相帶寬度 的英文怎麼說

中文拼音 [xiāngdàikuān]
相帶寬度 英文
belt span
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal

    首次採用平板顯示專用控制晶元al300 ,設計並製作了關配套電路,支持的最高解析是1280 1024 ,實現解隔行和多種視頻格式轉換的功能,滿足了fed顯示屏對vga解析的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面,可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號,實現亮信號和色差信號的分離,提高了亮信號的
  2. A very long burst read and combined write scheme on pci bus is proposed to achieve maximized pci performance test results show that end - to - end bandwidth is about 175mb s in single - net system and over 300mb s in double - net system the performance of hvia - net is endsville compared with current high performance commodity network in the world hvia - net has successfully been used in galaxy super server

    提出了一種超長讀突發和寫報文合併技術,最大限地利用pci總線的性能。實際系統測試結果表明,單網點-點達到175mb / s以上,雙網點-點達到300mb / s以上。與目前國際上的高性能商用網路比, hvia - net的性能是領先的。
  3. Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation

    逆合成孔徑雷達通過發射大信號獲得好的距離解析,利用目標對于雷達的轉動產生多普勒頻率梯來獲取好的方位向分辨力。
  4. This significant amount of data bandwidth requires a highly tuned database and platform

    這一當大的數據需要高調優數據庫和平臺。
  5. Our treatment shows in the raman effect case, mnls solitons, the same as nls solitons, keeps its energy, initial center and initial phase unchanged. however, the raman effect, not the same as nls solitons. reduces its amplitude, widens its width and under the same conditions, the self - frequency shift of mnls soltions is closer to the result of numerical simulation. in the raman effect together with frequency filters case, mnls solitons, the same as nls solitons, keeps initial center and initial phase unchanged and bandwidth - limited frequency filters can make the mean frequency of mnls soltion stand a steady value at the red side of the initial mean frequency, i. e. suppress the self - frequency shift of mnls soltions. and that, the other physical parameters of mnls soltion last stand a steady value. however under the same conditions, the steady value of the mean frequency of mnls soltions is closer to the initial mean frequency and the result of numerical simulation

    有所不同的是, raman效應雖然不改變孤子能量,但會引起孤子峰值的下降和,且在同一條件下, mnls孤子微擾理論得到的自頻移比nls孤子微擾理論得到的更接近直接數值計算結果。有限的頻率濾波也不引起mnls孤子初始中心、初始位的改變,選取適當的頻率濾波器參數值能使孤子的平均頻率穩定在初始平均頻率的紅側一穩定值,抑制了自頻移,而且孤子的各物理量最後都穩定在一穩定值,這些與nls孤子微擾理論都是類似的。有所不同的是,為飛秒量級下, mnls孤子平均頻率的穩定值更接近初始平均頻率,更接近數值計算結果。
  6. Base on two - stage approach, we adjust experimental parameter to develop a new method ( three - stage approach ) to prepare c - bn thin films. the study proves that it is favorable to prepare bn thin films of high cubic phase content. depositing time and substrate bias voltage in the first stage are 5 min and - 180v respectively

    根據si片上bn薄膜的反射光譜r ( )和熔融石英片上bn薄膜的反射光譜r ( )和透射光譜t ( )各自獨立的計算了bn薄膜的光學隙,利用兩種方法分別計算立方含量均約為55 %的bn薄膜的禁為5 . 38ev和5 . 4ev ,其結果均和由經驗公式計算得到的結果非常接近。
  7. Partial substitution of manganese in lixmn204 by cobalt or lithium can reduce the fermi energy, increase the. net charge of lithium ion, and diminish the value band width, corresponding to the drop of the discharge voltage, the loss of the reversible capacity, and the improvement of the cycling performance due to increasing structural stability, respectively

    在limn2o4中摻入鈷和用鋰離子代替16d位錳離子將使材料的費米能減小,放電電壓降低;摻雜態中部分鋰離子的凈電荷增大,鋰離子與氧離子的互作用增強,可逆容量降低;摻雜態的價變窄,結構的穩定性增加,從而改善循環性能。
  8. The tbc algorithm simulates that wave near the boundaries is plane wave, and its amplitude and direction are decided by trial and error. in this thesis, the operation principle of an awg is introduced and the structure parameters of 8x8 awg with its central wavelength 1550. 12 / 7 / n and channel spacing 3. 2nm are designed by discussing the crosstalk to neighboring waveguide, the insertion losses and losses equal, etc. this thesis employs the waveguide theories to analyze the slab waveguide and the arrayed waveguide, and offers the distributions of stable optical fields

    本文旨在設計一個中心波長為1550 . 12nm 、波長間隔為3 . 2nm的8 8awg波分復用器,通過綜合考慮鄰波導間的最大串擾、插入損耗、通以及各通道損耗均勻等指標來設計、優化awg的各個結構參數,如輸入、輸出波導和波導陣列中鄰波導的間隔,平板波導的聚焦長,波導陣列中鄰波導的長差等。
  9. The controlled object hyvp ( hydraulic pressure vibration platform ) has the property of big loading pressure and rating power, so it need considerable transmitted and control power, it also has the property of high - level math model, and narrow frequency width in closed - loop, and bad stability. this thesis is based on the hpvs in the “ tiema project ”

    被控對象(液壓振動臺)具有負載壓力和額定功率當大的特點,因此要求傳輸和控制的功率要當可觀;而且它還具有數學模型階數高、閉環頻窄、穩定性差等特點。
  10. Diamond is a remarkable material due to its special crystal structure, which shows high hardness, low friction coefficient, high thermal conductivity, high optical transparency, low permittivity and high band gap etc. cvd diamond films are widely used in mechanical coating, heat sinks, optical window, semiconductor devices and other application fields because of its low price and high performance

    金剛石的特殊晶體結構使其成為一種性能優異的功能材料,它具有高硬、低摩擦系數、高熱導率、高透光率、低介電系數和高禁等性質。化學氣沉積制備金剛石膜成本低、質量高,廣泛應用於工具塗層、熱沉、光學窗口、半導體器件等方面。
  11. Thirdly, a modified extended chirp scaling ( ecs ) algorithm is presented, which solves the problem of producding fine focused images in the class of chirp scaling ( cs ) algorithm. lt can be used for uwb - sar imaging effectively. the phas e error produced by cs operation are analyzed. a windowed process in two dimension frequency domain before cs operation are proposed. it can improve the quality of image and widen the effectively swath and increase the peak to sidelobe ratio ( pslr )

    然後針對chirpscaling ( cs )類演算法不能對參考點精確聚焦的問題,提出了一種改進的擴展cs ( ecs )演算法,實現了對uwb - sar的高效成像;分析了cs操作產生的位誤差,提出在cs操作之前在二維頻率域對信號加窗,除有效提高信號的峰值旁瓣比( pslr )外,還可以提高圖像質量,增加有效測繪
  12. Fes _ 2 ( pyrite ) has been considered as a valuable semiconductor for solar energy conversion and other photoelectrochemical applications since it consists of nontoxic and abundant elements. because of the band gap of about 0. 95ev and the very high light absorption coefficient ( < 700nm 時 , > 5 10 ~ 5cm ~ - 1 ), it might be suitable for sensitization solar cells and in the form of ultrathin films

    Fes _ 2 ( pyrite )是一種具有合適禁( e _ g 0 . 95ev )和較高光吸收系數( < 700nm時, > 5 10 ~ 5cm ~ - 1 )的半導體材料,其組元元素儲量十分豐富、無毒,而且在制備太陽能電池時可以以薄膜形式使用,成本較低,與已有半導體材料比,是一種較有研究價值的太陽能電池材料。
  13. Part iii the medicines about gold will be very popular in the next ten years. 25, physiologically ph 7. 43 ( + 0. 02 ), applying resonance light - scattering spectrum ( rls ), we observed the resonance light - scattering spectrum quenching of serum albumin by its interaction with au ( iii ). a scattering peak at 350nm and its double frequency scattering peak at 700nm were observed when the excited wavelenth is 290nm

    第三部分:在普通熒光分光光計上選擇合適的激發和發射通,利用reyleigh共振散射技術,研究了生理ph值7 . 43 ( 0 . 02 ) , 25下,金( )與血清白蛋白的互作用。
  14. Firstly, in this paper, the basic principles of sar imaging are exploited following the analysis of sar imaging process ; it is shown that the imaging algorithm of traditional sar can be used effectively only on the condition of narrow relative bandwidth signals, narrow azimuthed processing angle and narrow swath width. large range migration has brought many new features and difficulties. after comparing many imaging algorithms, we find out the direction research of the uwb - sar imaging algorithm

    本文首先從sar成像的原理出發,分析了sar成像處理過程;指出傳統sar的高效成像演算法只有在窄信號、窄方位向處理角、窄條的條件下才能有效運用,大距離徙動給大處理角uwb - sar成像來了許多新的特點和難點,據此分析比較了各種成像演算法,找出了適合uwb - sar高效演算法研究的基礎。
  15. Zno is promising : high - quality zno with very low defect densities can be synthesized at much lower temperature ; zno can emits light with shorter wavelength than blue light emission from gan ; zno has higher excitonic binding energy promising strong photoluminescence from the bound excitonic emissions even at room temperature ; by alloying with mgo, tuning of the band gap while keeping the zno hexagonal structure can be achieved by forming mgxzn1 - xo. as we know, band gap tuning is important to produce efficient and lasting light emitting diodes ( led ) and other electronic devices

    利用mg _ xzn _ ( 1 - x ) o薄膜,可以在保持zno六方纖鋅礦( wurtzite )結構的同時有效調節調節薄膜的禁,制備出基於氧化鋅的量子阱、超晶格及關的光電器件,如基於氧化鋅的紫外光探測器、紫外發光二極體和紫外激光二極體等光電子器件。
  16. Compared with analog oscilloscope, digital storage oscilloscope contains excellent trigger function, measure function and various data collection methods. it could save and copy the wave data by connecting with pc, printer, and the like. the bandwidth, distinguishability, and sensitivity of digital storage oscilloscope are all better than analog oscilloscope

    和模擬示波器比,數字示波器有著超強的觸發功能和測量功能以及多樣化的採集方式和自動量程,可以存儲波形並進行硬拷貝,通過介面與pc機、印表機等數字設備連,其頻、解析和靈敏比模擬示波器更好。
  17. In the 20th annual acm symposium on applied computing, santa fe, new mexico, 2005

    由此,我們就得到了一系列的骨架點,即的dbsc的控制點。
  18. It had many great merits such as excellent optical properties, low - cost and easiness to handle which offered promising prospects in the filed of self - cleaning, anti - fog and so on. the hydrophilicity of tio2 was influenced by many factors such as crystal structure, surface morphology, band gap, etc. preparing method and doping element would take effect on the properties of the film

    Tio _ 2薄膜的親水性能受到結構形貌及其禁的影響,銳鈦礦的tio _ 2具有最好的親水特性;平整均勻的表面不僅有利於水的鋪展,而且透光率高,適于玻璃鍍膜;薄膜禁降低有利於提高光能的利用率。
  19. When the mtf is a constant, with the increasing amount of image motion, increasing trend of the width of target strip is weakening. the numerical value is : the image motion is a / 3, a / 2, a, the corresponding width of target strip is 2a, 2. 11a, 2. 44a

    當mtf一定時,隨著像移量的增加目標條的增加趨勢有所減小,具體數值是,當像移量為a 3 、 a 2 、 a時,應的目標條為2a 、 2 . 11a和2 . 44a 。
  20. The distribution of streak width along the lateral direction shows that the width attains its maximum value at the central line and becomes narrower toward the side wall, and its distribution is symmetrical about the central line of the flume

    低速在水槽中心位置最大,往兩邊的邊壁逐漸減小,而且在橫向上對於水槽中心線對稱分佈。低速間距與的比值約為2 0 。
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