波長計電路 的英文怎麼說

中文拼音 [zhǎngdiàn]
波長計電路 英文
wavemeter circuit
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis

    論文提出以輸本端和對端流、壓、功率作為輸入量,導出了超高壓線的阻抗和傳播常數的數學解析式,在此基礎上進行了500kv輸實時參數算;提出以三繞組自耦變壓器的流、壓、功率為輸入量,導出了自耦變壓器繞組的阻、抗的線性解析式並進而對變壓器的實時參數進行算;在此基礎上編制了相應的軟體。
  2. With the fleet development of mobile communication industry, the security and secrecy of information has been becoming more and more vital. nowadays, the security of communication is of great importance to confirm the safety of business information. on the situation that the mobile phone has been diffusely applied, the hidden safety troubles of mobile phone should not be ignored ( such as wire tapping, imitated handset station, blue teeth connection, in exchange with electromagnetic wave, the back door of handset, lost & stolen & lost control of mobile phone, safety of non - tone increment operation of mobile phone and cell phone virus )

    據統,目前我國gsm網[ 1 ] [ 13 ]已覆蓋全國絕大部分地區,用戶數已超過2 . 6億,並且還在高速增;隨著手機應用的普及,手機存在的安全隱患及面臨的威脅日益突出(如主動竊聽、假冒機站、藍牙連接、交換、手機后門、手機被盜、丟失或短時失控、手機非話增值業務安全以及手機病毒等) ,手機安全問題已成為當前急需解決的重要問題。
  3. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應機進行了深入細致研究,內容包括: ( 1 )本文採用有限流作用於有限鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體算結果進行了比較,採用等效算了堵轉時的最大磁力並做實驗進行了驗證,由實驗測得了三相形,並與算結果進行了比較,對其不對稱性進行了定性分析。
  4. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn

    Gaas algaas量子阱紅外探測器( qwips )是近二十年來迅速發展起來的一種新型紅外探測器,它成功地利用了gaas勢阱和al _ xga _ ( 1 - x ) as勢壘之間的子帶間吸收,使之具有能帶結構可精確設從而獲得指定光譜響應的特點,加之成熟的材料生技術、器件工藝,以及商業上可獲得大面積的vlsigaas集成,使得gaas algaasqwips尤其適宜製作8 12 m范圍的大面陣探測器。
  5. The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time

    本文討論了脈寬觸發和觸發釋抑的實現,採用veriloghdl在fpga中實現了一種峰值檢測模塊,提高了示表的毛刺捕捉能力,設形記錄( recorder )功能模塊能夠對輸入的模擬信號進行時間連續不斷的采樣量化,並記錄形數據和及時送顯示。
  6. Ingaasp long - wavelength quantum well laser is at present appied most extensively in optical fiber communication. structuring its circuit model can optimize the design of the optical transmitter and it is significant to design high - qualitied optical communication system

    Ingaasp四元系量子阱激光器是目前在高速光纖通信中應用最為廣泛的一類激光源,構建其模型有助於完成光發射機的優化設,這對于高質量的光通信傳輸系統有非常重要的意義。
  7. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微等離體化學氣相沉積過程;利用微對材料的選擇加熱特性,通過構造等效方程,並首次將磁場攝動理論引入到mpcvd的基片加熱材料的設中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設提供了一條全新的技術線以指導基片加熱材料的制備,並對基片加熱材料進行了設和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微等離體化學氣相沉積金剛石的成核與生研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  8. The article relates that the tool ' s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase - sensitive detector. the image coverage rate is improved and reached to 60 percent by increasing the number of pad ' s buttons. the tool carried out two logging functions : fast - scanner mode and dip mode

    本文敘述了採用循環採集法、自刻度功能、相敏檢等方法提高了儀器的測量精度;通過增加極板扣的數量將圖像覆蓋率提高到60 ;實現了快掃描、傾角兩種測井模式;將測斜短節與預處理短節合二為一,縮短了儀器度;去除了零伺服控制系統,簡化了;用fpga晶元對採集控制器重新設
  9. The inductor, which is one of the most important magnetic components, is not only used in lc filter and choke but also in rf communication circuit. the thin film inductor can be integrated with semiconductor components, so far it has not been widely used in these fields, the reason is the limited of thin - film material and substrate, process technology and design technology. designing and fabricating thin film inductor is the key point of this paper

    而作為磁性元器件中最重要的感,它不僅在lc濾、扼流圈中必不可少,在現代射頻通信中也被廣泛使用,特別是能與硅器件一起集成的薄膜感器,在國際上備受重視,而國內期以來,由於受薄膜磁芯材料、繞組材料、基片材料,包括製作技術及最為關鍵的設技術限制,尚未研發出能夠用於這一應用領域的高、中、低頻薄膜感器。
  10. The tapped line input output block with compact structures and flexible design method, was studied by many designers in the sixties and seventies of last century. but it is because the weak precision, hard tuning and long design period of traditional equivalent circuit method influences the development and wide use of this block

    抽頭式輸入輸出單元,以其緊湊的結構形式,靈活的設方法,早在上世紀六七十年代就被許多人員研究,但是由於等效法分析該單元的精度較差、調試難度大、研製周期等原因,影響了抽頭式微器的廣泛應用。
  11. Especially, mesfet devices fabricated on lec si - gaas substrate have been adopted into very large - scale integration ( vlsi ) and monolithic microwave integrated circuit ( mmic ) extensively. therefore, it is necessary to study the influence of defects in substrate material of lec si - gaas on performance of mesfet to meet the need of design and fabrication of gaas ic

    以液封直拉半絕緣gaas為襯底的金屬半導體場效應晶體管( mesfet )器件是超大規模集成和單片微集成廣泛採用的器件結構,因此研究lec法生si - gaas ( lecsi - gaas )襯底材料特性對mesfet器件性能的影響,對gaas集成和相關器件的設及製造是非常必要的。
  12. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓線故障暫態流行折、反射過程以及折、反射系數的特點,提出了新的單端行故障測距方法,它不僅能夠有效地識別出測距所用的反射,而且幾乎不受線結構、短、故障接地阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻器的特徵,設了低通數字濾器,對通過了低通數字濾器的暫態故障流行再次進行小分析,並利用本文提出的單端行故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。
  13. The system is based on ultrasonic multiple pulse - echo principle, the control circuit of sonic circulation, can improve the precision of measurement by extending the time of detection

    本系統以超聲多次脈沖反射法測距原理為基礎,設聲循環反射控制,達到以延測量時間為代價提高測量精度的目的。
  14. In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into computer. the corresponding changes of the measurands can be obtained by filtering, analysising and processing the experimental data by using the computer information process system

    該系統採用可調諧光纖fabry - perot濾法對fbg變化進行解調,通過a d轉換將調諧控制信號和變化的信號送入算機並口,經過算機信息處理系統的濾,分析,處理,可得到相應被測參量的變化。
  15. In this system, a tunable fiber fabry - perot ( f - p ) filter is used to detect the changes of the wavelengths of the fbgs, then both the tunable control signal and the signal indicating the changes of the wavelength transmitted by an a / d electric transmission circuit are input into a high speed sampling card

    該系統採用可調諧光纖fabry - perot濾法對fbg變化進行解調,通過a d轉換的調諧控制信號和變化的信號送入高速采樣卡,經過算機信息處理系統的濾,分析,處理,可得到相應被測參量的變化。
  16. So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing

    為此,本文詳細分析了光無創雙光束法測定脈搏血氧飽和度的基本原理,在結構簡單,功耗小的原則下,選用合適發光的探頭和信號處理器,設出光強穩定的發光,低噪聲前級,以及本底干擾對消,通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。
  17. Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability

    本文結合有限元模擬和實驗方法,研究了改進遠場渦流技術性能的幾種方法,即:採用磁屏蔽、磁進行傳感器優化設以縮短探頭度、增大信號強度;改進信號調理以提高細微缺陷檢出能力;利用同態濾、小變換以及誤差修正等數字信號處理技術確保檢測結果的可靠性。
  18. This system is realized by cpld which can get rid of the disadvantages in one - time design including property liable to jamming, long sampling period, and poor working stability. its sampling period is up to 500ns at least and output delay is only 19. 5ns. a stable period of pulse coming out of quadruple - frequency differential circle belongs to it

    完成了用vhdl硬體描述語言對全數字轉速位置測量子系統的設,並用max ? plusii軟體進行了編譯和形模擬,在cpld ( max7000 )得到實現,該系統克服以往設中存在的易受干擾、工作穩定性差、采樣周期太等的缺點,輸出延時僅為19 . 5ns ,采樣最低周期可達到500ns ,且四倍頻微分獲得的脈沖周期穩定。
  19. Extreme ultraviolet lithography ( euvl ) represents one of the promising technologies for supporting integrated circuit ( 1c ) industry ' s lithography needs during the first decade of the 21st century. this technology builds on conventional optical lithography experience and infrastructure, uses 11 - to 14 - nm photon illumination, and is expected to support multiple technology generation from 65 nm to 35 nm

    極紫外投影光刻( euvl , extremeultravioletlithography )技術作為下一代光刻技術中最佳候選技術,建立於可見/紫外光學光刻的諸多關鍵單元技術基礎之上,工作為11 14nm ,適用於製造特徵尺寸為65 35nm的數代超大規模集成,預在2006年將成為主流光刻技術。
  20. During designing hardware circuit, we have used the supreme limitation to raise driving - ability and raise the distance of measurement to returning ware by taking some measurements just like multi - polar enlarging, according to the ultrasonic characteristic of index attenuation when it ' s spreading because we need to measure longer distance ( from several meters to dozens of meters )

    在硬體的設中,由於需要測的距離較(幾米到十幾米) ,針對超聲振幅在傳播時呈指數衰減的特性,最大限度地提高驅動能力,對回進行多級放大,達到了設要求。
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