零相 的英文怎麼說
中文拼音 [língxiāng]
零相
英文
phase zero-
Method of order tracking filtering of rotating machinery based on zero - phase distortion digital filtering with segmentation overlap
基於分段重疊零相位濾波的階比跟蹤濾波法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信號零相位階比跟蹤濾波Dephasing dual frequency survey antenna
零相位雙頻測量型天線Measurement of quartz crystal unit parameters - part 6 : measurement of drive level dependence
用型網路的零相位技術測量石英諧振器參數.第6部分:驅動級測量Iec444 - 2 - 1980. measurement of quartz crystal unit parameters by zero phase technique in a - network [ s ]
中華人明共和國電子工業推薦性部標準- 1989 .用型網路零相位法測量石英晶體元件參數[ s ]The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。X. mao, y. liu. null phase - shift polarization filtering for high frequency radar, ieee trans. aerospace and electronic systems, 2007. 7
毛興鵬，劉永坦，鄧維波.頻域零相移多凹口極化濾波，電子學報，錄用Measurement of quartz crystal unit parameters by zero phase technique in a - network ; part 2 : phase offset method for measurement of motional capacitance of quartz crystal units
用型網路的零相位技術測量石英諧振器參數.第2部分:測量石英諧振器的動態電容的相位偏離法30 mhz measurement of quartz crystal unit parameters by zero phase technique in a pi - network - part 4 : method for the measurement of the load resonance frequency fl, load resonance resistance rl and the calculation of other derived values of quartz crystal units, up to 30 mhz
用型網路的零相位法測量石英晶體元件參數.第4部分:石英晶體單元負荷諧振頻率fl負荷諧振電阻rl的測量方法及其他石英晶體元件導出值的計算方法Measurement of quartz crystal unit parameters by zero phase technique in a - network ; part 3 : basic method for the measurement of two - terminal parameters of quartz crystal units up to 200 mhz by phase technique in a w - network with compensation of the parallel capacitance c
在型網路中用零相位技術測量石英晶體單元參數.第3部分:在具有並聯電容c補償的w型網路中用相位技術測量頻率200mhz及以下石英晶體單元的二端參數的基本方法The low efficency arise from two factors : one is that we do n ' t understand multibody system as deep as possible, resting on " there are so many trees as one ca n ' t see the forest ". the other is that the algorism should hardly avoids void computing possiblly - - adding, minusing or multipling by zero, and ca n ' t reach the precision computing - - each computing is necessary, and the latter computing use the formal results as it can as as possible
計算效率不高的原因有二、一是對機械多體系統認識深刻程度不夠，停留在「只見樹木，不見森林」的層次上；二是演算法上應該竭力避免虛運算? ?與零相加減、與零相乘和重復運算等，但由於多體系統動力學的復雜性、強非線性和人們對其認識現有深度的不夠，故未能實現所謂的「精益運算」 ? ?每步運算皆為必須，且后續運算應盡能借用已有結果。Zero phase shift mirror
零相移面鏡A repetitive controller can be obtained by designing a zero phase shift low pass filter. with the help of digital signal processing and software tools, it is easy to design a satisfactory controller
該方法將控制器的設計轉化為零相移低通數字濾波器的設計問題，藉助于數字信號處理的理論和工具直接得到所需的控制器參數。In chapter 5, a simulation model to predict the diversity performance for the two - port antenna system with a given correlation coefficient has been developed
第五章對信號非零相關的雙埠天線的分集性能進行了模擬研究。Results obtained demonstrate that, due to the existence of zero - correlation - zone ( zcz ) of the go sequences, near ideal performance can still be achieved even when high speed radio environment is encountered. in addition, obvious interference mitigation as well as significant performance improvement can still be observed when the relative shifts of spreading sequences exceed zcz
研究表明，由於廣義正交序列零相關區（ zcz ）的存在，即使處于高速運動無線環境，仍然可以取得近似理想性能，即使序列偏移超出了零相關區，仍然對干擾有明顯的抑制作用，顯著提高系統性能。In this thesis, the zero correlation zone ( zcz ) or generalized orthogonal ( go ) sequences are applied to direct - sequence cdma ( ds - cdma ) systems, and the corresponding system performance are analysed. topics on the correlation property analysis of hadamard walsh ( wh ) sequences, go sequences, and loosely synchronous ( ls ) sequences are performed, and the system model and performance evaluation of single - cell and multi - cell synchronous cdma ( s - cdma ) systems employing go sequences, and the applications of go sequences in quasi - synchronous cdma ( qs - cdma ) systems are elaborated
本文研究了零相關區（ zcz ）或廣義正交（ go ）序列在直接序列碼分多址（ ds - cdma ）系統中的應用並給出了系統性能分析結果，包括hadamardwalsh （ wh ）序列集、廣義正交序列集與鬆散同步（ ls ）序列集相關特性分析，採用廣義正交序列的單小區與多小區同步cdma （ s - cdma ）系統模型與性能分析，以及廣義正交序列在準同步cdma （ qs - cdma ）系統中的應用等問題。In order to encode the parameters of sinusoidal model, the vector quantization techniques for amplitude parameters and the differential quantization for frequency parameters are proposed and discussed. at the same time, the frequency bin model, the random phase model and the zero phase model are also discussed
針對正弦模型參數的量化編碼，提出了幅度參數矢量量化、頻率參數差分量化等方法，並探討了頻率盒量化模型以及隨機相位和零相位模型等。For the feedforward controller design, zero error characteristic of the step response of system with zero phase error tracking controller ( zpetc ) is proved and its application is studied
對於前饋控制器設計，證明了零相位誤差跟蹤演算法在階躍輸入下的無差性並研究了該特性的應用。Measurement of quartz crystal unit parameters by zero phase technique in a pi - network - part 3 : basic method for the measurement of two - terminal parameters of quartz crystal units up to 200 mhz by phase technique in a pi - network with compensation of the parallel capacitance c0
用型網路的零相位技術測量石英晶體器件參數.第3部分:用並聯電容co補償的網路零相位技術測量最高可達200 mhz的石英晶體器件諧振器兩端參數的基本方法Zero - phase effect
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