頻率空間 的英文怎麼說

中文拼音 [bīnkōngjiān]
頻率空間 英文
frequency space
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 頻率 : frequency; rate
  • 空間 : space; enclosure; room; blank; interspace
  1. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環的盲波束形成演算法對循環誤差cfe ( cyclicfrequencyerror )很敏感而導致演算法性能下降的情況,參照文獻[ 6 ]提出的遺忘因子cab演算法,提出了c - cab演算法以及基於特徵的盲波束形成演算法( ecab )的改進演算法。
  2. It is a rather well - known fact that bank - slope deformation and failure result from the coupling of earth ' s endogenic and exogenic geological processes, in which different dynamic - force factor has a different correlation to the evolution of bank - slope

    摘要河谷岸坡的變形與破壞是地球內外動力耦合作用的結果,並且每一種動力地質作用對于岸坡變形失穩的貢獻程度不同,造成岸坡變形破壞和規模的差異。
  3. It includes topics such as spatial frequency filtering, holography.

    它包括濾光、全息攝影。
  4. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振差來測量載體對于慣性的轉速和方位。
  5. Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time

    基於ti公司的tms320f240控制晶元,介紹了對稱電壓矢量硬體設計和軟體設計,採用tms320f240設計了一款用於電機變調速的數字控制器,該控制器上設計有鍵盤和led顯示,可以設定和動態顯示電機運行
  6. ( 5 ) method of bandwidth compression of holographic grating based on discrete spectrum and realization of a 1 / 8 bandwidth compression of holographic grating ( 6 ) holographic stereogram display that can be implemented using cgh and imaging process through capturing sequence parallax images based on result of computed basis fringe

    採用域的子采樣,計算了一個8倍的條紋函數壓縮編碼結果,並給出了簡單易行的解碼方式。 6 、利用獲得的基本條紋函數合成了一個基於序列視差圖像的立體圖顯示,實現了三維數據未知的物體的三維全息顯示。
  7. While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave

    由兩個(或兩個以上)、振動方向相同、相位相同或相位差恆定的電磁波在疊加時,合成波振幅為各個波的振幅的矢量和。
  8. The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency

    通過從運行時和佔用等方面比較在定點dsp上實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算精度的前提下達到計算的快速性,實現低諧波和控制精度高的輸出電壓。
  9. In this thesis, the concept of " fractal " and the recursive algorithm of fractal structure are depicted. the wavelength - independent character of archimedean spiral antenna and the space filled property of koch monopole are analyzed by the method of moment

    本文介紹了分形的基本概念和分形結構的迭代演算法,採用矩量法分析了阿基米德螺旋天線的無關特性和koch單極天線的填充特性。
  10. Frequency and spatial coding of auditory information in auditory cortex and inferior colliculus was studied in this research

    本報告以蝙蝠為實驗動物,對聽皮層和中腦下丘對聽覺信息的的編碼進行了研究。
  11. In the fourth chapter, firstly, the fsk / psk signal function is presented, then, the signal which frequency and phase are modulated by costas code and barker code for each are analyzed at the same time. after that, the target returns and clutter returns are analyzed and modeled. at last, both of the time correlation characteristics and space correlation characteristics are theoretically analyzed

    在第四章中,首先給出fsk / psk信號的表達式,並對一種分別採用costas碼和barker碼進行和相位調制的fsk / psk信號進行分析,然後對fsk / psk信號的目標回波和雜亂回波進行分析與建模,接著,對雜波信號的時相關性和相關性進行理論分析,由分析結果可知, fsk / psk雷達雜波的時相關性不變、相關性增強。
  12. The motion - based layered compression scheme in this dissertation is different from the traditional full picture - process method, using different encoding strategy by classify marcoblock in temporal motion, a high encoding efficiency is achieved in experiment

    本文提出的基於運動的分級壓縮演算法,打破了以往時伸縮全幀處理的概念,實驗中以塊為單位按時分等級,分別採用不同的編碼策略,達到較好的編碼效
  13. In this paper, a " step - by - step " recursive 3 - d frequency - space wed scheme is presented to deal with real data

    本文採用三維頻率空間域有限差分波場延拓運算元以「逐步累加」的方式實現了三維波動方程基準面校正,並對實際數據進行了處理。
  14. In the wavefield - spread area, we uses the phase - shift operator as constraint in frequency - wavenumber field, while beyond the wavefield - spread data, we uses zero point at the ends of phase - shift operator as constraint to take discrete smooth interpolation so that the resulted operator satisfies two - order smooth and the length of this operator can be selected shorter in frequency - space field

    通過離散光滑插值法,在波數域中,以傳播區內的相移運算元為約束,在傳播區外的運算元兩端處以零點為約束,進行離散光滑插值,使得所得運算元具有二階光滑可導性,則其對應的頻率空間域中的運算元就可以取得很短。
  15. Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency - space domain, fourier finite difference operator in mixing domain ( frequency - space and frequency - wavenumber domain ) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability. thirdly, author, applies the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) in frequency - wavenumber domain, to the prestack and poststack forward modeling and depth migration

    第二,從平方根運算元的近似展開出發對?域的有限差分運算元、混合域(?域;?波數域)的fourier有限差分運算元、混合域的廣義屏運算元進行了推導並對其波場描述精度、對橫向變速的適應性、計算效和穩定性進行了比較與評述。
  16. In explicit depth extrapolation method of frequency - space fields, wavefield depth extrapolation is completed with convolution of short explicit difference operators and the wavefield

    摘要在頻率空間域顯式疊前深度偏移中,波場深度延拓是通過顯式差分短運算元與波場的褶積完成的。
  17. So our new method uses the wavelets to decompose sttf data to different scale ( frequency ) spaces and predicts each scale space separately. for the sake of better prediction of large - scale data, we suggest to use the wavelets that have better smooth property

    鑒於此,我們提出用小波( wavelet )將短時交通流數據分解到不同尺度(,再在各尺度分別進行預測,將預測的結構綜合得到原流量序列的預測值的方法。
  18. This energy can be used to balance the polarities of the planet - and help move consciousness from third dimension to higher frequencies of light and love

    這股能量常常能夠用來平衡行星地球能量極性-和有助於把意識從第三維移到光和愛的更高的頻率空間
  19. The law of permeability changes of different frequency range was studied during the wire rope fatigue test

    研究了鋼絲繩彎曲疲勞歷程中,磁導在不同的變化規律。
  20. In this paper, we propose several techniques to improve heterogeneous transcoding performance, which is transcoding from mpeg - 2 to mpeg sp @ ml. bit - rate, frame rate and spatial resolution transcoding are all studied here. first, we compared the difference between mpeg - 2 and mpeg - 4

    本文以mpeg標準流轉碼為背景,主要研究了mpeg - 2到mpeg - 4sp @ ml (簡單框架主級, simpleprofile @ mainlevel )的轉換編碼,其中包含了碼解析度和時解析度轉碼的內容。
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