速率產生器 的英文怎麼說

中文拼音 [chǎnshēng]
速率產生器 英文
rate generator
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (人或動物的幼體從母體中分離出來) give birth to; be delivered of; breed 2 (創造財富; 生...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 速率 : speed; rate; tempo
  1. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為,氣液混輸工況下,提高泵轉可以提高增壓,在一定程度上能改善多相泵的工作性能;含氣一定時,增加進口壓力,可使多相泵增壓值增大,泵效明顯增加,最大含氣點后移,但含氣很高時,存在氣液壓力相匹配問題;改進緩沖罐和均化的設計,有利於氣液互相夾帶,避免氣囊,可改善多相泵的輸送性能。
  2. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中,採用了式知識表達和正向推理機制;在基於神經網路的故障診斷方法中,則分別採用了bp神經網路的附加動量法、自適應學習、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功控制的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。
  3. Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )

    半絕緣gaas光電導開關( photoconductivesemiconductorswitches簡稱pcss ' s )具有兼備寬頻帶和高功容量特性,使其在超高電子學和大功脈沖與整形技術領域(大功亞納秒脈沖源、超寬帶射頻發等)具有廣泛應用前景。
  4. On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads

    本文在充分調研的基礎上,認為目前採用的傳統的無功功補償裝置存在響應度慢、觸發時刻不合適、補償電容上有殘壓、不能實行三相平衡補償、對電網污染、不能消除負荷本身的高次諧波等弊病。
  5. To analyze the questions and errors occurred in measuring the leaf photosynthetic rate using gas exchange, instrumental error, observation error and biology error in the use of portable photosynthesis system were computed and analyzed

    為了了解紅外氣體分析法測定單葉光合中常見問題及的誤差,本研究對光合作用測定系統使用中的儀誤差、觀測誤差和物誤差進行較為全面的實驗和分析。
  6. The target studied in this paper is one of the most important components in the ads. coupling the two innovative fields in the nuclear scientific and technological circles that are accelerator and sub - critical reactor. the physical function of this part is be as the neutron source, accepting the medium or high energy proton, breeding spallation reaction, arising the self - sustaining nuclear fission and generating the power

    本文所研究的靶件作為該系統最重要的關鍵部件之一,耦合核科技界的兩大創新領域-高功質子加和次臨界堆,該靶件的物理作用主要是接受中、高能質子,發散裂反應,中子源,引發持續鏈式反應,能量。
  7. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論調管放大的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙調管輸出迴路的諧振頻、間隙阻抗實部和外觀品質因數等特性參數。
  8. Based on the dds technology, the waveform generator first stored data in high speed ram, then used dac to synthesize waveform by the data. many waveforms could then be generated easily. besides, the wave generator could get high performance on frequence resolution and stability, phase continuum, relative bandwidth etc. the dds technology was widely used in frequence synthesis field

    基於dds技術的波形發以高存儲作為波形數據查找表、通過高d / a轉換對存儲的波形進行合成,可以靈活多種波形,同時具有頻解析度高、頻穩定性好、頻轉換快、相位連續性好以及相對帶寬較寬等特點。
  9. The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows. as a continuous high frequency noise, it mainly falls between the 500 to 10 000 hz range

    渦輪增壓的噪聲是由於葉片周期性地切割空氣的旋轉噪聲和高氣流形成的湍流噪聲而形成的,是一種連續性的高頻噪聲,主要分佈在500 ~ 10000hz的頻范圍。
  10. Ring laser gyro and fiber optic gyro ( totally called optics gyro ) are indispensable factors that inertial technology stride forward optic gyro ( including ring laser gyro and fiber optic gyro etc ) is an angle rate sensor, which is on the base of sagnac generalized relativity effects it represent the new trend of development of inertial instrumentand component.,

    目前,高精度、高可靠性、低成本、小型化、數字化成為了慣性技術領域發展的方向。激光陀螺、光纖陀螺的與發展正是慣性技術朝此方向邁進不可缺少的的因素。光學陀螺是基於薩格奈克( sagnac )效應的角傳感
  11. It is reduced the thermal loss, molten steel cooling velocity and product cost and is improved the working efficiency and quality

    實踐證明,烘烤全纖維新型壁襯,顯著降低了鋼包熱量損失、鋼包內鋼水冷卻度和成本,提高了品質量。
  12. The major contributions of the dissertation are as follows : 1. it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria. the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression. based on this analysis, a criterion of maximizing entropy is proposed to design such codes

    研究了基於兩帶鏡像多濾波組來設計的多值cdma擴展碼的方法,並推導出了基於這種方法設計的碼序列在循環相關特性方面所能達到的極限,以及達到此理論極限時應滿足的條件;在此基礎上,提出了一種基於熵最大化準則來cdma擴展碼的設計方法。
  13. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外物質熱解液化制取物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃熱解液化裝置能量轉化計算和物質能量利用計算提供了依據和方便; ( 2 )選擇了8種物質試樣作了等加熱( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種物質的頻因子和活化能參數,進而建立了各種物質的熱解動力學模型,為科學確定反應的閃熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的物質顆粒的長徑比進行了實驗觀察和測定,得出物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大的熱解時間相一致的結果,為閃熱解反應固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃熱解反應物料滯留時間( )與轉(或頻)合理匹配理論; ( 6 )提出了轉錐式閃熱解反應的最小錐角設計、錐壁強度設計、能力設計理論和功計算方法及臨界轉理論等。
  14. Standard test method for dust explosions in a 1. 2 - litre closed cylindrical vessel

    1 . 2公升的密封圓筒形容中粉塵爆炸壓力以及壓力升高的的標準測試方法
  15. Heroic strike is a surprisingly high amount of hate, and has very acceptable efficiency with talents, against low armor, and with a fast weapon

    英勇打擊可以令人驚訝的高仇恨,同時在天賦幫助下,使用快打低護甲時有相當不錯的效
  16. A special circuit is designed to generate square wave with frequency up to 100mhz based on a high speed hysteretic and differential comparator

    該電路以一個高比較為核心,具有差分、遲滯的特色,可高達100mhz的方波。
  17. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。
  18. We analyzed the anti - jam and band inside anti - interfere performance of the system, and the low probability intercept ( lpi ) of the traditional direct sequence spread spectrum ( dsss ) modulations in the uav platform ' s applications. so a new modulation technique using a multi - level pseudo noise ( pn ) code has been presented. the new multi - level pn code is built from a high speed pn code through a low passed filter ( lpf )

    分析了系統抗阻塞式干擾和抗帶內頻帶干擾的性能,以及常規bpsk qpsk - dsss調制在無人機通信中存在的安全隱患,提出了一種用多電平pn碼進行擴頻調制的方法:採用高pn碼,經過低通濾波多電平pn碼進行直序擴頻調制,能在低信噪比情況下有效抵抗平方檢測對系統載波的檢測。
  19. Computer control unit produces the trigger pulses for the fast switching thyristors. fast switching thyristors are connected in parallels in order to meet the capacitance requirement of the circuit. trigger pulses produced by computer are amplified and isolated by three pulse transformers

    設計三級脈沖變壓來隔離和放大計算機的觸發脈沖,得到強觸發信號滿足了多個快晶閘管並聯觸發的功要求以及系統的抗反擊電壓的要求。
  20. The main product of round - the - world company has a broadband to magnify all sorts of module, rate numbers and imitate light blast off, light receives parts of an apparatus, component and module, all need from the client come to round - the - world company the product that research and development accord with client norms completely, and with " quality " the import that regards an enterprise as existence, produce product of gives what quality assures science and technology, provide high - class service

    環球公司的主要品有寬帶放大模塊、各種數字及模擬光發射、光接收件、組件及模塊,環球公司一切從客戶的需要來研究及開發完全符合客戶規格的品,並以「質量」視為企業存在的意義,出質量保證的的科技品,並提供一流的服務。
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