直接傳輸系數 的英文怎麼說

中文拼音 [zhíjiēzhuànshūshǔ]
直接傳輸系數 英文
direct transmission factor
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 直接 : direct; immediate
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. This paper discusses the designing and making of the dynamic testing systems of engine electronic control system. base on the construction and operation principle of santana 2000gsi m3. 8. 2 engine electronic control systems, design and manufacture led circuit of dynamic testing and fault imitating electronic control unit. on the inspect board, design and equip with motronic 3. 8. 2 ecu i / o measuring joints, design and set up obd - ii diagnostic communication link, design and install fuel pressure inspecting meter. depend on the obd - ii diagnostic communication link and ecu i / o measuring joints, this dynamic testing system can inspect engine electronic fuel injection system, distributorless ignition system, idle speed control system and evaporative emission control system, and can inspect m3. 8. 2 sensors, ecu and actuators, and can interrogate fault memory and erase fault memory ; and can analyse data stream ; and can carry out fault imitating. besides, this paper analyses sensors and actuators typical fault w aves

    2電控單元電路連器設計製成出電子控制檢測端子,並在檢測面板上布置了obd -診斷插座和燃油壓力表。使該動態測試統能實現對電噴發動機的燃油統、點火統、怠速控制統和燃油蒸氣排放控制統的動態檢測;並通過obd -診斷座、 ecu出檢測端子和故障模擬處理單元實現對電噴發動機電控統各感器、電控單元、執行器進行故障碼讀取與清除;動態據讀取和波形測試和故障模擬等。此外,本論文還分析了感器和執行器典型故障波形。
  2. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其的表達式;探索了和反演有關的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可受的精度。
  3. This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass, in certain condition, it can be also used in bevel cuttig, bevel grinding and polishing for soft stone panel. the contrilling system adopts plc, it can accomplish automatic grinding cutting after entering processing parameter, convery speed adopts speed adjustment of fre quency conversion, direct drive of wheel head motor, all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally. the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning, and position limitation of two pass is much more reliable

    Sxm371pa型玻璃線斜邊磨邊機是用於玻璃線斜邊斜切,斜磨及光拋的專用設備,在一定條件下也可以用於軟石板材的斜切斜磨及拋光。控制統採用plc控制。入加工參后可自動完成磨削送速度採用變頻調速,磨頭電機動,所有加工參調整運動副全部採用線滾動導軌,前梁與磨頭整體升降,送採用同步形帶,光電開光定位,雙行程限位更安全可靠。
  4. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的特性和字調制技術進行分析的基礎上,將通信理論中的序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後收信號的頻譜進行分析,驗證dsss技術在本統中的可行性; ( 2 )由dsss技術對濾波統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信統,並採用atmel公司的單片機設計了收和發射電路的微控制器; ( 4 )分別對採取抗干擾措施前後入和出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  5. The data exchange technology is studied and the data exchange interface is provided in our own engraving system. aiming at the shortage of complex engraving picture, slender flower - veins, the long machining code, and out of ems memory of numerical control system, we develop a series of dnc subsystem which realizes the on - line transmission machining of engraving parts

    據轉換技術進行了研究,在雕刻統中提供了據轉換介面,針對雕刻圖案復雜,花紋細,生成的加工代碼長,以及統內存小的問題,開發了一個計算機控( dnc )子統,實現雕刻零件的在線加工。
  6. Data traffic is one of the most important components of the control of the propulsion system of naval vessels, and the speed, reliability and security of it is related with the effect and efficiency of the control system. the research on it is important

    是電力推進統的集中控制中重要的組成部分之一,它的速度、可靠性和安全性影響著集中控制的控制效果和效率,對其進行研究是很有必要和現實的意義。
  7. Electrical and mechanical interface characteristics and line control protocol using communication control characters for serial data link between a direct numerical control system and numerical control equipment employing asynchronous full duplex transmission

    電子和機械界面特性和在字控制統與用同步完全雙向字控制設備之間的據鏈的通信控制字元的線路控制協議
  8. To improve the transmitting characteristic and decrease the output work has a direct effect on the enhancement of the operating property and life - span of the operating mechanism of vacuum circuit breakes. based on the characteristics of polynomial rule of the cam movement, considering the pressure angle of cam device, an optimization model is established, with the coefficients of polynomial rule of cam movement as the optimizing variable, and the minimum output work of the mechanism as the object function. with the optimization tool box of matlab, the optimization process is conveniently completed and the perfect result of optimization design is obtained

    改善真空斷路器操動機構的動運動特性,減小真空斷路器的操作出功,對提高真空斷路器的操作使用性能及壽命都具有的影響.利用凸輪機構的多項式運動規律的特點,以凸輪多項式運動規律的多項式為優化變量,以斷路器操動機構最小的出功為目標函,考慮操動機構合分閘時凸輪機構動壓力角的情況,建立了彈簧操動機構中凸輪機構的優化學模型,並利用matlab語言的優化工具箱方便地實現了優化過程,得到了較理想的優化設計結果
  9. Based on the analysis of vhf - rc, the method of applying chaos direct sequence spread spectrum communication ( cds - ssc ) to ahts has been studied and discussed in this thesis. in this method, cds - ssc, which combines chaos sequences ( cs ) of high rand quality with ds - ss excelling in resisting interferences, is used to realize the transmission of hydrologic data

    文中所述方法利用混沌擴頻通信的通信方式來實現水文據的,即將隨機性能較強的混沌序列作為擴頻碼與抗干擾性較強的擴頻通信相結合,應用於水文自動測報統中去。
  10. Secondly, this paper analyses data - delivering method, data - transmitting format and fault - control technology, studies and picks out direct sequence spread spectrum, accessing point network topology and the ieee802. 11b network rule, on the basis of which the harbor wireless communication system model is established. each composing part of the system ' s model is given out. the choice of hardware equipments and the design of communication software are expounded

    其次,本文對通信技術中的送方式、形式和差錯控制技術進行了分析,研究了港口無線通信統中的方式、拓撲結構和網路標準等關鍵技術,選取序擴頻方式、入型拓撲結構和ieee802 . 11b網路標準作為港口無線通信統的技術基礎,建立了港口無線通信統模型,闡述了該模型的實現方法,包括硬體設備選擇和通信軟體設計。
  11. Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate

    Socket ( )函實現創建、初始化服務元套字,初始化服務元及服務元序列等。 bind ( )函為套字綁定本地地址和埠號。 connect ( )和accept ( )函主要是根據用戶要求預留帶寬,將用戶的建立虛電路請求轉達給服務元網路體,協作服務元網路體採用捎帶據的三次握手協議建立虛電路,並告訴用戶處理結果,一方面,捎帶據的三次握手協議在一定程度上可提高速度;另一方面,採用虛電路方式,使得據通信可根據虛電路號查找相應的通信進程,而且據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號,提高了速率。
  12. 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

    流低頻率模擬及字高速統用的已進行過質量評定的連器.矩形連器.最低頻率為不大於600mhz的用8道無屏蔽固定連器的詳細規范
  13. 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 two - part connectors with shielding and a basic grid of 2, 5 mm - cable to board connectors, shielded against emc, grid 2, 5 mm, for high speed data rates, for use with printed boards

    經過質量評定的流低頻模擬及字高速統用連器.印製電路板連器.帶屏蔽和2 . 5mm基柵的兩件式連器詳細規范.同印製板一起使用的高速率emc屏蔽防護和2 . 5mm柵格的電路板連器電纜
  14. The concept of otn node transmission model is introduced. the requirement of otn node transmission model is discussed. this model uses the frequency domain transmission matrix to express the otn node transport characteristics. the simplified model based on wdm and im - dd systems, the relationship between node characteristics and model parameters and measurement of model parameters are also discussed. at last a briefly discussion on how to develop the otn simulation and cad software based on our model is demonstrated

    在線性時不變的假設下,提出利用頻域矩陣來表示節點特性的方法給出了oxc和oadm兩類光送網節點的統一的表示根據目前通用的波分復用強度調制檢波統的特點對復雜的頻域矩陣進行了簡化並對通常所關心的節點主要性能指標與模型參的關模型參的測量和計算模型的設計與計算機模擬輔助設計軟體開發的銜問題進行了討論。
  15. This product is widely used in the city and country cable network, the data and graph transfer system, the catv wired tv series, the direct and branch connection of the indoor cable, which acts as pigtail storage and connector protection. it is made of coldrolled steel sheets by electrostatic plastic spraying, and has proper tructure and neatly - looking. we can fix the cable by strengthening core in the terminal box, and its ports can be replaced according to the practical engineering requirements. the panel of this product, on which adapter is installed can be replaced optionally by fc, sc, st, lc, and it is also suitable for both ribbon optical fiber cable and common optical fiber cable

    廣泛應用於市話農話網路據圖象統, catv有線電視列,用於室內光纜的通邊和分支續,起到尾纖盤儲和保護頭的作用,採用冷軋鋼板靜電噴塑製成,設計結構合理,美觀大方可將光纜加強芯固定在終端盒內,其埠可根據工程實際需要隨意更換,本產品裝適配器的面板可隨意更換為fc sc st lc同時適用於帶狀光纜和普通光纜。
  16. This product is widely used in the city and country cable network, the data and graph transfer system, the catv wired tv series, the direct and branch connection of the indoor cable, which acts as pigtail storage and connector protection. it is made of coldrolled steel sheets by electrostatic plastic spraying, and has proper structure and neatly - looking. we can fix the cable by strengthening core in the terminal box, and its ports can be replaced according to the practical enginee - ring requirements. the panel of this product, on which adapter is installed can be replaced optionally by fc, sc, st, lc, and it is also

    廣泛應用於市話農話網路據圖象統, catv有線電視列,用於室內光纜的通邊和分支續,起到尾纖盤儲和保護頭的作用,採用冷軋鋼板靜電噴塑製成,設計結構合理,美觀大方可將光纜加強芯固定在終端盒內,其埠可根據工程實際需要隨意更換,本產品裝適配器的面板可隨意更換為fc sc st lc同時適用於帶狀光纜和普通光纜。
  17. We can fix the cable by strengthening core in the terminal box, and its ports can be replaced according to the practical engineering requirements. the panel of this product, on which adapter is installed can be replaced optionally by fc, sc, st, lc, and it is also suitable for both ribbon optical fiber cable and common optical fiber cable

    廣泛應用於市話農話網路據圖象統, catv有線電視列,用於室內光纜的通邊和分支續,起到尾纖盤儲和保護頭的作用,採用冷軋鋼板靜電噴塑製成,設計結構合理,美觀大方可將光纜加強芯固定在終端盒內,其埠可根據工程實際需要隨意更換,本產品裝適配器的面板可隨意更換為fc sc st lc同時適用於帶狀光纜和普通光纜。
  18. This product is widely used in the city and country cable network, the data and graph transfer system, the catv wired tv series, the direct and branch connection of the indoor cable, which acts as pigtail storage and connector protection. it is made of coldrolled steel sheets by electrostatic plastic spraying, and has proper structure and neatly - looking. we can fix the cable by strengthening core in the terminal box, and its ports can be replaced according to the practical enginee - ring requirements

    廣泛應用於市話農話網路據圖象統, catv有線電視列,用於室內光纜的通邊和分支續,起到尾纖盤儲和保護頭的作用,採用冷軋鋼板靜電噴塑製成,設計結構合理,美觀大方可將光纜加強芯固定在終端盒內,其埠可根據工程實際需要隨意更換,本產品裝適配器的面板可隨意更換為fc sc st lc同時適用於帶狀光纜和普通光纜。
  19. This product is widely used in the city and country cable network, the data and graph transfer system, the catv wired tv series, the direct and branch connection of the indoor cable, which acts as pigtail storage and connector protection. it is made of coldrolled steel sheets by electrostatic plastic spraying, and has proper structure and neatly - looking

    廣泛應用於市話農話網路據圖象統, catv有線電視列,用於室內光纜的通邊和分支續,起到尾纖盤儲和保護頭的作用,採用冷軋鋼板靜電噴塑製成,設計結構合理,美觀大方可將光纜加強芯固定在終端盒內,其埠可根據工程實際需要隨意更換,本產品裝適配器的面板可隨意更換為fc sc st lc同時適用於帶狀光纜和普通光纜。
  20. The technology of direct sequence spread spectrum / code division multipul access ( dsss / cdma ) are applied in the broadband code division multiplex wireless communication systems, which means transmitting data at the rate of 2. 048mbps using four e1 lines within the band of 20mhz. in this paper, the theory of the whole debice is first analysized specified for the system asic design and optimizing its performance

    寬帶碼分復用無線統是採用序列擴頻/碼分多址( dsss / cdma )技術,在20mhz頻帶內實現四路2 . 048mbps的e1鏈路據速率的無線。本文首先分析了整個設備實現原理,針對統asic設計和優化整機集成性能出發,提出並實現了基於fpga控制pm4314e1晶元的介面模塊完成對e1鏈路信號的監控和告警功能的改進方案。
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