漂移信號 的英文怎麼說

中文拼音 [biāoxìnháo]
漂移信號 英文
shifted signal
  • : 漂動詞[方言] (事情、帳目等落空) fail; end in failure
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 漂移 : 1 (漂流移動) be driven by the current; drift about2 [電子學] drift; shift; shifting; shunt runn...
  1. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比,半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱,啟動時間短;頻帶寬,噪聲低;能承受大的機動過載;抗核輻射,並可經受短時間電源中斷的影響;體積小,重量輕,功耗低,壽命長,非常適合空間應用。
  2. Non - linear self - emendation and temperature - bias self - compensate techniques of array silicon piezoresistive pressure, acceleration sensor is also reported

    還討論了處理電路、非線性自校正、溫度自補償及數據融合等技術。
  3. Each time slot of the uplink frame contains a byte overhead, whose guard time is used to keep slight phase shifts from impairing the signal. the prepositive bit pattern is used for synchronization capture

    在上行幀的每個時隙里有位元組開銷,其防衛時間用於防止微小的相位損害,前置比特圖案則用於同步獲取。
  4. 8b / 10b encoding adapt the characteristic of fiber channel very well, it has been used in high - speed fiber transmission broadly. it avoids the appearance of continuous “ 1 ”, “ 0 ”, offers plenty of bit synchronization time information, enhances the stability of output light signal, reduces interference between signals and offers proper redundancy to check error through transmission

    它避免了連「 1 」 、連「 0 」碼的出現,提供了豐富的位同步定時息,減少了直流基線,提高了光輸出功率的穩定性,減少了高低頻分量,改善了間的串擾,提供了適當的冗餘,便於檢測系統傳輸中帶來的錯誤。
  5. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  6. The detecting accuracy of the beam drift would be improved, as a high performance acoustooptic modulator modulates the frequency of the laser beam drift signal far away from the power frequency, the double power frequency and high frequency noises

    具體包括: 1 .利用聲光調制器將光束調制到遠離工頻及其倍頻干擾和高頻噪聲的頻帶段,以期提高光束量的檢測精度。
  7. Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview

    接著,在labview環境下開發了多種用於傳感器測試的虛擬儀器,具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后,研究了小波分析在一維消噪中的應用,實現了labview環境下的閾值法和平不變量法小波消噪,並利用labview設計了飛控系統中光纖陀螺零的小波消噪儀。
  8. In this thesis, three ionospheric scintillation monitors ( ism ) are installed in haikou, hainan province of the p. r. of china, which locations are separated about one hundred meters apart, the drift velocity of ionospheric irregularitie can be deduced by analyze the cross - correlation of scintillation signals at three monitors to determine the drift time between monitors

    本文通過實驗的方法,在地面上相距百米左右的距離設置三臺電離層閃爍監測儀( ism ) ,通過分析三站衛星閃爍之間的相關性,分別得出不規則體在三站連線方向上的速度,然後再求出電離層不規則體的速度。
  9. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器相關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持相率的理論關系結合模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度波理論的油水兩相流測量理論模型作了極限的簡化,提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。
  10. Bits supplies the synchronous timing signal to these equipments inside the telecommunicationt building, such as dps, atm, no. 7, dxc, tm & adm in sdh, don and in etc. the related techniques are involved in the content of synchronization ne twork, timing distribution, the timing signal transportations x impairments etc. the second chapter tells the structure and the function of the building integrated timing system. the third chapter summarizes the digital synchronization network techniques, which emphasizes the basic concept of synchronization networks analyzes the necessity of building the synchronization network and introduces all kinds of synchronization methods. the fourth chapter represents the transportation of the synchronization signal

    本文第二章講述了通樓綜合定時系統的構成及作用:第三章概述了數字同步網技術,著重描述了同步網的基本概念,分析了建立同步網的必要性,講述了各種同步方法;第四章闡述了同步定時的傳輸;第五章介紹了bits設備所支持的同步狀態消息;第六章、第七章為本文的重點,通過對時鐘建立數學模型,從理論上分析時鐘內部噪聲和相位瞬變產生時鐘定時損傷的原理,企圖尋找到更好地控制頻率的方法。
  11. The effect of phase - shift between pumping and signal light on the transmission performance of dynamic - soliton system using phase sensitive amplifier ( psa ) as on - line amplifiers is theoretically analyzed by computer simulation

    摘要採用計算機系統模擬方法,研究抽運光與光之間的相位對在線放大器為相敏光放大器的動態孤子傳輸性能的影響。
  12. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓的質量,本文採用三相六元件的發生方案,通過差分處理濾除了由於裝配偏差和零點帶來的誤差;本文對編碼器發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除中由磁鋼環表面粗糙度引起的噪聲,進一步提高了質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。
  13. According to the study on the resolution of the equipment for coal ore dressing based on the transmission of bi - energy - rays for a long time, it was provided that the resolution could be improved by selecting the mathem atical model, discerning mode, and the width of high and low energy windows

    摘要通過較長時間的實驗研究,指出處理數據的數學模型,判斷結果的識別模式,採集通道窗孔的設定是設備儀表系統關繫到設備分選率的幾個主要方面,只要綜合考慮源強,儀器的溫度特性,適當選擇數學模型、識別模式和窗口位置及寬度,可以大大增強判斷的準確性,提高分選率。
  14. A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift

    採用橋路和單運放差動放大電路對溫度傳感器檢測放大,軟體校正溫度傳感器和測量電路的非線性,軟體校準測量電路的零點和滿度,消除測量電路的系統誤差,提高補償溫度的測量精度;採用高阻、低運放tlc2254組成高阻差動放大電路用於酸度電極測量。
  15. Firstly, the temperature varies in a large range in the place where the gap sensor works, so this paper analyzes the temperature drift of gap sensor, and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters. to resolve this problem, a practical design of detecting coil is given, and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor

    首先,針對間隙傳感器工作環境溫度變化較大的情況,本文對間隙傳感器溫度現象進行了分析,認為檢測線圈電阻和檢波電路參數變化是造成傳感器溫的主要原因,建立了檢測線圈的數學模型,提出了檢測線圈和檢波電路綜合補償方法,解決了間隙傳感器的輸出溫度穩定性的問題。
  16. Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal

    本文以msp430f149晶元為控制器,設計硬體電路提取脈搏波,連續檢測脈搏波峰?峰值,計算氧飽合度。本課題採用了基線自動調節電路,以克服不同人體生理差異引起的基線;設計了直流截取電路和可控積分放大電路,以滿足臨床連續監測的特殊需要,解決飽和問題。
  17. The second example is a implementation of versatile digital waveform generator reveiver, which can be used as a means to test track segment finding logic and global decision logic, and other logics

    發生器可以產生任意波型的數字脈沖,可以用於主觸發和主室尋跡邏輯的調試與測試,為其它插件的調試創造條件。
  18. The movement of the satellites causes doppler frequency to drift, the receiver usually tracks the signal frequency the receiver through phase locked loop, in order to can demodulate the signal

    衛星運動造成多普勒頻率,接收機一般都採用鎖相環來跟蹤接收頻率,以便能正確解調
  19. The time base drift deduced by the change of temperature is discussed particularly and the compensation method of it is analyzed. finally, we also studied frequency band extension under time base distortion condition by simulation. the results show that the compensation of time base distortion can reduce the error of signal and then increase the accuracy of frequency band extension

    首先,介紹時基失真的相關概念及其對測量的影響;其次,對時基失真特性測量的不同方法進行了理論分析和比較,並對分析法進行了模擬研究;再次,對時基失真的補償方法進行分析和模擬研究;並專門對溫度變化引起的時基及其補償方法進行了簡要分析;最後,對時基失真條件下的頻帶展寬技術的模擬表明時基失真的補償可以減小的誤差,因而提高頻帶展寬的精度。
  20. In this thesis we analyze in detail the influence, created by random change of the optical wave polarization, on the output of the interferometer. then several principles of eliminating polarization - induced fading are introduced, and the principle that inserting two faraday rotator mirrors into the end of michelson fiber interferometer to eliminate the fading is analyzed in detail. this method can eliminate polarization - induced fading without additional signal processing, and make the output of the sensor stable

    其中,本文詳細分析了光波偏振態的隨機對干涉儀輸出的影響,介紹了目前幾種消偏振衰落技術的原理,著重討論了在光纖michelson干涉儀末端加兩個法拉第旋轉鏡的消偏振衰落的原理,該方法不需要任何附加的處理就可以消除偏振衰落,使干涉儀輸出穩定。
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