標度放大器 的英文怎麼說

中文拼音 [biāodùfàngdàqì]
標度放大器 英文
scale projector
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 放 : releaseset freelet go
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. This article firstly describes the structure and operational principle of a flash memory and analyzes the commonly used structures of its peripheral circuits. . . sense amplifier. then emphasizes on illustrating the design of two novel structures of sense amplifier applied in a 3v full - cmos flash memory, and then simulate them using innosis 0. 15um process technology and obtain satisfying simulation results under different conditions

    然後著重論述了兩種應用3v全cmosflashmemory中的全新結構靈敏放大器，並用innosis0 . 15 m工藝，對其進行模擬，得到了不同條件下的模擬結果，結果表明新設計的全新靈敏放大器具有電路結構簡單，讀取速度快等優點，完全能夠滿足flashmemory的要求，達到了預期的目標。
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  3. The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in

    實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面，用於定向固定htk單克隆抗體，成功研製了檢測htk的壓電石英晶體傳感器，並基於標準scatchard繪圖法，計算出免疫反應的親和常數為1 . 85 106l / mol ，證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術，設計了的檢測htk的質量放大壓電石英晶體傳感器，該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測，應用此傳感器成功地對5種癌癥病人血清中htk的濃度進行了測定，實驗結果為癌癥的臨床診斷與治療提供了參考。
  4. In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced

    在探頭的設計中，詳細介紹了前置對數放大器電路設計，在對數放大器加入了溫度補償電路和抗干擾電路，以保證測量精度和較大的量程，最後信號經電壓電流的轉換，得到4 - 20ma的標準信號作為探頭的輸出信號，進行遠傳。
  5. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  6. On top of its conventional activities of signal magnification, reshaping, filtering, sampling, a / d transformation and scale switching, the intelligent sensor system can perform kinds of advanced operations such as on - line storage of parameters, real - time data processing, self - diagnosing of the system and so on. because of its communication interface with pcs, it serves as intelligent plug & play network sensor

    它除了能完成對傳感敏感器件的信號進行放大、整形、濾波、采樣、 a d變換及標度變換外，還可實現參數在線存儲、數據實時處理、系統自我診斷等功能，並可以通過其通訊介面與溫室現場總線相接，組成即插即拔的智能網路傳感節點。
  7. 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，前端採用帶隔離膜充油芯體的壓力傳感器，輸出信號由高精度低溫漂和高可靠性的放大電路和模數轉換電路將數據送入微處理器，經運算後由高精度數模轉換電路變換為標準信號輸出。
  8. This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc

    本文根據系統溫度靈敏度、角解析度、成像時間等參數要求，對系統天線類型、直徑，接收機類型、積分時間、射頻增益、視頻放大器增益，定標方式，數據採集卡的采樣頻率、編程及驅動裝置的掃描速度、掃描類型等進行了詳細的分析設計。
  9. The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy

    主要研究了攝像機針孔模型的建立及測量傳感器的標定；圖像的快速高精度的採集和處理，在圖像處理中採用多幀平均演算法，很好地解決了速度和精度之間的矛盾制約；根據旋動理論建立空間坐標變換數學模型，進而建立其不同視角下的測量數據融合演算法，生成完整的物體三維數據集合；在vc平臺下編寫三維顯示軟體模塊，完成三維測量結果的可視化，實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。
  10. The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary

    信號檢測單元直接檢測皮帶速度，並輸出近似正弦波的電信號：信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理，並進行數字顯示；預警、報警、控制單元將信號與標準信號進行比較，經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。
  11. The experiment results show that : the frequency stabilization of the optimized doppler modulator has already reached rms error about 1 %, which could meet the need of reference signal of the lock - in amplifier

    實驗結果表明，經過優化后的多普勒調制器的輸出調制信號頻率的相對標準誤差達到了1 %左右，能夠滿足鎖相放大器對輸入參考信號頻率穩定度的要求。
  12. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  13. Vector modulators have been used in this paper to vary the phase and amplitude of signals in the in - band spurious cancellation loop of feed - forward power amplifiers ( ffpa ). in the two - tone test, 3. 5ghz ffpa developed in this paper shows more than 35db improvement in the third - order inter - modulation ( im3 ), offers approximately - 60dbc im3 output, achieves the expected goal, and meets the communication requirement

    本文研製的3 . 5ghz前饋放大器採用了矢量調制器來實現前饋環路的幅度和相位調節，在雙音測試結果中，三階交調im3的改善超過了35db ，前饋系統輸出im3抑制近- 60dbc ，達到了預期指標，滿足了通信需要。
  14. Based upon basic principles of the analog integrated circuit and theories of system stability, this paper deals with high precision, wide band - width and fully differential cmos operational transconductance amplifiers ( ota ). other than discussions about its performance evaluation and testing, a two - stage full differential ota has also been designed including its core cell and the overall layout

    基於模擬集成電路基本理論與系統穩定原理，論文針對高精度、寬帶寬cmos全差分運算放大器（ ota ）進行了性能指標及測試技術探討，並研究設計了cmos全差分共源共柵兩級ota 、核心單元與總體電路版圖。
  15. This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful

    本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，工作頻帶寬，帶內增益波動小，線性度高，所以其終合設計難度大。鑒于這個原因，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；在實踐中精心設計電路，並且配合eda軟體模擬，最終達到所要求的指標。
  16. The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”

    本文設計了石英晶體壓電傳感器，以它作為傳感元件把咬合力信號轉變成電信號;利用ts5860型準靜態電荷放大器把傳感器的電荷信號轉變成電壓信號;選用usb7822數據採集卡，編寫該數據採集卡的驅動程序，採集該電壓信號並送到計算機里;編寫labview程序對該信號進行處理，得出咬合力值和咬合力曲線，並把測量結果以電子表格的形式保存，以便做進一步的分析和研究。通過對該測量儀的靜態標定、動態標定、溫度漂移標定以及實際測量試驗，證實了本測量儀具有較高的靈敏度、受動態力和溫度變化的影響比較小、能實時地顯示咬合力曲線和較準確地顯示咬合力值，滿足了咬合力測量的要求。
  17. Firstly, a two - stage structure for the ota is presented after comprehensive considerations on characteristics like open - loop gain, unity - gain bandwidth, phase margin and settling time. then the input and output topologies have been decided by comparing different structure available for this purpose

    首先，通過對ota開環增益、單位增益帶寬、相位裕度和建立時間等性能指標的分析，並對比了幾種典型運放結構，設計開發了一種cmos全差分共源共柵兩級運算放大器框架。
  18. In the sixth chapter, firstly a high accuracy bandgap reference circuit has been presented, which has the characteristic of temperature coefficient much better than that of the same circuit of the world, and then a noval high drive capability cmos operational amplifier has been proposed, which are all suitable for the application of communication integrated circuit system

    第六章:提出了一種新的高精度帶隙基準電壓源電路，實測該電路的溫度系數指標遠遠優于國際同類結構電路的溫度系數指標，接著提出了高驅動能力全差分運算放大器電路。
  19. This low noise amplifier and the 1. 5ghz 1. 8ghz low noise amplifier will work well in the environment under - 40oc, when the input port and the output port connect with open, short or 50 ? loads. both amplifiers achieve leading level in domestic

    該低噪聲放大器和1 . 5ghz 1 . 8ghz的低噪聲放大器能夠保證- 40oc的環境溫度下，在輸入埠和輸出埠分別接短路器、開路器和50負載九種情況下保持穩定，而且其噪聲系數、增益等指標都已達到國內先進水平。
  20. 2 beams power balance experiment of single amplifier system was presided over independently by me, gaining the high precision power balance target and accumulating the experience for " sg - ii " power balance ; 7

    獨立負責進行了兩路單臺放大器系統的功率平衡實驗，達到了高精度功率平衡指標，為神光n裝置高精度功率平衡積累了經驗。
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