零位信號 的英文怎麼說

中文拼音 [língwèixìnháo]
零位信號 英文
zero signal
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  1. In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and short - time zero - crossing rate is proposed for the first time to determine the exact boundaries between different components of heart sound

    本文通過使用雙門限、迭代等方法,改進了基於能量的分段演算法,並首次引入短時過率以更準確地定分段邊界。
  2. Tacholess order tracking filtering for run - up or coast down vibration signal of rotating machinery based on zero - phase distortion digital filtering

    無轉速計旋轉機械升降速振動階比跟蹤濾波
  3. The signal generator null sensitivity affects the accuracy and resolution of measurement because the gyro is an integrating device.

    因為陀螺是一種積分裝置,所以發生器的靈敏度影響測量精度和測量分辨度。
  4. A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate

    本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓
  5. In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave

    第二種方法將小波變換與模式變換理論結合起來,採用的是暫態行波,首先將三相轉換成模式分量,模分量的小波變換系數用於判別故障的大致置,然後利用線模分量的小波變換系數來確定行波到達時間。
  6. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定判據- 「暫態序電流幅值法」 、 「穩態基波序電流方向法」 、 「穩態7次諧波序電流方向法」和「 s注入法」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷,更將故障定在故障線路最小故障區段。
  7. By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system

    摘要通過注入特定的高頻電壓,利用電機的各向異性以確定轉子的凸極置,在同步電機無傳感器矢量控制中,對包括速度在內的所有速度下都能獲得精確的轉子息。
  8. The menues are self - explanatory and allow to choose the configuration parameter as user language, engineering unit, zero and span, inverted output signal etc. the language can be switched between german, english, spanish and italian

    菜單簡單易懂,可以選擇配置參數,如用戶語言工程單點和跨度翻轉輸出等。可選擇語言有德語英語西班牙語和義大利語。
  9. On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells

    本文結合型研製中小曲率機翼整體壁板類件坯料展開課題,基於板料厚向變形忽略不計的先驗假設,首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類件毛坯外形,給出了混合四邊形-三角形網格等面積展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊形單元展開基帶上結點的計算方法;採用映射原理和求交演算法確定了壁板內部結構息的展開定
  10. It is one of advanced technologies used in modern radar that applying adaptive algorithms to radiation pattern of an adaptive array in order to control nulls of the beam pattern and to suppress interferential signals

    在自適應天線陣的發射模式中應用自適應演算法,控制發射波束的置,以達到抑制干擾的目的,是現代雷達採用的先進技術之一。
  11. The results indicate that : with sa, the position precision of the integrated system, whose gyro drifting is 50 degree / hour and whose accelerator offset is 0. 001g, is 60 meters, its velocity precision is about 1. 75m / s out and its attitude angle precision is about 0. 25 degree. without sa, the position precision is about 20 meters, its velocity precision is about 0. 5m / s and its attitude angle precision is about 0. 1 degree. when the signal of gps is lost, the growing rate of the integrated system error is much lower than that of sins system

    模擬結果表明:對于陀螺漂移為50度/小時、加速度計偏為0 . 001g的組合系統,在有sa的情況下,置精度大約為60米,速度精度大約為1 . 75米/秒,姿態角精度大約為0 . 25度;在無sa的情況下,置精度大約為20米,速度精度大約為0 . 5米/秒,姿態角精度大約為0 . 1度;在gps丟失時,系統誤差的增長速度比純sins系統明顯減緩。
  12. The methods of determination bipolar inputting control signal, optic - electron coder feedback signal connecting with mcu, dimension ' s unity of inputting signal between feedback signal, zero position orientation, and logical drive are proposed and realized

    提出並實現了系統雙極性輸入控制采樣、編碼器反饋與單片機介面、輸入與反饋的量綱統一化、、以及邏輯驅動等處理方法。
  13. How to improve the accuracy of flux observer is very important in high - performance motor system, especially at low - speed or zero - speed situation. high - frequency signal injection is believed the efficient method to solve these difficuilties

    高頻注入來實現極低速甚至速情況下磁鏈置的觀測是目前該領域的熱點研究內容,本文採用的是d - q軸阻抗差異法。
  14. This paper analyses the steady and transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet analysis theory and the artificial neural networks are introduced to fault location, in which the fault character is not the steady signal but the transient signal

    本文在中性點不同接地方式下,研究和分析了線路序故障特徵量的穩態和暫態特點,主要從處理的角度,提出將小波分析理論和人工神經網路原理運用到故障定,將基於穩態的定原理轉移到基於故障特徵量暫態的定原理。
  15. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時,直接穿過干涉儀,僅發生強度的衰減,在兩個探測平面上產生幅度基本一致的灰度,通過差分放大器,相消為,從而抑制了背景干擾。當激光入射,穿過干涉儀時受到調制,在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀,兩路干涉條紋圖案出現相對移:在兩個探測平面對應的置上,一路出現亮紋,另一路出現暗紋。
  16. The first five columns of this table use traditional sql data types to track information about each item for sale, including its id number, brand name, item name, stock keeping unit, and suggested retail price

    這個表的前5列使用傳統sql數據類型來保存每件商品的銷售息,包括它的id、品牌名、商品名、庫存單( sku )和建議的售價( srp ) 。
  17. In this paper, based on the study of single channel deconvolution, we made a research in double channel deconvolution. there are three cases when we find its results by dfs algorithm. the first is that z transform expression of results have no polar on the identity circularity. the second is that denominator have zero on it while molecular have zero to counteract. the third is that z transform expression of results have polar on it, which is well known that deconvolution kernel has no spectral inverse

    本文在對雙通道卷積反演求解時採用較為簡便的dfs演算法,在求解過程中會遇到的三類情況,第一類是解的z變換表達式在單圓上無極點,第二類是z變換表達式分母有點但分子有相應的點作抵消,第三類是z變換表達式在單圓上有極點(即稱之為卷積核無譜逆) 。
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