相位起伏 的英文怎麼說

中文拼音 [xiāngwèiqǐfú]
相位起伏 英文
phase fluctuation
  • 相 : 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...
  • 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...
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 伏 : Ⅰ動詞1 （身體向前靠在物體上; 趴） bend over; lie prostrate 2 （低下去） subside; go down 3 （隱藏...
  • 相位 : phase position; phase
  • 起伏 : rise and fall; ups and downs; heave rolling; undulate; fluctuate
  1. Part iiilegal issues upon the reform of toll and tax in countryside this part is concentrated to show six problems that the reform of toll and tax in countryside is to be up against and is to be peremptorily settled as following : the first one, in the confirming of agricultural tax, it is very difficult to protect the farmer ' s rights fairly because of unscientific of the evidence at assessment, highly of tax rate, and the absence of law and statute correlatively ; the second one, on the tax levying, there lack of legal systems that is to supervise and run, especially lack of law and statute which lead to collect agricultural special tax canonically ; the third one, the reform of toll and tax in countryside extrudes unbalance burden among farmers and countries, and lead to unevenly between subject of tax payment, which breaches the legal rule of balanceable tax ; the fourth one, the reform of toll and tax in countryside faces the danger that farmers " burden tends to rebound because of weakly carry through legal rule on tax statutory and absent of law and statute correlatively ; the fifth one, the reform of toll and tax in countryside affects the finance and revenue - expenditure auditing of the grass roots and father affects the grass roots to raise fee upon public construction and education, as a result, there ' s more charge that is out of law, the monocracy of grass roots " finance ought to be carry out ; the sixth one, legal measures connect with the reform of toll and tax in countryside in dire need of to be built, which mainly conclude legal system that adjust country social security, country compulsory education and country debt

    第三部分? ?農村稅費改革的法律課題集中展示了農村稅費改革所面臨且亟待解決的六大法律問題。即：其一，在確定農業稅上，計稅依據不科學、稅率偏高、相關法律規范缺失，無法平等保護農民的合法權益；其二，在農村稅收的徵收上，缺乏行之有效的法律監督和運行機制，尤其是農業特產稅的徵收缺乏保障據實徵收的法律規范;其三，稅費改革凸顯農民之間、農村之間的負擔不均，使納稅主體的權利義務失衡，有悖稅負均衡的法律原則;其四，由於稅收法定主義沒有得到有效貫徹，規制農民負擔反彈方面的法律法規缺位，致使農村稅費改革潛伏著農民負擔反彈的風險;其五，稅費改革影響基層組織的財政收支，進而影響鄉村公益事業建設及教育經費的籌措，引發稅外亂收費沉渣泛起，基層財政體製法治化勢在必行;其六，與稅費改革相關的配套法律措施巫待構建，主要是農村社會保障法律體系、鄉村義務教育和鄉村債務疏導的法律支撐魚待構建與完善。第四部分一一農村稅費改革與相關法律制度的構建基於上一部分提出的法律問題，力圖構築農村稅費改革的法律框架並提出相應對策。
  2. 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，電離層引起的相位起伏對成像影響較大，校正後可得到比較滿意的結果。
  3. According to the markov approximation under a long haul condition, we get the inter - correlation function, log - amplitude and phase covariance function. the thesis puts much emphasis on three phenomenon of the laser under the effects of turbulence, i. e., intensity fluctuation ( atmosphere glistening ), beam floating and extension, phase fluctuation

    重點介紹湍流作用下的激光的三種物理現象及其產生機理，即強度起伏（大氣閃爍） ，光束漂移和擴展，相位起伏和到達角起伏。
  4. Laser - controlled ground leveling technology is the combination of normal ground leveling technology and laser control technology. the leveling shovel is driven by a tractor and its rising and dropping is controlled by automatic electric system, so the shovel will always operate in the same level. this leveling system also can be installed together with bulldozer and forklift

    激光控制土地平整技術是高科技激光控制技術與常規機械平地技術相結合的土地平整新技術，是由拖拉機帶動平地鏟，對土地進行平整，它的電控系統是對鏟土機的升降實時調整的自動控制技術，是鏟土機始終在同一水平面工作，該系統還可以安裝在推土機、鏟車上，可以廣泛地應用於新建公路、廣場、運動場以及房屋基地的平整，對于起伏不大的場地可以一次性平整到位，大大提高了生產效率和土地平整精度。
  5. Experimental results show it can find the rough toa range in order to lessen the computation burden, while getting rid of glints and disturbing components attached to the phase difference signals, the paper suggests a data compression procedure combined with dynamic smoothing

    為了減小擬合計算量並盡量濾除疊加在相位差序列上的干擾起伏，採用了數據壓縮結合滑動平均的預處理方法，並對該方法的正確性和有效性進行了方差分析驗證。
  6. Then the filter model is deduced to describe the intensity fluctuation induced by xpm in dispersion managed systems. according to this model, optimal dispersion management schemes are got

    其次從理論上推導了在色散管理系統中由於交叉相位調制與色散互作用引起的脈沖強度起伏的濾波器模型，根據此模型得到了系統的優化色散補償方案。
  7. We have designed a new type of ijf code to reduce the envelope fluctuation, and have also got the reduced envelope fluctuation ijf - oqpsk. it has faster roll off of the power spectrum and lower energy of band out

    本文設計了一種能夠抑制包絡起伏型的ijf信號碼型，並相應地得到了抑制包絡起伏型的ijf ? oqpsk ，它具有更快的功率譜滾降特性和更好的相位路徑。
  8. The reasons focusing only on ray travel times are " noise tolerance could be enhanced and the sensitivity to the environment model mismatch may be reduced by neglecting amplitude information ; phase ambiguity is eliminated by employing the group delay of arriving wave packets ; travel times are pseudo - linear functions of sound speed profiles of the medium, and the perturbation of ray travel time is much smaller than sound pressure ' s

    之所以選擇聲傳播時間的原因是：噪聲容限可以得到提高，並且傳播時間的計算可以不考慮聲壓的信息，從而降低了對環境模型失配的敏感性；相位的起伏也可通過到達包絡的群延時來消除；傳播時間是介質聲速分佈的偽線性函數並且傳播時間的起伏遠小於聲壓的起伏。
  9. To correct these effects, two methods were introduced in this paper : using weighted function to constrain second phase error caused by dispersion, and utilizing pga algorithm to reduce the phase perturbation due to the irregularities of the ionosphere

    本論文介紹了兩種校正方法：利用加權函數抑制色散效應引起的二次相位誤差，以及使用相位梯度自聚焦演算法較正由電離層的不規則性引起的信號相位起伏。
  10. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了電離層的三種影響：信號經過電離層傳播的群延遲引起的成像偏移；電離層的色散效應給線性調頻信號帶來二次相位誤差，導致圖像退化、失真；以及電離層的閃爍、湍流等不規則性引起的信號相位起伏。在此基礎上，比較分析了不同波段、帶寬條件下電離層的影響。
  11. The thesis mainly investigated the bati _ 4o _ 9 ( bt _ 4 ), which has the lowest dielectric loss in ba - ti system, and ( ba, sr ) tio _ 3, the a position substitute compound of batio _ 3. the dielectric properties of bt _ 4 / bst with different preparation way and different elements doping were investigated. a archimedes method, xrd, sem, impedance analyzer, network analyzer and hakki - coleman method were used to investigate the density, phase formation, microstructure, dielectric properties and doping mechanisms

    本論文以在ba - ti系中具有最低介電損耗的bati _ 4o _ 9 （ bt _ 4 ）高頻介質陶瓷和batio _ 3a位sr取代而得的（ ba ， sr ） tio _ 3 （ bst ）高頻介質陶瓷作為研究對象，對不同粉體制備方法制備的bt _ 4 / bst高頻電介質材料進行不同元素的摻雜，運用阿基米德方法， x射線衍射分析儀，掃描電子顯微鏡和阻抗分析儀，網路分析儀， hakki - coleman法等方法手段和測試儀器測試燒成樣品的密度，相組成情況，微觀結構和介電性能，探討造成介電性能起伏的形成機理。
  12. Various turbulence conditions, ranging from weak to strong, are considered as well as the dependence on turbulence strength, propagation length, wavelength, and the inner scales of turbulence are presented

    計算結果表明，相位不連續點的數目不僅與描述光強起伏量的大氣湍流強度、傳輸路徑長度和傳輸光的波長有關，而且還與湍流的內尺度有關。
  13. Its arnplit ' ude and phase preserve peotation, single measurement or limited measurements could n ' t present the real character of sound field, so it will be more difficult to localize a source by matched field processing or get high accuracy of source localizaion

    而聲壓是一個隨機量，幅度和相位存在起伏，單次測量或少量有限次測量不能完整表達聲場特性，這就很難準確進行匹配場聲源定位，其精度得不到保證。
  14. By using these principles, the formulae of estimated spatial signal are derived. the physical meaning and the geometric interpretation of these principles are given. the performances of estimated signal are analyzed when the phase of expected signal and the amplitude of noise are fluctuant

    提出了三元陣及多元陣的信號相位匹配原理，推導了利用信號相位匹配原理的空間信號估計公式，給出了信號相位匹配原理的物理意義及幾何解釋，分析了信號相位和噪聲幅度起伏對信號估計性能的影響。
  15. Since the effects of turbulent atmosphere is prominent, this thesis concentrates on the effects of the turbulent atmosphere on the laser beam propagation in the atmosphere. the atmosphere refractive index model, especially refractive index fluctuation, power spectrum, phase spatial structure constant are introduced in the following and the specific structure function is achieved

    根據大氣折射率模型，以及折射率起伏功率譜密度和相位空間結構常數，得到具體的結構函數；通過長程情況下的馬爾科夫近似，得到了互相關函數，對數振幅和相位協方差函數。
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