工智慧理論作了比較深入的探討,確定了產生式規則的知識表示方法和用專家系統開發工具clips來開發系統的知識庫和推理機的新思路。在闡述了clips理論知識的基礎上,確定了以產生式規則構建工藝知識庫,以正向推理的控制策略和里德演算法的匹配模式建立推理機,從而提高了知識的可靠性、推理質量與搜索的效率。論文利用windows環境下的動態介面機制,調用已編譯好的動態鏈接庫clips . dll ,把所開發的clips程序嵌入到vc + +中再進行混合編程,實現了vc + +與clips程序的數據通信,成功地構建了capp專家系統。In this thesis, with the research of the hunan telecom data division " s human resource management, we have analyzed the characteristic of the knowledge - based staff, and did research on education level s average ages average work times position structure and the job turn - over rate of hunan telecom data division " s staff. we conducted a survey in hunan telecommunication bureau and found out that the staffs who love their positions, are more willing to innovate, take the responsibility and cooperate with each other, and they do have their own ideas on career development
本文以湖南電信數據專業人員管理為主線,在分析了知識員工特徵的基礎上,運用問卷調查、統計分析等方法,分析了湖南電信數據專業人員在學歷結構、平均年齡、平均從業時間、崗位結構、員工流失率等方面的特徵,以湖南省數據通信局為代表通過問卷調查歸納了其員工熱愛從事的工作、富有創新精神、勇於承擔責任、樂于協調合作和有樸素職業生涯管理意識等心理特徵,進一步從業務發展、企業文化、薪酬設計和員工培訓等幾方面指出了當前人員管理面臨的主要問題。分享友人