極大波 的英文怎麼說

中文拼音 [jídàbō]
極大波 英文
maximum wave
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  1. Crisis jeopardizes national politics and economy in the matter of its outburst, graveness, influence and aftereffect

    摘要危機由於其突發性、嚴重性、影響性和餘波性，對于國家政治、經濟危害極大。
  2. Electrodynamic shakers are used in most cases because they can operate over a broad frequency range with accurately controlled waveform.

    極大多數的情況下應用電動振動臺，因為它能在一定廣的頻率范圍內工作並且能準確地控制波形。
  3. The electromagnetic spectrum covers an enormous range of frequencies and energies.

    電磁波譜包括極大的頻率和能量范圍。
  4. I had often stood on the banks of the concord, watching the lapse of the current, an emblem of all progress, following the same law with the system, with time, and all that is made ; the weeds at the bottom gently bending down the stream, shaken by the watery wind, still planted where their seeds had sunk, but erelong to die and go down likewise ; the shining pebbles, not yet anxious to better their condition, the chips and weeds, and occasional logs and stems of trees that floated past, fulfilling their fate, were objects of singular interest to me, and at last i resolved to launch myself on its bosom and float whither it would bear me

    我常站在康科德河的岸邊，望著逝去的流水- - -它是一切過程的象徵，和宇宙，和時間及一切造物受同一法則的支配；那河底的水草隨著水流輕柔地彎曲，彷彿受到水底清風的吹拂，此刻還在水底紮根，但不久后就會凋零並隨波濤逝去；那閃亮的鵝卵石- - -它們還不急著尋找更好的去處，那砂石碎屑、藤蔓野草，和那偶爾從水面漂過、奔向命運盡頭的圓木、樹干，都使我產生了極大的興趣，我最終決定泛舟于康科德河的胸膛之上，隨它將我載去任何地方。
  5. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史，可以稱得上波瀾壯闊：一方面，從古希臘時代的歐氏綜合幾何，到近代解析幾何等多種幾何的發展，以及用變換的方法處理幾何的埃爾朗根綱領，到20世紀拓撲學、高維空間理論等幾何學的新發展，這一切都在不斷豐富人們對幾何學的認識；另一方面，從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系，到羅巴切夫斯基非歐幾何的發現，以及希爾伯特形式公理體系的建立，極大地發展了公理化思想方法，不管是幾何學的內容還是方法都發生了質的飛躍。
  6. Using the way combining the mathematic morphology top - hat and gauss matched filtering can effectively reduce the influence of the inherent fovea and the marginal noise brought forth by the retinal camera caliber in retinal image and increase the precision of retinal image segmentation and feature point extraction

    文中提出了採用灰度數學形態學中的top - hat變換和高斯匹配濾波相結合的方法，用來有效的降低視網膜熒光圖像中固有的小窩現象及眼底照相機的口徑所引起的視網膜圖像邊界像素噪聲，極大的提高了圖像分割及特徵提取的精度。
  7. The most outstanding function of this wheelchair is its height which can be regulated with user ' s requirements. this function helps expand the user ' s available space, supplement the user ' s body defect and reduce the caregiver ' s burden. it get more improved than previous products. besides, the wheelchair has designed both manual and eletric mode. on one hand, it can save user ' s energy and power, on the other hand it won ' t leave users hopeless in case of powering off and relieve the user ' s worriness. in addition, the bigger basket on the tail part of the wheelchair provides the great convenience for user ' s carrying goods. multiangular back and height - regulated pedal add comfortableness to users. the minidesk with the wheelchair is very convenient for users to read, write and do other things

    本設計的多功能輪椅最突出的一個功能就是座位的高度可以根據使用者的需求隨意進行調節，這樣就可以大大擴展使用者的操作空間，補充了使用者在身體上的缺陷，也可以減輕照顧人員的工作負擔，比起以前的產品有了較明顯的改進；其他功能還有輪椅的手動電動兩種驅動方式，這樣可以解決老年人和殘疾人在體力上存在的問題，同時在外出時遇上沒電的情況也不至於顯得無能無力，消除了使使用者在長途奔波時的顧慮；此外位於輪椅尾部的超大儲物筐，給使用者攜帶物品帶來了極大的方便，靠背的多角度調節，腳踏板的高度調節大大增加了使用者的使用舒適度，輪椅上小桌的設計給使用者讀書，寫字，進行其他活動帶來了極大的方便。
  8. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。
  9. Analysis of the vibration and extreme strength of very large pontoon under extreme wave loads

    極值波浪作用下大型浮碼頭振動與極限強度分析
  10. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法；重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗，闡述了其基本原理和通過閾值化處理實現濾波的具體方法；探討了用小波變換進行故障特徵提取的原理，說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  11. In coast and offshore engineering, the safety of the structures whose superstructures located in the splash zone such as piled wharves, shore trestles, oil drilling platforms, etc, have great relation to wave slamming

    在海岸和近海工程中，近海採油平臺、樁基碼頭和海上棧橋等上部結構位於浪濺區的建築物的安全與波浪沖擊作用關系極大。
  12. It is found that, under large cross - correlation intensity, a succussive switch process ( i. e. " on " " off " " on ", which we call reentrance transition or twice switch ) is occurred with the increasing of noise intensities, and there exists a critical noise intensity at which the mfpt of the switch process is the largest

    此時的mfpt隨著這些波動的強度的變化也不再是單調的，而是出現了一個極大值。由於這個極大值的出現，使得隨著波動性的增強會出現一個「雙開關」現象：基因的狀態由「開」到「關」 ，然後又回到「開」 。
  13. Theta waves are next in frequency below alpha waves and are associated with the subconscious, the boundary zone between the conscious and unconscious minds, the home of various memories, sensations, and emotions that may be inaccessible to our conscious minds but nonetheless deeply affect our attitudes, beliefs, and behaviors

    波的頻率低於波，它跟潛意識相關。潛意識是意識與無意識之間的臨界區，儲存極大量的記憶感覺和情緒，是意識所不知的，卻深深影響我們的態度信念與行為。
  14. Frequency - hopping ( fh ) is a novel spread spectrum communication technique, which develops very fast in military field due to its lpi / lpd ( low probability of intercept / detection ) properties and immunity against interferences, the extensive application of hf ( high frequency ) frequency - hopping radios in military has greatly enhanced the ability of military equipments against jamming and interception and brought up a new austere challenge for communication countermeasures

    跳頻通信具有良好的抗干擾性，低截獲概率及組網能力，因此跳頻技術的一出現，便在軍事領域得到了極大的發展，採用跳頻技術的短波電臺在軍事通信中得到了廣泛應用，極大地提高了軍事裝備的抗截獲和抗干擾能力，向通信對抗提出了嚴峻的挑戰。
  15. The famous mallat decomposition algorithm is applied. the correlations between the neighboring wavelet transform coefficients are utilized to restrain noises and the local maxima of the coefficients provide information of image boundaries

    並利用相鄰尺度間小波系數的相關性和一種非線性函數進行噪聲抑制，同時利用小波系數的模極大值來提取邊緣點。
  16. Abstract : based on the iterative bit - filling procedure, a computationally efficient bit and power allocation algorithm is presented. the algorithm improves the conventional bit - filling algorithms by maintaining only a subset of subcarriers for computation in each iteration, which reduces the complexity without any performance degradation. moreover, a modified algorithm with even lower complexity is developed, and equal power allocation is introduced as an initial allocation to accelerate its convergence. simulation results show that the modified algorithm achieves a considerable complexity reduction while causing only a minor drop in performance

    文摘:基於迭代的比特和功率分配機制，提出了一種低復雜度的比特和功率分配演算法.與傳統的迭代分配演算法不同，該演算法在每次迭代中只需要比較幾個特定的子載波.該方法在保持傳統迭代演算法性能的前提下極大地減小了迭代分配演算法的復雜度.此外，通過選擇等功率分配方案作為初始方案加快了演算法的收斂速度，進一步降低了演算法復雜度.模擬結果表明，提出的改進演算法在基本不犧牲系統性能的前提下有效地降低了演算法復雜度
  17. The paper analyses the advantages and disadvantages of a large number of harmonic analysis methods and puts forward to a new algorithm in order to improve precision of fft, which is plural list and interpolating windowed split - radix fft ( srfft ). the simulating result shows that the algorithm can meet precision of harmonic parameters

    為了提高fft的精度，本文在分析目前國內外各種諧波分析及測量方法利弊的基礎上，提出了利用復序列加窗插值分裂基快速傅立葉變換（ srfft ） 。該演算法能極大地提高fft計算的精度，從而滿足諧波測量中對諧波參數的精度要求。
  18. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  19. From the study results it is showed that turret hole position near the forward of the midship has less effect to the ship girder strength and it is more reasonable using probabilty statistics method to estimate the extreme value of wave bending moment, by which the first approximate value of hull midship section modulus can be determined

    研究結果表明：轉塔開孔位置在舯前附近對船體總強度影響不大；波浪彎矩極值用概率統計方法估算更為合理；船體結構剖面模數的第一近似值可用波浪彎矩設計極值等來確定。
  20. The innovative idea of the method is in that the analytic ability for high - frequency signals of wavelet packet is used to enhance information capacity. because the human vision is insensitive to high - frequency signals, one can make information of watermark mass and hightensile in the high - frequency domain. in this way, not only the quality of original image can be reserved, but also the robustness of the watermark improved

    其創新點就在於利用小波包對高頻信號進一步分解的能力，極大地拓展了信息嵌入的空間，由於人眼視覺對高頻信號的不敏感性，可以以較大的強度在高頻部分嵌入水印，這樣不但可以保證原圖質量，而且可以進?步提高水印的頑健性。
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