back of wave 中文意思是什麼

back of wave 解釋
波背
  • back : n 1 背,背部;背脊;背面,反面;背後,後部,後面,裏面。2 (指)甲;(刀)背;(手)背;(書)背...
  • of : OF =Old French 古法語。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  1. However, the radio wave can then reflect back of the earth and become refracted again to return earthwards once more. this can sometimes occur a number of times with little attenuation but some fading

    在雷達探測中可以利用此方法,初步確定雷達回波中哪個地區會出現陷獲折射回波,為進一步分析從雷達回波反演大氣層結提供了可能。
  2. A number of these projects have influenced the development of the extreme sports milieu. a selection of these influential events includes : the eddie aikau big wave invitational series at waimea bay ; the ground - breaking 1995 quiksilver pro at g - land, indonesia, that put hardcore credibility back into professional surfing events the best surfers in the best waves ; the world amateur surfing championships at newquay england, 1986 ; the quiksilver snowboarding and surfing cup in europe ; the quiksilver roxy pro at sunset beach, north shore, oahu ; the quiksilver winter classic surf snow event ; the quiksilver mavericks big wave event ; the roxy surf jam at hanalei and ventura, the quiksilveredition molokai to oahu paddleboard race

    這些具有影響力的活動包括:在waimea灣舉行的eddie aikau big wave邀請賽系列1995年在印度尼西亞g - land舉行的極具震撼性的quiksilver職業賽,它將艱難的比賽環境重新置於職業沖浪活動中在最好的浪上誕生最好的沖浪手1986年在英格蘭newquay舉行的世界業余沖浪錦標賽歐洲的quiksilver滑雪和沖浪杯賽在瓦胡島北岸的日落沙灘舉行的quiksilver roxy職業賽quiksilver冬季古典沖浪滑雪活動quiksilver mavericks big wave比賽在哈納雷hanalei和文托拉ventura進行的roxy surf jam莫洛凱到瓦胡島的quiksilveredition槳葉式沖浪比賽。
  3. To compensate centimeter wave ' s shorting comings such as broad beam and short effective range, a transponder is added in the back of target automotive. this secondary radar measures range in the way of transponding

    為了彌補厘米波波束大、作用距離不如毫米波的缺點,系統在目標車輛的尾部增加了一級轉發器,以雙機應答的方式測量車距。
  4. At first, double random phase encoding techniques are looked back and its improved methods are introduced in detail. in connection with characteristics of spherical wave gene and function of phase mask, one random phase encoding techniques are proposed with spherical wave based on 4f system

    本文首先對雙隨機相位加密技術進行了回顧,並對它的一些改進方案的特點作了詳細介紹,並在此基礎上,根據球面波相位因子的特點和相位掩模在加解密中作用,提出了一種利用球面波照射4f系統的單隨機相位編碼加密的新方法。
  5. With the fleet development of mobile communication industry, the security and secrecy of information has been becoming more and more vital. nowadays, the security of communication is of great importance to confirm the safety of business information. on the situation that the mobile phone has been diffusely applied, the hidden safety troubles of mobile phone should not be ignored ( such as wire tapping, imitated handset station, blue teeth connection, in exchange with electromagnetic wave, the back door of handset, lost & stolen & lost control of mobile phone, safety of non - tone increment operation of mobile phone and cell phone virus )

    據統計,目前我國gsm網路[ 1 ] [ 13 ]已覆蓋全國絕大部分地區,用戶數已超過2 . 6億,並且還在高速增長;隨著手機應用的普及,手機存在的安全隱患及面臨的威脅日益突出(如主動竊聽、假冒機站、藍牙連接、電磁波交換、手機后門、手機被盜、丟失或短時失控、手機非話增值業務安全以及手機病毒等) ,手機安全問題已成為當前急需解決的重要問題。
  6. For instance, a few of the many subjective landmarks listed, ranging from mostly continuous beta brain waves to balanced awakened and evolved brain wave patterns include : difficulty stilling the mind ; an itchy, distractible, inattentive state ; a sensation of drifting off to or being pulled back from sleep ; intermittent, uninvited vivid flashes of imagery ; pleasant sensations of floating or lightness ; longer - lasting and clearer imagery ; feelings of loss of bodily boundaries ; very lucid states of consciousness ; feelings of deep satisfaction ; intense alertness, calmness, and detachment ; novel intuitive insight into problems ; sensations of being surrounded by light ; feelings of higher spiritual awareness ; experiences of bliss indefinable peace ; and a feeling of greater knowledge of the universe

    她詳列了許多主觀感受的指標,從多數是持續性的腦波到均衡的醒悟狀態及高度發展的腦波狀態都有,例如:不易平靜的心發癢分心不專注感覺從睡眠中被拉回間歇閃過鮮明圖像飄浮或輕飄飄的感覺持久的清晰圖像感覺失去身體界限意識清明狀態深深的滿足感高度敏覺平靜不執著解決問題的靈感直覺感覺被光所圍繞感覺高度靈性領悟充滿喜悅及說不出的詳和以及感受到對宇宙有更廣大的了解。
  7. At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed

    首先,在低速撞擊的條件下,基於準靜態hertz的理論與薩布斯基理論,分析了陶瓷破碎錐角的形成;其次,在中高速撞擊條件下,利用球面應力波反射迭加理論,分析了陶瓷背面的層裂的形成;最後,簡單討論了高速撞擊下陶瓷的破碎機理。
  8. For the bldcm which has a general crest width of the back - emf waveform, two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models. in addition, a comparison is carried out between these two conditions, which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value

    闡述了抑制齒槽轉矩措施對反電動勢波形的影響,利用無刷直流電機的數學模型推導並比較了任意平頂寬度梯形波反電動勢在正弦波和矩形波兩種電流驅動下的電磁轉矩脈動情況,得出在梯形波平頂寬度減小到一定數值后採用正弦電流驅動更有利於減小電磁轉矩脈動。
  9. The crosswell seismic data processing mainly consists of two aspects : one is crosswell tomography imaging processing, and another is crosswell back wave stacking imaging processing

    井間地震資料數據處理主要包括兩個方面:井間層析成像處理和井間反射波疊加成像處理兩大部分。
  10. Voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整正弦波;再用單片機組成反饋控制系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電源
  11. Abstract : voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    文摘:採用單片機控制雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調壓器;由於雙向可控硅過零觸發,所以其輸出是不失真的完整正弦波;再用單片機組成反饋控制系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電源
  12. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字時分割( pwm )脈寬調制技術,在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能,就是不計非線性負載回饋給電網的負的諧波電能,而採用基於數字時分割的基波交流參數測量的方法,真正實現了電能的合理計量。
  13. Arranged signal activating lock circuit and time - base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle, thus to improve the ratio of signal vs. noise and detective precision

    在超聲波接收電路中設有信號觸發鎖定電路和時基控制電路。實現以各探頭中最早收到的回波信號為本檢測單元的有效信號,有效提高信噪比和檢測精度; 4
  14. The experimental result shows that the pressure wave near the outside of the filter tubes attenuated fast in the back pulse jetting, and the pressure wave transited evenly in the filter after it went ayay from the wall of the filter tubes for some distance

    實驗結果表明,在脈沖反吹時濾管外附近區域的壓力波衰減較快,而離濾管壁一定距離后壓力波則在過濾器內均勻傳播。
  15. Bestowing a word of promise here and a smile there, a whisper on one happy slave and a wave of the hand on another, monseigneur affably passed through his rooms to the remote region of the circumference of truth. there, monseigneur turned, and came back again, and so in due course of time got himself shut up in his sanctuary by the chocolate sprites, and was seen no more

    大人對這邊作出個承諾,對那邊綻出個微笑,對這一個幸福的奴才耳語一句,對那一個奴才擺一擺手,和藹可親地穿過了幾道房間來到「真理邊緣」的遙遠地帶,又轉過身來,過了一會兒又讓他的巧克力精靈們把他關閉在內殿里。
  16. Relativistic back wave oscillator ( rbwo ) with a coaxial structure has a big power capacity of system. with large radius electron beam to decrease the space charge effects without usage of high current, hence the rbwo can work well at a lower axial guide magnetic field

    同軸返波管具有很大的功率容量,可以採用大半徑電子注,在工作電流不變的情況下空間電荷效應大幅度降低,因而可工作在低磁場狀態。
  17. This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave

    本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵,以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。
  18. Back in 1986, the beaches in southern districtwhich range from the wide, safe and sweeping sands of repulse bay to more exposed surf beaches such as big wave baywere not in great shape, and with rapid population growth in the area they had deteriorated further by 1990

    回想1986年,南區多個泳灘,包括灘頭廣闊平靜安全的淺水灣,以至空曠的滑浪勝地大浪灣等,水質情況都不太理想,而隨附近人口迅速增加, 1990年代泳灘環境更進一步惡化。
  19. Perfectly complementing her photo, which was placed at the back of the booth facing visitors. masters lecture videos were shown continuously on a tv screen while the fellow practitioners worked eagerly to accommodate visitors. all through the day the initiates got a warm reception from guests as wave after wave flowed in and out of the booth

    攤位的兩側置立了師父的復制畫心花不謝和山竹果,與攤位正後方的師父法相互相輝映,電視螢幕上師父的法音開示持續播放,加上大專同修的熱情宣揚,場面十分熱絡,一波波人潮湧進湧出。
  20. With a fluttery wave of the hand, she turned and made her way through the jungle of tables toward the back of the room.

    她揮了一揮胳膊就轉身,穿過許多參差不齊的桌子,朝房子后邊走去。
分享友人