輸出級聯 的英文怎麼說

中文拼音 [shūchūlián]
輸出級聯 英文
output cascade
  • : 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 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : Ⅰ動詞(聯結; 聯合) unite; join Ⅱ名詞(對聯) antithetical couplet
  • 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 ...
  1. In the circuit, using the way of step - by - step magnify, a normal sine wave signal through former circuit export for the next circuit, and this signal that have been magnified push the next step. the main magnify circuit use the method of high power dynatron that is parallel connection

    在迴路中採用逐放大的方法,將一個標準的正弦波信號通過前放大,給后,推動后放大迴路,主要的功率放大迴路中採用大功率三極體並實現功率放大
  2. The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved

    4 、分析了fmzi型interleaver濾波器的工作原理,其光譜曲線為類餘弦函數;採用fmzi方案,實現了interleaver濾波器的光譜平頂光譜;最後,基於偏振光干涉和多光束干涉原理,分析了bgti型interleaver濾波器工作原理,模擬了g - t腔部分反射系數r與光譜的關系,獲得了50ghzbgti型interleaver濾波器平頂化光譜。
  3. 3. the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented. a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference, we get the flattop spectrum

    3 、分析了pbi型interleaver濾波器的基本原理,給了一種pbi型interleaver濾波器結構;設計了50ghz光學梳狀濾波器,實驗得到了該器件兩組交錯分波類餘弦光譜;採用不同光程差的晶體方案,實現了光譜平頂化。
  4. The differential transformer secondary windings are connected in subtractive series so that the output is zero at balance.

    差功變壓器的次線圈接成反向串,以便在平衡時為零。
  5. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的關系,並在此關系的基礎上研究了油田及採油廠兩的開發動態指標預測,同時利用最優化原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題) ;產量分配優化模型(將油田的產量最優地分配到各採油廠)以及油田綜合開發規劃模型。
  6. The main design procedure involves the use of a feasible approximation method to establish a finite - dimensional and interconnected nonlinear dynamics, and then utilize the cascaded nonlinear feedback design for achieving uniform output regulation

    主要設計方式擬先採用可行近似方法建立一有限次元及內都串的非線性動態,接著利用串非線性回饋控制設計使得均一能規則化。
  7. Powerformer is a new high voltage generator , which use xlpe cable as stator winding instead of rectangular conductor bars , thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact

    Powerformer是一種新型的高壓發電機,它採用電纜代替矩形導體作為定子繞組,從而克服了矩形導體電場分佈不均勻,特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的電壓等不能高於36kv的缺點,使其能夠直接和配電網相,這樣就不需要升壓變壓器,同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。
  8. The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence

    在此基礎上,論文提了基於位相編碼振幅調制的畸變不變多目標識別合變換相關技術,即通過改變隨機位相模板的調制因子的大小來改善相關的性能,一步消除了共軛相關項、入待識別圖像之間的互相關項,並大大降低了零相關峰的能量和寬度。
  9. As the step of the color tv ( the second generation ) to the digital tv ( the third generation ) is larger and larger, the research of digital television terrestrial broadcasting ( dttb ) become more and more important in china, we are concentrating on the standard of dttb which is suit for our country after describing and analyzing the technical stipulation and speciality of dttb, this paper compares atsc 8 - vsb with dvb - t cofdm and isdb - t bst - ofdmo the emphasis of this article lies in the technical solution about transferring system, channel coding is important component of dttb, which can resist from the bad circumstances o because of lots of varieties and different performance, channel coding become one of the emphasis of the research work this paper analyzes and researches the theory and performance of the different channel coding particularly, points out an effective theoretic analysis method and computer demo of performance comparison a theoretical method for estimating the performance of concatenated codes is proposed in this paperc this is achieved by combining the performance of single level coding rayleigh fading channel and the character of channel modulation it may be useful to research and development of the future digital television terrestrial broadcasting standard of our country

    通道糾錯編碼是數字電視地面廣播傳系統的重要組成部分,是抵禦地面惡劣環境的有效手段。由於通道編碼的種類繁多,性能各異,因此是目前研究工作的重點之一。本文詳細分析和研究了幾種通道糾錯編碼的原理和性能,並針對外碼內碼糾錯結合地面通道瑞利衰落提了一種有效的理論分析方法和性能的計算機比較演示方案,總結了不同方案的性能特點,對於我國目前的數字電視地面廣播標準的研究和通道糾錯方案的確立及其參數選擇具有一定的參考價值。
  10. Based on our theoretical predictions, we find optimal splicing parameters on fsm - 30s fiber splicer for low loss joints between erbium doped fiber and other single mode fibers. we also experimentally demonstrate a novel three - stage erbium - doped fiber amplifier with high gain, low noise figure, and high output power. finally, a prototype of a gain - clamped fiber amplifier is obtained with high gain ( 26 db ), low noise figure ( 5. 3 db ), high output power ( 17 dbm ), and large bandwidth ( 31 nm )

    文章研究了摻鉺光纖( edf )與其他光纖低損耗焊接問題,得到光纖熔接機低損耗熔接的最佳參數,這對摻鉺光纖放大器的科研生產具有一定的指導意義;研究了新型的三段泵浦優配的摻鉺光纖放大器的優化光路結構,得到高增益,低噪聲,大功率的摻鉺光纖放大器;最後研製成功高增益( 26db ) ,低噪聲( 5 . 3db ) ,大功率( 17dbm ) ,寬帶( 31nm )增益箝制摻鉺光纖放大器樣機。
  11. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳器ccii入手,重點研究了以下幾種改進型的第二代電流傳器:改進的差動差分電流傳器mddccii 、全平衡第二代電流傳器fbccii 、多四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用設計、運算模擬(信號流圖法)和反饋設計(跳耦法) 。
  12. The appearance position of hot - image satisfied the rule of z2 = z1 - lv, z2 is mean the image distance, z1 is mean the object distance, and lv is mean the distance between the nonlinear medium. the theory is also validated by the optical propagation software. if n = 1, then the nonlinear medium is only one, lv = 0, and it will satisfy the rule z2 = z1

    四、從非線性近軸波動方程基礎上用散射矩陣理論推導了介質的熱像規律,得介質的熱像位置滿足z2 = z1 - lv ,其中z2為像距, z1為物距, lv為介質間的距離,並用光傳軟體得到了驗證;發現的非線性介質可以看成單一的非線性介質相連,散射點對介質的每一段非線性介質成像;當只有一段非線性介質時,可以認為lv為零,滿足z2 = z1 。
  13. The study showed that under contain load and input speed, the output speed of the coupling could be controlled by modulating the strength of the applied dc field, which provides a new control means for continuous speed modulating of a transmission system

    實驗表明,在確定負載和入速度下,可以通過調節直流電場控制軸器的速度。這為傳動系統的無調速提供了一種新的更簡便的手段。
  14. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計時,為了使入共模電壓范圍達到軌至軌,不是採用傳統的差動入結構,而是採用了nmos管和pmos管並的互補差動入對結構,並採用成比例的電流鏡技術實現了跨導的恆定;在中間增益設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在設計時,為了提高效率,採用了推挽共源放大器作為電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  15. By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm

    在以往隧道大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提的隧道思想,成功研製基於ingaas gaas algaas材料的高性能大功率隧道950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大光功率可達2w以上,閾值電流最低達120ma 。
  16. Based on the modularized asi, cascade inverter topology structure and modulation mode is introduced in this paper. comparing with several control strategies such as single closed - loop feedback and dual close - loop instantaneous value feedback, the voltage - current dual closed - loop control strategy, which is the voltage effective value feedback and inductance current instantaneous value feedback, is adopted

    針對逆變器討論其pwm調制技術,在比較幾種pwm調制技術的基礎上,對該逆變器採用倍頻載波移相調制技術,其不含載波諧波,邊頻諧波次數比二階和三階調制的邊頻諧波次數提高一倍,等效開關頻率也提高一倍。
  17. The statistical characteristic of extrinsic information from component decoders is discussed. based on it, ? it is explained that the related curves of input - output snr could be used to measure the performance and convergence of iterative decoding ; ? two types of turbo iterative stopping criteria are designed ; ? the methods to updating snr estimation in the process of iterative decoding is provided ; ? a way to implement synchronization of carrier phase by serial concatenation scheme is devised

    在分析迭代譯碼外部信息的統計特性基礎上?考察了迭代譯碼器snr關系曲線,並說明它可以作為衡量迭代譯碼性能和收斂性的工具; ?設計了兩類新的turbo迭代譯碼停止準則; ?提了在迭代譯碼過程中更新snr估計的方法;國防科學技術大學研究生院學位論文設計了利用外部信息統計量實現載波相位同步的串列方案。
  18. The work mechanism of the novel laser is introduced, and the math expression of efficiency is given, and the lasing mode and the distribution of the optical field are simulated. it proves that for the novel laser, the inner quantum efficiency is larger than l, and at the same injecting current compared with the normal laser ; the output optical power is higher

    介紹了新型隧道結構激光器的工作機理,理論推導了新型結構激光器的效率數學表達式,模擬了激光器激射模式及內部光場分佈,並用實驗證明了新型結構激光器能夠實現內量子效率大於1 ,且在不高的電流注入條件下獲得了較高的功率
  19. The outer - loop adopting the voltage effective value feedback regulates voltage output and reduces the steady error of output voltage. the inner - loop control is inductance current feedback, which implements the stabilization of system, and limits the inductor current

    外環採用電壓有效值反饋,調節電壓,內環採用電感電流瞬時值反饋,提高系統動靜態特性,並對採用該方案的逆變器進行了全面分析。
  20. The time - dominance simulation of the two - stage converter and the integrated system experimental is performanced. the simulative and experimental results indicate that the theory analysis is ture. the system stability is achieved with designing the related parameters by nyquist criterion

    最後通過時域模擬和調實驗,驗證了理論分析的正確性,實現了兩變換器在全負載范圍變電壓條件下的穩定工作。
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