正電平 的英文怎麼說
中文拼音 [zhēngdiànpíng]
正電平
英文
positive level-
Multi - level quadrature amplitude modulation
多電平正交調幅All positively charged species in solution must be balanced by equivalent numbers of negatively charged species.
溶液中所有帶正電荷物質必須被等量的帶負電荷物質所平衡。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。This is not a malfunction. in this case, lower the volume level and wait for a few moments until the unit resumes normal operation
這並非故障。此時,請調小音量電平並等候片刻至機器恢復正常的操作。Pdmaema can be cross - linked by quaternization to develop a positively charged dense network structure. according this mechanism, pdmaema / psf positively charged nanofiltration membrane was developed by interfacial polymerization using psf plate macrofiltration membrane as support layer, pre - polymer of pdmaema water solution as coating solution, p - xylylene dichloride / heptane as cross - linking agent
根據這一機理,以psf平板微孔膜為基膜, pdmaema預聚物水溶液為塗層液,以對二氯芐正庚烷溶液為交聯劑,採用界面聚合法制備了pdmaema psf荷正電復合納濾膜。One forward optical transmitter module takes one slot, inside power double - amplification, low driving level 80dbuv, output optical power 4 20mw
一個正向光發射模塊佔有一個槽位,內置功率倍增驅動放大。驅動電平低80dbuv ,輸出光功率420mwThis thesis will study several key aspects of the flat distribution channel pattern of founder pc and its management such as dealers selection, marketing promotion, inspection & evaluation, conflict management, control of distribution channel, performance evaluation and storefront management, as well as logistics management and information system management that ensure the distribution efficiency. on the basis of the swot analysis of founder pc and its rivals, changes in
本文由電腦行業分銷渠道及其管理入手,深入研究了方正電腦「扁平化」分銷渠道模式及其管理,對方正電腦分銷商的選擇、激勵、監測與評估,分銷渠道沖突管理、控制,分銷渠道運行績效評估進行了專門研究;本論文還研究了保障方正電腦分銷渠道高效、暢通的物流和信息流管理。The basic calibration of a rf signal generator normally includes tests on output level accuracy, level flatness, and frequency accuracy
射頻信號發生器的基本校正工作一般包括測試輸出電平準確度、電平不平坦度及頻率準確度。The calibration of a spectrum analyser normally includes checks on frequency accuracy, level flatness, level linearity, input attenuation and calibration reference output
頻譜分析器的校正工作一般包括檢查頻率準確度、功率電平不平坦度、標度線性、輸入衰減及參考輸出值的校正。One forward optical receiver module takes one slot, after power double - amplification inside, send out 1 way rf signal 104dbuv and 1 way level checking signal, or two - distribution output
一個正向光接收器模塊佔一個槽位,內置功率倍增放大,輸出1路射頻信號104dbuv和1路電平檢測口,或二分配輸出For proper operation the forward and reverse direction-control inputs must always be complementary.
要使計數器正常工作,正向和逆向控制輸入電平必須始終相反。Combined with development of the products, the research emphasis in this paper is focus on the studies of the high - rate discharging performance at different temperature. 1. in the research of the discharge performance with high rate, the results of different effects including thickness of positive electrode, materials of hydrogen storage alloy, concentration of the electrolyte and separators
論文在實現研究目標的過程中,結合產品的研製,重點對電池的高倍率放電性能和溫度性能進行了研究:一、在提高電池大電流放電性能的研究中,比較了不同正極板厚度、不同貯氫合金材料、不同濃度電解液及不同材料隔膜等對電池大電流放電平臺的影響,並從電極反應動力學和多孔電極的角度分析了極板厚度對電池高倍率放電的影響。To the study and practice of this subject, the author take two years in shanghai xinhai customs declaration co. ltd. to practise. the first year ( 2001 ) we establish data base, and all datas of declaration course are put into computer ; the second years ( 2002 ) we use aboved datas to evaluate the performance of every department of shanghai xinhai customs declaration co. ltd. the result is approbated by every departments, all of us think it justness and justice, and it can reflect the problems and achievements that exist in every departments. this technology is affirmed by shanghai customs, and is extended in declaration corporations and the other relatively corporations
作者用了兩年的時間在上海欣海報關有限公司對該課題進行了研究和實施,第一年( 2001年)是在全公司建立數據庫,將報關過程中的所有數據輸入電腦;第二年( 2002年)則利用上述數據對上海欣海報關有限公司各部門的績效成績進行評估,得出的績效結果得到了各部門的認可,大家認為比較公正、公平,比較準確地反映出部門的實際績效,也比較客觀的反映出部門中存在的問題和成績。8 test1 i low : for normal operation high : test mode
測試0口,輸入低電平:正常工作;高電平為測試模式In this paper, the emphasis is the application of the fdtd arithmetic in slot ' s scattering. this method modifies incidence wave and the reflected wave from conducted plane, and that result in the fdtd scattering formulations are only about the scattering field of slot
論文重點研究了fdtd演算法在無限大導電平面上縫隙的散射計算中的應用,該演算法對入射波和平面反射波進行了處理和修正,最終,在fdtd散射公式中只計算縫隙的散射。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。Too much cnts contributed no effect in the improvement of overall performance of the batteries. the batteries with nano - scale coo shows better active properties, the addition of nano - scale coo further the conductivity of the nickel electrode, thus lower the internal resistance of the batteries, higher discharge voltages are achieved accordingly. for the formation of the better conductive net of coooh, the effectivity of discharge rise, that contributes positive effect to the high rate capability of the batteries
浙江人學碩十學位論文摘要正極添迦納米coo的ni / mh電池具有較好的活化性能,納米coo更好地增強了鎳正極的導電性,進一步減小了電池的內阻;正極添迦納米coo的ni / mh電池還具有較高的放電平臺;由於納米coo的納米結構,以及相對于普通c00更大的比表面積,會在堿液中溶解形成更均勻緻密的co0oh導電網路,從而提高了放電效率,對電池的高倍率性能也有積極的影響。The multi - level ( ml ) converter has the advantages such as low voltage stress for power devices, smaller output filters and reduced harmonic content of the output voltage, it is very suitable for high voltage and high power conversion applications
多電平變換器具有電壓應力低、輸出濾波器小及輸出電壓諧波含量小等優點,特別適合於高電壓大功率的應用場合,近年來正受到越來越多的關注。According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier
同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓,同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。This voltage will be negative if the line is idle and alternate between that negative level and a positive level when data is sent with a magnitude of 5 to 15 volts
譯為: 「該引腳的電平,如果在總線空閑狀態,其電壓為負,而在數據發送狀態,其電平則在5 15伏的正電平和負電平之間變化。 」 ?分享友人