弱信號 的英文怎麼說

中文拼音 [ruòxìnháo]
弱信號 英文
weak signal
  • : Ⅰ形容詞1 (氣力小; 勢力差) weak; feeble 2 (年幼) young 3 (差; 不如) inferior 4 (接在分數或...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  1. Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced

    文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹
  2. Numerical simulation of stochastic resonance in bistable system for detecting weak signal

    隨機共振在微弱信號檢測中的數值模擬
  3. We use fuzzy mathematical morphology to remove noise and dust which can lower noise successfully and also make up a loss of intensity caused by fluorescence blench. to acquire the target region, we purpose automatic gridding method based on image segmentation for image with irregular spots, it ' s segmentation through threshold. this method is presented simply and fast

    在網格定位中,本文針對點不規則的晶元圖像提出了基於圖像分割的自動定位方法? ?閾值分割,該方法簡單快速,但對于光密度分佈不均勻的點,可能會去掉部分微弱信號,降低了計算的準確性。
  4. This dissertation is focus on the temperature sensitive mechanism of the brillouin - scattering signal and on the basis of domestic techniques, the methods and approaches of signal detection and processing in distributed brillouin fiber - optical sensor system. a digital multi - point average method ( digital boxcar ) has been proposed based on the characteristics and the sorts of fiber - optical sensors and by analysis the feature of the brillouin - scattering signal, and also comparisons of all sorts of weak - signal detection theory

    論文在全面了解光纖傳感器的分類和特點及分散式光纖傳感器的原理和發展歷程的基礎上,通過分析被檢測的光纖布里淵後向散射的特點,研究和比較了微弱信號檢測的各種方法,最終選定了多點數字平均(數字boxcar )的處理方案。
  5. Through the processing method basing on wavelets, implementing the removing noise about section gauss noise to colure full tv signal, we resolve the theory and practice problems in the processing of weak signal detection

    摘要通過基於小波分析的處理方法,實現對彩色全電視一段被高斯白噪聲干擾的降噪,解決微弱信號檢測過程中遇到的理論和實踐問題。
  6. Two fundamental approaches, differential optical absorption spectra ( doas ) and wavelength modulation harmonic measurement, for gas light absorption detection are discussed

    分析了波長調制諧波檢測技術和差分吸收檢測技術兩種弱信號檢測方法。
  7. The application of chaos theory to weak signal detection is a creationary research, which extends the application field of chaos theory and impels the development of weak signal detection theory

    將混沌理論應用於微弱信號檢測是一個開創性的研究,它拓寬了混沌理論的應用領域,將微弱信號檢測理論推進了一大步。
  8. Testing of feeble signals

    弱信號檢測
  9. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用高速的dsp處理器,實現了對故障特徵息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。
  10. It controls the receiver ’ s gain, ensuring the receiver has a high gain when a weak signal is received and a low gain when a strong signal is received

    它能夠保證接收機在接收弱信號時增益高,而接收強時增益低。
  11. Linear time - frequency analysis and its application in weak signal detection

    線性時頻分析在弱信號檢測中的應用
  12. The basic principles still apply : ground impedance must be as low as possible, high level and low level signals must be separated so that they do not interfere with each other, and capacitance and mutual inductance coupling must be avoided

    前文提到的原理仍然適用:地線阻抗要盡量小,大功率和微弱信號要分開布置以避免串擾,一定要避免電容性耦合和電場耦合。
  13. They may be compared to the weak signal coming in over a long-distance telephone line.

    它們可以比做經過遠距離電話線而來的弱信號
  14. It introduces the method of modulated light subtracting infrared radiation of atmosphere and background as well as the method of phase - lock - loop detecting feebleness signal

    採用光路差分調制的方法實時扣除背景紅外輻射,並採用鎖定放大器進行微弱信號的檢測。
  15. A quick spectroscopic diagnostic system for the flame temperature is set up in this paper. it consists of an optic imaging system, a scanning system, a dispersive system, a photoelectricity conversion cell, operational amplifiers, a computer - based data collection system and a data processing. the temperature profile varying with the time can be quickly measured by this system

    目前光學診斷由於其相應快、精度高,屬于非接觸式測量手段,在研究中得到越來越多的應用,這里要介紹的就是本文中建立的一套光學診斷系統,它由高壓燃燒室、旋鏡掃描儀、旋鏡控制器、小型光柵攝譜儀、光電轉換裝置,微弱信號放大器以及數據採集系統組成。
  16. The key problem to be solved in multi stations tdoa system is spatial and time synchronism between stations, weak signal detection and solution for high precision location equation

    多站時差定位系統也有其自身要解決的關鍵技術和難點:多接收站之間的時間、空間的同步問題,目標回波的弱信號檢測問題,高精度的定位方程組求解方法。
  17. The analysis of the weak signal circuit, amplifying circuit of the signal and power circuit in the thermal conductivity detector has been done, and the characteristic of the circuits with the rhenium tungsten filament is designed

    針對氣相色譜熱導檢測器的弱信號失真和電源不穩定問題,研究與設計熱導檢測器的弱信號測量電路、放大電路以及電源電路。
  18. For instance, if one is performing a watch - keeping task that requires vigilance, [ color = red ] in which [ / color ] he is responsible for detecting weak signals of some kind ( e. g, watching a radar screen for the appearance of aircraft )

    比如,看守工作是需要保持警戒的,看守員有責任發現某些種類的微弱信號(例如,觀察雷達屏幕發現飛行器) 。
  19. [ size = 3 ] for instance, if one is performing a watch - keeping task that requires vigilance, [ color = red ] in which [ / color ] he is responsible for detecting weak signals of some kind ( e. g, watching a radar screen for the appearance of aircraft )

    比如,看守工作是需要保持警戒的,看守員有責任發現某些種類的微弱信號(例如,觀察雷達屏幕發現飛行器) 。
  20. This paper aims to finish the electronic interface circuit of the tuning fork micromechanical gyroscope detected by capacitance to ensure the vibrating of the gyroscope and to detect and process the signals

    本文針對音叉電容式微機械陀螺的介面電路設計、穩幅諧振、微弱信號檢測和處理等問題開展研究。
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