色度相位 的英文怎麼說

中文拼音 [shǎidùxiāngwèi]
色度相位 英文
chrominance phase
  • 色 : 色名詞[口語] （顏色） colour
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 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...
  • 色度 : tone; chroma; chrominance; tinct; chromaticness; chromaticity; colourity色度測量 colour measureme...
  • 相位 : phase position; phase
  1. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短脈沖技術發生了革命性的變化，利用自相位調制和負群速度色散結合的類孤子產生方式，人們已經在鈦寶石鎖模激光器上得到了脈寬只有幾個飛秒的光脈沖。
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  3. There are three steps of the concrete process of the algorithm : initial localization, separating image and confirmation. firstly, single gaussian model is used to imitate skin - color distribution, meanwhile, skin probability images which is smoothly disposed using middle wave is calculated to attain the initial localization. secondly, in order to separate the latent face region, it uses multimodal information that includes the region growing 、 the hue and brightness 、 skin probability images etc. at last, it adopts the criterion of morphology analysis and face characteristic draw to confirm the latent region

    演算法的具體過程主要分為三個階段:人臉初定位、人臉分割和人臉確認，首先採用高斯模型來模擬膚色分佈並構造出膚色概率圖進行人臉的初定位，並對膚色概率圖採用中值濾波進行平滑處理，接著利用區域生長準則和融合色度、亮度以及膚色概率圖等多源信息相結合的方法對圖像進行分割，以達到分割出潛在臉區的目的，最後採用人臉整體形狀的確認準則和人臉特徵提取的確認準則相結合的方法對潛在臉區的最終確認。
  4. In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown

    本文認為，色度dc系數是魯棒性非常好的參數，因而選擇色度dc系數作為水印信息載體，同時，採用可變的步長選擇部分系數，保證了水印的隱形性；在嵌入水印時，本文採用水印信息「網格劃分」 、各子塊獨立嵌入視頻的方案，由於水印信息子塊是相對獨立的嵌入視頻中的每一相對獨立的圖組當中，即使某一圖組收到一定破壞，也能夠恢復水印信息，使水印的健壯性得到提高；此外，為了提高水印信息的安全性，在嵌入水印信息時，根據用戶輸入的id號和密碼，利用本文構造的混沌系統產生的混沌序列對水印信息進行變換，同時，對每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整，這樣，未授權用戶不能提取水印信息，也難以擦除其中的水印信息，因為嵌入的位置是未知的。
  5. The theoretical analysis and simulation show that the ssnr and the sksnr are equal to or greater than the original signal - to - noise ratio ( snr ), and that employing third order cumulant slices can effectively extract the mot - radiated quadratic phase dynamic coupling signals from asymmetrical distribution noise

    理論分析與模擬表明：切片信噪比、歪度信噪比總是大於相關信噪比；用該演算法十分有效地實現了二次相位耦合信號與非對稱分佈色噪聲的分離。
  6. The study based on self phase modulation mechanism and the effects of gvd on sc generation are mostly focused on by analyzing and calculating theoretically

    本文主要研究群速度色散對光纖中自相位調制效應sc譜展寬的影響，分析了產生sc譜的物理機制。
  7. In chapter 3, spatiotemporal instability of ultrashort pulses results from the interplay among diffraction, group - velocity dispersins and nonlinearity. we use the model proposed by brebec et al.,

    第三章：超短脈沖的時空不穩定性是衍射、群速度色散和自相位調制三者之間的相互作用導致的。
  8. The origin of supercontinuum ( sc ) generation in optical fibers has been conjectured to be the interplay between fiber nonlinearities ( self phase modulation, cross phase modulation and raman self scattering ) and group - velocity dispersion ( gvd )

    光纖中超連續supercontinuum （ sc ）譜的產生源於光纖中各種非線性效應（自相位調制效應、交叉相位調制效應，四波混頻效應及受激raman散射等）和群速度色散的共同作用。
  9. 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。
  10. The amplitude fluctuation and according system performance degradation induced by xpm is also studied through numerical simulation. the timing jitter caused by xpm can also have great impact on system performance. by employing lagrangian variational method and statistical method, the timing jitter caused by xpm in strong dispersion managed rz systems is studied in chapter 3

    通過模擬也研究了波分復用系統中由於交叉相位調制效應引起的幅度抖動從而導致系統性能的惡化；交叉相位調制引起的時間抖動對系統性能也有較大影響，利用拉格朗日變分方法和統計分析的方法，第三章討論了強色散管理歸零碼系統中交叉相位調制引起的時間抖動。
  11. They found that the gene for ldl receptor - related protein 6 ( lrp6 ) was present in that region of the chromosome

    研究發現，低密度脂蛋白受體相關蛋白6 （ lrp6 ）基因處于該染色體部位。
  12. It ’ s known from the transportation function that the dispersion can only influence the phase of optical pulse ’ s spectrum, which can be easily described by a frequency transfer function

    該方程表明:色散效應只會影響頻譜的相位，而對頻譜的強度分佈沒有影響，而且色散效應可以簡單的由傳遞函數表示出來。
  13. 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。
  14. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內，群速度色散效應導致的啁啾和自相位調制效應導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明：當非克爾光纖的飽和非線性增強時，凈啁啾不斷減小，而且，越來越平緩，脈沖中心附近區域凈啁啾接近零
  15. The origin of supercontinuum spectrum ( sc ) generation in optical fibers has been shown to be the interplay between fiber nonlinear effects ( such as self phase modulation, cross phase modulation, stimulated raman scattering and stimulated brillouin scattering etc ) and group - velocity dispersion ( gvd )

    光纖中超連續譜supercontinuumspectrum （ sc ）的產生源於光纖中各種非線性效應（如自相位調制效應、交叉相位調制效應，四波混頻效應、受激raman散射與受激brillouin散射等）和群速度色散共同作用。
  16. We have calculated the type - i and type - ii angle tuning curves of clbo according to the momentum and energy conversion laws, and the sellmeier equations of clbo. by comparing to that of bbo, we can see that the shortest wavelength of clbo is shorter than that of bbo both in type - i and type - ii phase - matching, especially in type - ii. from it we can see clbo is really a new kind of nlo crystal in opo

    從動量、能量守恆和clbo晶體的sellmeier色散方程出發，給出了clbo晶體、類相位匹配的角度調諧曲線，並與bbo晶體進行了比較，得到了在類相位匹配和類相位匹配情況下， clbo晶體的最短波長都比同等條件下的bbo短的結論，尤其在類相位匹配時性能更加優良。
  17. Chroma phase switching

    色度相位轉換
  18. Speaking from its outline, shallow and deep color existing alternately is the direct reason why the bands emerged, while the periodical change of the total fe content in the sapphire is the foundmental reason ; in the same band of the same sapphire, the total fe content is nearly the same, so in this sense any spot can respresent the whole band in which the spot lies ; in one sapphire, the deep - color band must contain the higher fe than the shallow one ; the sapphire which exists bands must have a black or a dark blue core, where the fe content is usually higher than other bands. 2

    研究表明，山東昌樂的藍寶石普遍發育環帶，從外觀上講，藍寶石中深淺色度的交替出現是出現環帶的直接原因，而總fe含量的近周期性變化是形成藍寶石環帶的根本原因；同一藍寶石的同一環帶，其總fe的含量幾乎相同，所以該環帶上的任何一個成分點都可以代表整條環帶的成分；同一藍寶石的不同環帶，顏色越深，含fe越高，顏色越淺，含fe則越低；凡出現環帶的藍寶石，其核部總是深黑色或者藍黑色，而其含鐵量一般都比其它部位高。
  19. In the first part of this paper, the principle of human face location is introduced : because human skin color clusters in the color space, we select a appropriate space to construct the skin color model, then skin color area of face is separated. finally, we use the construction feature of face to locate the face

    本文首先詳細介紹了人臉定位的原理：根據人的膚色在色度空間的聚類特性，選擇合適的色彩空間建立膚色模型，利用相似度將人臉區域分割出來，再結合人臉的結構特點進行人臉定位。
  20. In the 1990 ' s, china press business entered into the period of warring states. surveying the whole nation, the press competition has five regio nal feature, with bright age mark. 1 ) chengdu is a symbol of westsouth ern china. 2 ) guangdong is a representative of the south of china. 3 ) be ijing is a door of northern china. 4 ) shanghai is called " paris of the ori enf '. for its special status, the government ' s controling is closely related with the press developing level. so, we shall study paper ' s competitive situation in shanghai alone. 5 ) nanjing. which is known as an old city o f the six dynasties, is a pattern of the china. taking a general view of paper ' s market in nanjing, there are seven kinds of daily newspaper ab out life and sevice, which try to rush to occupy the limited market spac e. so, at the same time, so much newspaper ' s price is failed to two even one jiao each one while yangzi evening still keep five jiao, and persist on its own character and innovation

    華北以北京為門戶。素有「東方巴黎」之稱的上海，由於其特殊的地位和身份，政府的調控與報業發展高度相關，因此上海報業的競爭格局單獨研究。華東以六朝古都? ?南京為典範，縱觀南京的報業市場，在不大的城市裡「共生」著七家生活服務類日報，它們想方設法擠佔有限的市場空間，一時間兩毛錢甚至一毛錢一份的報價大戰鋪天蓋地；而堅持五毛錢一份的揚子晚報，固守本色，堅持創新，發行量在最初的稍降后迅速持續攀升，直至創下全國報業的新標高。
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