相位片 的英文怎麼說

中文拼音 [xiāngwèipiān]
相位片 英文
phase plate
  • : 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...
  • : 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...
  • : 片構詞成分。
  • 相位 : phase position; phase
  1. Two captive populations could n ' t be defined as separate evolutionary significant units ( esus ) because of lacking of genetic divergence between them, and should be considered as a single esu in the conservation of the species. by comparing the sequences of control region of mitochondrial dna from three species of crocodiles, it is revealed that the smallest genetic diversity exists between alligator sinensis and alligator mississipiensis. a portion of mitochondrial nd4 and cytochrome b gene of 3 species of crocodilian was sequenced

    百年來關于揚子鱷的分類地存在著很多爭議,本文利用測得的揚子鱷( alligatorsinensis ) 、暹羅鱷( crocodlylussiamensis )和灣鱷( crocodylusporosus )的mtdnand4和cytb基因序列,以及從genbank中獲得密西西比鱷、凱門鱷和海龜( cheloniamydas )的nd4基因和cytb基因段,構建以海龜為外群的系統進化樹。
  2. All common digital phasic transformers are taken by hardware circuit to connect this form has high complicacy and high trouble rate

    本文介紹了一種基於單機控制的智能數字變換器的構建,彌補了普通的數字變換器的不足。
  3. Chapter 6 discusses the designing method of achromatic wave plates, which is an expansion of the design method of pif

    第六章給出消色散的設計方法。這種波的設計方法是pif設計方法的一個推廣。
  4. A sort of spot dynamic balance test system is developed using singlechip as a core apparatus. it can do single - face and double - face dynamic balance test, present result of unequilibrium and its phase position, can test rotate speed and vibration, can show the time - field and frequency - field picture of gain signal

    本課題是利用單機作為核心器件研製的一套可應用於現場的動平衡測試系統。該系統能完成現場動平衡單面或雙面測試,實時給出不平衡量的大小和。也可單獨測轉速和振動,還能對採集到的振動信號作時域、頻域圖顯示。
  5. This movie demonstrates the phase difference and the amplitude decay of the e and h field in freespace

    本影可看出真空中電場和磁場之間的差和振幅衰減的現象。
  6. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中,分析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象,同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質,類臨界匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性,合理利用類臨界匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波構成雙折射濾光,通過選單頻來抑制噪聲,獲得了藍光低噪聲的穩定輸出。
  7. Conventional optical phase retarders are mostly designed by birefringent material. the refractive indices depend on the wavelength so strongly that the retardation is close to wavelength, here we call this dependent relationship the birefringent dispersion of material. this is the reason why conventional optical phase retarders are mostly applied to a single wavelength but ca n ' t be used to varied wavelength, so they are inconvenient to handle

    常規的光延遲器是由雙折射材料製成的,由於材料的雙折射率同波長密切關,使其產生的延遲量也同波長具有嚴格的一一對應關系(即材料的色散現象) ,因而常規延遲多用於單一波長,不同波長之間使用不可兼顧,這在使用中帶來諸多的不便。
  8. This movie demonstrates the phase difference and the amplitude decay of the e and h field in a very lossy medium

    演示高損耗介質中電和磁場的差及振幅衰減情形。
  9. 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:切信噪比、歪度信噪比總是大於關信噪比;用該演算法十分有效地實現了二次耦合信號與非對稱分佈色噪聲的分離。
  10. The analysis result shows that the whole system could reach not only a static balance hut also a dynamic balance at all time because of the special phase angle relation, it keeps all the advantages of the traditional cycloidal - pin wheel planetary gear train

    分析表明,由於四環板採用了特殊的角關系,整個系統不僅能夠達到靜力平衡,而且能達到任意時刻的動平衡,同時又保留了擺線針輪行星傳動的優點,是一種具有發展前景的傳動形式。
  11. With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used

    實驗方面,利用實驗室現有條件,在鈮酸鋰晶上以苯甲酸為質子源,用液質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光調制器,最後進行封裝。
  12. 2. firstly this paper introduce the whole machine balancing principle and method for dual - rotor systems with little rotating speed difference firstly, then discuss key points such as picking up base signal, picking up " pai " signal, measuring rotor speed, capturing the value of wave crest and through, calculating the phase values of unbalanced weight, processing odd phases and finding each rotor ' s amplitude. on the foundation of above theories, using signal process technique and chip microprocessors technique, we developed a portable intellectual instrument, the first domestic device. which can balance dual - rotor system with little rotating speed difference quickly and accurately

    本文從不解拍整機動平衡原理出發,在詳細討論基準信號、拍振信號的提取;轉速的測量;拍峰、拍谷的捕捉:不平衡的求法、特殊角的處理;內、外轉子幅值的確定等關鍵問題的基礎上,應用信號處理技術和單機技術研製成功國內第一臺性能穩定、操作簡單、成本低廉且平衡速度快,平衡精度高的便攜式微速差雙轉子現場整機智能動平衡儀。
  13. When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting

    測量裝置採用了步進電機帶動檢偏器旋轉,運用光柵編碼器測角裝置測量檢偏器的轉動角度,使用光電探測器採集檢偏器在四個方角度的光強值,根據移演算法得出波延遲角。
  14. The discontinuous phase method combined with eddy current sensor is introduced to acquire blade dynamic signal 。 the author designed the program of computing blade vibration parameters and have made computer simulation , so we can get blade amplitude and frequency

    提出採用間斷法和電渦流傳感器結合來獲得葉的振動信號,編制了測量葉振動參數的計算程序,並進行了計算機模擬模擬,得到了葉振動振幅和頻率。
  15. In addition, a new monthly star - map is provided to introduce to you the night sky, the planet and the moon phase visible in each month

    月歷內選輯了多幅由哈勃望遠鏡所拍攝的最新精彩圖,更附有全新設計的每月星圖,介紹當月星空和可以見到的行星及月置。
  16. The astrocalendar 1999, published by the provisional urban council hong kong space museum features the deepness of the universe and the most recent splendid photos taken by the hubble telescope. in addition, a new monthly star - map is provided to introduce to you the night sky, the planet and the moon phase visible in each month

    月歷內選輯了多幅由哈勃望遠鏡所拍攝的最新精彩圖,更附有全新設計的每月星圖,介紹當月星空和可以見到的行星及月置。
  17. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶噪聲近- 120dbc / hz 、雜波抑制達80db以上的低噪聲聲表面波振蕩器。
  18. The influence on phase shift, isolation and insertion loss of rotary - field phase shifter caused by mismatch and phase shift error is analysed

    本文分析了反射系數、波誤差對輸出移、隔離度及損耗的影響。
  19. This paper introduces the principle of phase - locked loop and analyzes the performance characteristics of pll chip adf4106 which has wide bandwidth and low power consumption. and then introduces the design method of a kind of low phase noise frequency synthesizers which uses single chip processor to control the chip. the application supplies a good design method for high frequency synthesizer

    介紹了鎖環路的工作原理,分析了低功耗寬帶集成鎖環晶元adf4106的工作特性,並介紹了一種利用單機控制該晶元的低噪聲頻率合成器的設計方法,討論了環路濾波器的設計,為高頻頻率合成器的設計提供了很好的思路。
  20. Phase compensation with rotating quarter waveplate in polarizing beam splitting scheme of laser launched and received in common aperture

    共孔徑偏振耦合分光的旋轉四分之一波補償技術
分享友人