高輸出端數 的英文怎麼說

中文拼音 [gāoshūchūduānshǔ]
高輸出端數 英文
high fan out
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
  • : 數副詞(屢次) frequently; repeatedly
  • 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  • 端數 : fan-out
  1. Based on the dsp development board, the author finishes the hardware debug about the multi - channel buffered serial port ( mcbsp ) receiving the output signal from the gps if collector and resolves the software program of the receiving buffer of the multi - channel synchronous serial data, data integration, udp datagram encapsulation and network interface driver, etc. the real - time udp datagram receiving, data frame de - encapsulation and high speed data memory are implemented, and a friend application interface with windows message is developed on the pc

    基於dsp開發板,作者完成了dsp的多通道緩沖串口( mcbsp )接收gps中頻接收機信號的硬體調試,並解決了多通道同步串口據的接收緩沖、據合併、 udp據報裝幀及網路介面驅動等軟體編程。在pc,通過mfc的網路應用開發類casyncsocket實現udp報的實時接收、據解幀譯碼、速存貯,利用windows消息機制開發了應用程序友好界面。
  2. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對字減影血管造影( dsa )成像系統的組成結構和據流向進行了深入研究和分析,並對系統中的據流向進行了完整的歸納和總結,給了x線字成像系統中的速大容量據通道的設計方案;在對sdram的控制方式做了深入探討后,給了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象據進行速存儲;通過對pci總線介面的深入研究,優化後狀態機設計和低層驅動程序開發,給了完整的pci介面方案實現速dma據傳,完全可以滿足視頻傳要求;深入研究了基於大規模可編程器件的字系統設計方法,針對通用fifo使能信號漂移、據難于建立和保持等設計難點,提了利用fpga中的鎖相環提供多個時鐘相移的信號來提系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的速傳
  3. In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively

    模擬實驗表明,本方案能在無噪通道中有效降低編碼器8240位元組的打包開銷和2 . 70kbit的比特以及0 . 33kbps的比特率,而在有噪通道中可使解碼重構視頻圖像的視覺質量得到一定程度的提,亮度分量峰值信噪比可增加近1db 。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程發,推導了ld泵浦nd : yag激光器的閾值、功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提了ld面泵浦nd : yag激光器的設計方法,給了一定泵浦耦合方式下,振蕩光模尺寸、最佳耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合功率ld泵浦nd : yag激光器,對激光器的功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑面位置對激光功率的影響規律,提了ld面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光功率的自然指與泵浦光焦斑的縱向位置成斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提,當面泵浦功率為7 . 24w (最大功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法,序列的周期性得以大大提,理論分析和計算機模擬結果表明,該方法可以產生具有良好統計特性的密鑰流,而且易於軟硬體實現: 2 )實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函的構造方法,即使用logistic混沌映射產生混沌二值序列,序列的分組與明文序列分組進行按位異或后,進入rijndael加密模塊,所得的結果再加入到反饋,參與下一分組入的異或運算,迭代結束時的rijndael加密結果即為所求的hash函值。
  6. And the fuzzy control technology has been studied that reduce the stator terminal voltage to achieve higher power factor through testing power factor and using certain rules. the asynchronous motor intelligence operating control system plan design has been completed. simulation design and simulation experiment of the system has been carried on, and the simulation result indicated this intelligence control system has achieved the anticipated effect

    在分析電機功率因角的變化規律及功率因角對晶閘管電壓的影響的基礎上,提了異步電動機在輕載或空載運行時通過檢測功率因並經過一定規則降低定子電壓來達到提功率因目的的模糊控制方法,完成了異步電動機節能運行控制系統的軟硬體設計,並進行了系統的模擬研究與實驗研究。
  7. The mathematic models of sampling and reconstruction are analysed respectively, and an important conclusion is got, that oversampling can decrease high frequence distortion of d / a output signal and the difficulty of designing lowpass filter. as a result the signal quality is improved

    分析了采樣和重構的學模型,得了一個重要結論:過采樣可以減少d / a信號的衰減失真,可以降低低通濾波器的設計難度,從而提波形質量。
  8. This product is a full electron construction in which its front - end adopts pressure sensor with baffle filled oil chip. output signal is sent the data to microprocessor from high - precision, low temperature drift and high - reliability amplification circuit and a d convert circuit, after operating, to transform by high - precision d a convert circuit into standard signal output

    該產品為全電子結構,前採用帶隔離膜充油芯體的壓力傳感器,信號由精度低溫漂和可靠性的放大電路和模轉換電路將據送入微處理器,經運算後由精度模轉換電路變換為標準信號
  9. The simulation results show that the power factor and efficiency of lim are much lower than that of rotary induction motor due to end effect and big air gap of lim. end effect force has a great influence on the thrust of lim. the performance of lim can be improved with the proper secondary structure, small air gap, big goodness factor or heavy load

    結果表明:受邊效應及大氣隙影響,直線感應電機功率因及效率較低;運行狀態下的邊效應力對電機推力有較大影響;設計電機時選用合適的次級材料、減小氣隙、增大品質因、增加負載都可提升電機的性能,通過設計有效的控制演算法可使電機在額定滑差下具有較的運行效率。
  10. From computer directly, the device can get data from two specifically wav files which have double channels of data, and whose sample rate are 44100, and whose resolution are 16. then it makes digital signals convert into anolog signals and amplify them at the same time. at last, according to actual need, it can supply continuous anolog audio output of enough power and high fidelity at different speed

    該設備可以直接從計算機獲取兩個雙聲道、 16位解析度、 44100hz采樣率的wav ( waveform )聲音文件的據,並同時將兩個聲音文件的據進行模轉換和信號放大,最終以能滿足實際生產需求的較速率連續地具有足夠驅動能力和保真度的模擬信號,為終速磁帶復錄子機提供穩定可靠的音源。
  11. The current in the dac ’ s output can drive the load, and the structure can save a buffer consisted of operational amplifier, so the structure can achieve high speed with no close - loop and feedback in this circuit

    該10位分段式電流舵型模轉換器的可直接用電流來驅動負載阻抗,省去運算放大器構成的緩沖,整個電路中沒有形成閉環和反饋,因此這種電路結構可以達到很的速度。
  12. Simulation has shown that the proposed scheme can achieve more accurately in similarity examination than scheme which proposed by [ 102 ]. so the bit number of coded video stream was decreased about 22. 95 percent and thus the compression ratio was improved. although the coding cost was increased about 8. 25 percent by using proposed scheme

    模擬實驗表明,與文獻[ 102 ]方案相比,提的方案雖然增加了約8 . 25的編碼器編碼耗時,卻有效提了對視頻序列突變幀的檢測精度,從而進一步降低編碼器編碼視頻流的比特達22 . 95左右,在基本不影響重構視頻信息視覺質量的同時提了編碼器的壓縮效率。
  13. 3. aiming at the advanced cardio device, the key problem of data transportation with high speed and multi - port 、 wave display of high speed and multi - display are analyzed and corresponding solutions are presented

    3 .針對的心電信號處理設備,對其中的技術難點:速多埠據傳走速波形滾屏顯示、多顯示器獨立顯示等關鍵問題進行了詳盡的分析並給了對應的解決方案和程序實現。
  14. The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection

    設計目的是使電路作為電子鎮流器的前變換器可以驅動耐壓為500v ,最大工作電流為1a的橫向功率mos ,對整流電路的直流電壓進行穩壓,並實現過壓、欠壓保護,提用電效率,經過理論分析使經校正後的功率因達到0 . 95以上。
  15. Secondly the present fault location on hv transmission network has been commented on. tree fault location methods based on the power frequency fault data of two - terminal are proposed

    本文其次對現有電線路故障定位方法進行了綜合評述,在此基礎上提了三種基於雙據的工頻故障測距演算法。
  16. This novel transmit diversity technique, which combines channel coding, modulation and signal processing at receive terminal, can make full use of the fading multi - path in the wireless communication systems so as to mitigate the signal attenuation. this technique is mainly designed to combat channel fading in downlink transmission by combining the technique of channel coding and that of array diversity, hence increasing the capacity of wireless communications systems and giving diversity gain and coding gain to them

    基於多( mimo )的空時編碼技術是實現未來帶寬資源日益緊張的速無線據通信系統的重要技術,它結合了通道編碼、調制和接收的信號處理,能夠充分利用無線通信通道中多散射體環境所造成的多徑,從而提供信號的抗衰落性能。
  17. The specific route is as follows : firstly, the output signals from the multipath sensor are nornalized, i. e., all sensor signals ( including the analog data ) are transformed into multipath square wave pulse signals to form multipath parallel condition codes. these codes are treated as input signals for dac to obtain a series of dispersed analog signals for output as input signals for the vco. finally, a high frequency modulation signal is conducted at the vco ' s output

    具體技術路線如下:先將由多路傳感器的信號進行歸一化處理,即將所有傳感器信號(包括模擬量)轉換成多路方波脈沖信號,以形成多位并行信號的狀態碼,將其作為dac的入信號,從而得到一系列離散的模擬信號,作為vco的入信號,最終在vco形成頻的調制信號。
  18. The main research contents are as follovvs : after the analyzing of the process of making train diagram, according with its character, and take into account the trend of innovation, chooses the total solution based on the b / s architecture, 3 - tier operation distributed and 2 - tier data distributed to separate the data from operation and simplify the development and maintenance ; the e - r data model that is accord with the 3nf criterion is designed after analyzing the data structure of the train diagram system. emphasis on the permission security of the distributed system, take the view schema, coupled with the login authentication and permissions validation, to ensure the data accessing domination, and take the synchronization, error control, and restore capability to advance the data security ; on the basis of b / s solution architecture, after comparing the existing transportation technologies, b - isdn and adsl is selected as the major solution architecture based on the package - svvitched networks. furthermore, error control, firewall, and encryption techniques are introduced to prevent the hacker attack and ensure the networks safety

    論文的主要研究內容包括:對目前我國列車運行圖管理體制和編制流程進行詳細分析,根據其「幾上幾下」的特點,並結合未來「網運分離」體制改革的變化預測,選擇採用與之相適應的基於b s體系架構、三層業務分佈、二層據分佈的整體方案,實現業務與據的分離,降低開發與應用過程的復雜度和總體成本;對列車運行圖系統的據信息進行分析,設計符合3nf規范的據e - r關系模型,並著重研究處于分散式系統中的列車運行圖據信息的訪問權限和據安全問題,提以視圖模式結合用戶識別權限審定實現據權限劃分,以並發處理、容錯技術、恢復技術提系統的據安全性;在基於b s架構的系統整體方案基礎上,對當前多種據傳技術進行分析比較,採用b - isdn為主幹網、 adsl為接入的基於公用據網路分組交換技術的系統網路體系結構,並針對網路自身安全性和黑客攻擊與侵入問題,詳細討論綜合採用差錯控制、防火墻、據加密解密等技術手段提系統的網路安全性能。
  19. We use rogowski coil as the sensor that mounted on high voltage power line. after converting rogowski coil ' s analog signal to digital signal, we transmit the digital signal to low voltage part through pof where we resume the analog signal and finish the tasks of measurement

    採用rogowski線圈作為壓電力線上的傳感頭,將rogowski線圈的字化后,通過光纖傳送到低壓恢復成原來的模擬信號,實現對壓電力母線電流的測量。
  20. Second, at the multiplexers there must be additional schemes to reconstruct the original packet from the cells. and the delay time of the last cell of the packet will greatly influence that of the original packet. we propose the de - multiplexer and the multiplexer algorithms in the architecture of parallel packet switches ( pps ) which support the variable - length packet switching

    文章給了一種多平面交換的分發演算法,支持變長據包的分發,同時也給復接的演算法,可以進一步減少據包的時延,提多平面交換的效率。
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