正相位 的英文怎麼說

中文拼音 [zhēngxiāngwèi]
正相位 英文
plus phase, positive phase
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 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...
  • 相位 : phase position; phase
  1. Analysis the cause of channel disaccord of gain and phase, give four methods of gain and phase calibration, computer simulation illustrate the that the methods are effective. in the chapter 4, the basic relation of phase interferometer of one dimension, two dimensions, and the measurement accuracy and the approach of solving the phase ambiguity in the phase interferometers have been discussed in detail

    第四章對干涉儀進行了較為詳細和系統的研究,給出一維干涉儀的基本關系式,分析了五通道干涉儀測向定演算法及其性能指標,對解模糊問題進行了探討,在ccss中模擬了測向演算法,模擬結果證明了演算法的確性。
  2. Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm

    第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計,這些模塊包括:上下變頻器、奈奎斯特濾波器、信號到達檢測、插值模塊、通用環路、各環路誤差提取方法、初始和tcm編譯碼。
  3. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖環路工作的影響並根據流星通信中使用變速率傳輸時鎖環路的載波同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的跟蹤。
  4. My father, who never goes out, has several times been on the point of refusing this invitation ; madame de villefort, on the contrary, is burning with the desire of seeing this extraordinary nabob in his own house, therefore, she has with great difficulty prevailed on my father to accompany her

    我的父親從來不出門,他幾次都想謝絕這個邀請。維爾福夫人卻反,她特別想去看看這奇怪富翁家裡的情形,費了老大的勁兒才說服我的父親陪她一起去。不,不!
  5. Further more, the coherence between circulation and olr are calculated and analyzed. the results show that there is positive correlation between australian high and the precipitation of middle and low reaches of yangtze rivers, and negative correlation between okhotsk and the precipitation of middle and low reaches of yangtze rivers

    關分析得出,春季鄂霍次克海區與澳大利亞高壓區和長江中下游地區夏季olr值分別表現出較好的關和負關,表明這兩個地區勢高度場的變化與夏季長江中下游地區降水多少有著密切的關系。
  6. The exact position of the attachment of the xyloglucan to the pectic polysaccharide remains to be determined.

    葡聚糖與果膠多糖結合的置還有待于測定。
  7. Phase distortion correction

    失真校
  8. Internal bio - field tumor thermotherapy system : internal bio - field thermotherapy, in abbrevitation, uses two high frequency sources with different frequencies and phases to cross act human body. it is kind of therapeutic method which could heat the whole or locals with physical energy, without damages of normal tissue, while directly inducing apoptpsis of tumoe cells

    內生場熱療系統是採用兩組不同頻率的高頻源交叉作用於人體,利用物理能量加熱全身或局部,既不損傷常組織,又使腫瘤細胞凋亡的一種治療方法。
  9. There appears to be no real advantage in going for a treble phase advance network.

    這表明了三階超前網路沒有真的優越性。
  10. Two methods to realize phase controlling of ytterbium fiber amplifiers

    兩種方法實現對摻鐿光纖放大器的
  11. Based on an analysis of the major factors affecting the quality of data obtained in aeroelectromagnetic survey, this paper has put forward zero horizontal drift correction methods such as field value standardization and phase check and correction, studied and developed a suite of techniques suited to data - processing and graphical representation for aeroelectromagnetic method

    摘要在分析探討影響航空電磁測量數據質理主要因素的基礎上,提出了場值標定,校驗改等零水平漂移改方法,研究開發了一套適合航空電磁法數據處理與圖示的方法技術。
  12. Such lensed fiber endfaces correct for the phase front mismatch between the curved laser beam wave front and the planar fiber beam

    它們的作用是修激光光束波前和從光纖出來光束之間的失匹。
  13. The simulation results show that, image will be severely degraded by phase fluctuations at typical conditions of the ionosphere, and can be well focused after calibration

    模擬結果表明,電離層引起的起伏對成像影響較大,校後可得到比較滿意的結果。
  14. Firstly, the principle of gps kinematical carrier phase measurement positioning is introduced concisely. the mathematical mode of gps carrier phase measurement absolution positioning is discussed and provided. a way to obtain the difference between the true location and the estimated location is proposed

    論文首先介紹了gps動態載波測量定原理,討論了動態載波測量絕對定的數學模型,給出了一種求解接收機所在置改數的方法。
  15. The localization and expression of prolactin receptor from inner mongolia alpas cashmere goat were studied by sacpic staining, in situ hybridization and western blotting. samples of skin were taken at interval three months from birth, three months old, six months old, nine months old, ten months old or twelve months old, which correspond to summer, autumn, winter and spring. paraffin sections of hair follicles were stained with sacpic staining and in situ hybridization. the protein of prolatin receptor is abstracted from samples of skin in order to study on expression of prolactin receptor. there are prolactin receptors in outer root sheath, dermal papilla and inner root sheath. the growth of primary follicle is continuous

    本實驗從絨山羊出生后每隔三個月采一次皮樣,共分為4個月齡( 3 、 6 、 9 、 10或12 )段,通過製作石蠟切片,原雜交、染色,並提取皮樣蛋白做westernblotting等實驗研究方法,研究了催乳素受體mrna催乳素受體在不同生長季節的內蒙古阿爾巴斯白絨山羊皮膚毛囊中的定與表達,染色結果發現阿爾巴斯白絨山羊初級毛囊全年持續生長,次級毛囊的生長情況隨季節而變化,秋冬季生長旺盛,夏季生長緩慢與絨毛生成規律呈關。
  16. The thesis reviews the theory which is the basis of synthetic aperture processing and introduces five algorithms of image reconstruction : the coherent addition provides a good opportunity for the real time sas ; the envelope processing can work when sonar echo returns lack phase coherence ; the i - q processing can reduce the sampling rate ; the broadband and ctfm processing are both aimed to increase the sas mapping rate

    討論了用於重構圖象的五種演算法,包括簡單的可進行實時處理的關合成法,可以在缺乏信息時使用的包絡處理法,可以降低采樣率、減少運算量、存儲量的交處理法,可以提高聲納運行速度,從而提高成象率的寬帶處理法和ctfm法等五種演算法。
  17. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖環的工作原理和基本組成部分,包括鎖環的設計和環路濾波器的設計,特別詳述了電荷泵鎖頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  18. When the nopa was operated at amplification, the epr states with amplitude - quadrature correlation and phase - quadrature anticorrelation were generated firstly in 1999. the product of the amplitude and phase quadrature correlation degrees was 0. 727 0. 004 < 1 ; after the laser source was reconstructed, the epr beams with amplitude - quadrature anticorrelation and phase quadrature correlation were obtained in 2001 and the product of the correlation degrees was 0. 332 0. 003 when the nopa was operated at deamplification. 2

    參量放大過程產生的糾纏光束具有交振幅關聯、反關聯的特性,乘積關聯度為0 . 727 0 . 004 1 ;改進光源后,利用參量反放大( deamplification )過程產生了交振幅反關聯、關聯的明亮epr糾纏光束,乘積關聯度達到0 . 332 0 . 003 1 。
  19. After analysising three existed methods for phase difference correction on discrete spectrum, it is recommended to correct the spectrum containing small noise in engineer practice by the first phase difference correcting method ( performing fft analysis on two continuous original sequence ) with harming window

    綜合分析現有三種離散頻譜差校方法,推薦在小噪聲工程實際中加hanning窗的第一種差法(采連續兩段信號作同點數fft的差校法)進行校
  20. Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected

    在研究時域平移的離散頻譜差校方法和改變窗長離散頻譜差校方法的基礎上,發現這幾種離散頻譜差校法的基本原理是一致的,就是通過時移和加不同的對稱窗進行兩次fft分析,並利用離散頻譜對應峰值譜線的差以求得頻率和量。
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