瞬態信號 的英文怎麼說

中文拼音 [shùntàixìnháo]
瞬態信號 英文
transient signals
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 瞬態 : transient; instantaneous condition; transient state
  1. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小近似下,得到了相應的激光器的傳遞函數;在大噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的噪比增益,分析了其抗噪聲性能。
  2. The apparatus, with the specialities such as miniature, automation, flexibility, and individual - computer managing has become the developing trendof the testing equipment today. based on analysis of the characteristic and the system structure of the visual instrument, the paper has studied the design idea of it, put forward the exploiting methods of the visual instrument based on the object - oriented technique, exoatiated on the technique kernel of design the visual instrument under windows environment, designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system ", which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument. the system has more excellent functions and characteristics than traditional instruments

    本文研究了虛擬儀器系統的設計思想,在分析虛擬儀器系統的特點及其體系結構的基礎上,提出了基於面向對象技術的虛擬儀器系統開發方法;闡述了windows環境下實現虛擬儀器的技術要點;實現了一個典型的虛擬儀器系統「 vis ? 1示波分析系統」 ,該系統集普通示波器、超低頻示波器、存儲示波器、瞬態信號記錄儀、波形及頻譜分析儀等多種儀器功能於一身,並具有許多傳統儀器難以達到的優越功能和性能。
  3. In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector

    時間分辨譜測量方法的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探測器接收並轉換光為電,用通用計算機控制採集並處理光譜數據。
  4. The characteristics of speech signal have caused the difficulty of speech recognition, these characteristics include changefulness, dynamism, instantance and continuity etc. the process of computer recognition for speech and the identification process for speech by a person are basically consistent

    語音本身的特點造成了語音識別的困難,這些特點包括多變性、動性、時性和連續性等。計算機對語音識別的過程和人對語音的識別過程基本上一致。
  5. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號數據採集系統,它具有以下特點: ?採用usb介面進行高速數據傳輸,傳輸速度達100kbyte / s ; ?採用浮點a / d轉換技術,動范圍達120db ; ?多種采樣觸發控制方式; ?最高采樣率100ksps ; ? 12位采樣精度: ? 32kb數據緩存; ?使用新型大規模電子器件,系統結構緊湊,重量輕,適合野外作業。
  6. The system has 6. 8mhz digitalizing bandwidth and 70db instantaneous dynamic range, which can be obtained by using rf / if converter vxi3570, high precision digitalizer e1437a and proper signal processing arithmetic

    系統數字化帶寬設計為6 . 8mhz ,選用rf if變換模塊vx13570 、高精度數字化儀e1437a和適當的處理演算法可獲得70db以上的時動范圍。
  7. Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method

    借鑒于沖擊回波技術,固結波速的測定方法是在鋼筋測桿的出露端施加沖擊載荷,由安設在測桿頂端的傳感器接收反射應力波,根據應力波的走時和測桿的長度折算固結波速的大小,因此反射的識別是固結波速法檢測混凝土強度的技術關鍵。
  8. Transient signal detection ofeeg based on wavelet transform

    基於小波變換的腦電瞬態信號檢測
  9. By means of the corollary of 3. 5 which stated that carrying on double wavelet transform to the signal would not change the convergence of modulus maxima line when scale comes to zero, this thesis put forward a new measuring method

    中混入較大的噪聲時,這種方法仍然可以實現瞬態信號波至點的精確檢測。採用matlab及wavelab工具箱對本論文所提出的方法進行設計及模擬研究。
  10. Some commonly used methods used for the detection of transient signal ' s arriving point are introduced briefly

    介紹了常用的幾種瞬態信號波至點檢測方法。
  11. This thesis put particular emphasis on the study and application of continuous wavelet transform to the detection of transient signal ' s arriving points. the main works and contributions in this thesis are as follow

    本文對連續小波變換在瞬態信號波至點檢測中的應用進行了研究,其主要內容可以分為以下幾個方面。
  12. And then based on the generalized function and distribution theory, it presents two corollaries that are relate to singularity detection and the wavelet transform modulus maxima line ( wtmml " s )

    結合廣義函數與分佈理論,提出了兩個用於描述瞬態信號波至點檢測與小波變換模極大值曲線( wtmml ' s )之間關系的新推論。
  13. Aimed at the property of transient signal such as the short - time characteristic, energy - concentration and so on, it makes a preliminary exploration to the measurement of transient signal " s parameters

    針對瞬態信號短時段、能量集中等特點,對瞬態信號的參數檢測進行初步的探索。
  14. Such system is used to digitize high - speed, wide band signal

    該系統適用於對高速、寬帶的瞬態信號進行數字化處理。
  15. The original intention of my work is to design the apparatus which will be used to inspect the defect of pile foundation

    本文討論的是一個瞬態信號的數據採集系統。本設計的初衷是研製一個樁基礎無損檢測儀。
  16. A survey concerned with the wavelet analysis ' s developing history, current situation of generalized functions and the research background of signal ' s arriving points is given

    對小波分析的發展簡史、廣義函數的現狀和瞬態信號參數檢測的研究背景作出綜述。
  17. In vibration test, the signal is always along with noise. if the noise belongs to white noise, fourier transform is very suit to identify and process it, after then remove it. but when there exists low energy impact signal, traditional band pass filter remove noise and the precise position of impact signal is blured

    對于白噪聲,由於它是穩定,所以也可以使用fourier變換定位,以便在合適的頻段進行提取。但是對于低能量突變瞬態信號,在噪比比較低的情況下,由於帶通濾波的平滑作用,瞬態信號的位置息也變得很模糊了。
  18. According to the electromagnetic induction theory, abrupt variation of current in the transmitter loop will induce magnetic field around it, which is called the first field. in the transmission of the first field, when it meets good conductor target, induce current will be created, which is called erratic current of second current. because the second current changes with time, so it will create new magnetic field, which is called

    對于接收部分,由於具有早期幅度大、衰減快,而中晚期幅度小、衰減慢的大動范圍的特點,必須設計適應這種大動范圍的採集電路;為了適應野外工作,系統主控部分採用具有功耗低、高速處理的dsp ,通過高速通用串列介面usb與上位機通訊,實現對整個探測系統的控制。
  19. This paper has proposed one new way of thought of differentiating the fault type. after observing the physical course of the single - phase grounding of transmission line, analyzing by the wavelet transformation the transient signals sampled during the fault period from the moment that single - phased grounding occurs to the moment that line breakers work, we can distinguish temporary fault from permanent one through the wave form

    本文提出了一種不同於現有故障類型判別的思路,通過考察線路單相接地故障的物理過程,利用小波變換理論分析處理線路單相時性故障和永久性故障在故障發生后斷路器開斷前時間段的暫,通過波形識別區分兩種故障。
  20. Realizing the application of the empirical mode decomposition in the instantaneous characters extraction of the non - linear and non - stationary signals. in the meanwhile, it has proved that it is feasible to realize the similar pattern matching of the stocks " forecasting, if the empirical mode decomposition and the forward propagation learning algorithm of multi layered neural networks with feed back connections are related

    實現了經驗模分解方法在非線性和非穩時特徵提取中的應用;同時利用實驗數據證明了經驗模分解方法與多層反饋神經網路fp演算法相結合,來完成股票數據預測中的相似模式匹配的可行性。
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