量化畸變 的英文怎麼說

中文拼音 [liánghuàbiàn]
量化畸變 英文
quantization distortion
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ形容詞1 (偏) lopsided; unbalanced2 (不正常的; 不規則的)irregular; abnormalⅡ名詞[書面語] (零...
  • 量化 : quantization量化器 quantizer; digitizer; 量化失真 quantizing distortion; 量化條件 quantum conditi...
  1. Simulations of gain and aberrance are done to study the amplification of pulse signal with a frequency of 0. 25mhz

    對頻率為0 . 25mhz的脈沖信號放大進行了模擬,分析了其增益和脈沖隨放大參情況。
  2. Because of the elements which run under nonideal linearity and unentire symmetry in the power system, the loads which are different and change randomly, the methods which adjust and control the system faultily and operate improperly, the disturbance and the malfunction which happen somewhere, the current and voltage in the supply system are distorted seriously and thus large amount of harmonics are produced

    但是,由於電力系統元件運行的非理想線性或非完全對稱、負載的性質各異且隨機、調控手段的不完善以及錯誤操作、外來干擾和各種故障的存在,供電網中的電流(電壓)發生,產生大諧波。
  3. The wave of magnetic induction density will bring distortion with the raising of excitating voltage while measuring the magnetization characteristic

    在進行磁特性測時,隨著激磁電壓的升高,磁感應強度波形將產生
  4. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大相位失諧下,基波為頻率啁啾脈沖的二次諧波產生過程,結果表明選取合適的啁啾參可以使二次諧波的光強提高,但同時會使其波形和相位發生.三波相位的主要取決于入射的基波啁啾脈沖,而與相位匹配的失諧關系不大
  5. In this paper, a method assessing harmonic impedance by synchronously layered distortion waves is proposed, which is based on the " fluctuations method " - a simple and effective means. however the method is based on the fourier transform, which can just precisely analyze the signals whose cycle is integer times as broad as that of fundamental wave. with sampling windows widening, the variations of distorted signals in a fundamental period are weakened

    本文是以一種被廣泛採用的非干預式諧波阻抗估計方法? ? 「波動」法,的基礎上,針對現有方法以直接的fourier換為分析工具,只能對基波周期的整數倍窗口采樣信號進行分析,信號在一個基波周期內的隨采樣窗口增大而被弱,並且,諧波次數越高,解析度就越低,大大限制了諧波阻抗估計的準確性的提高。
  6. In the distribution system, many capacitor banks are applied to decrease the loss of the network. the harmonic resonance may be incurred between the network and the capacitor banks in the harmonic frequency, thus the security of the system may be destroyed because of the high harmonic distortion level

    配電網中裝設了大的電容器進行無功優來降低網損,但在諧波頻率下,容易產生系統與電容器之間的諧波諧振或諧波放大,從而使系統的諧波大,破壞了系統的安全運行。
  7. The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports, but in the high temperature range the thin films forms the small polarons hopping conductivity. the phase transition induced by the current is explained by the demagnetization and lattice distortion

    在高溫部分,材料呈現小極子跳躍形式輸運特徵;實驗研究了不同偏置電流對薄膜的相影響,表明電場可以引起材料中磁性的和晶格,導致相溫度點向低溫方向移動;材料的光致相研究表明光子能、光強和極方向對輸運性質有影響。
  8. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流、工作轉速及動?靜葉排軸向間距時的葉片排流場非定常頻譜特性規律,並耦合進氣的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測,獲得了大的可靠的實驗數據。
  9. The experiments showed that wc and vc can dissolve mutually in the carbonizing reaction. when wc ' s content exceeds vc ' s, vc will dissolve into wc and make wc ' s crystal lattice bring aberrance and become wc1 - x, contrarily when vc ' s content exceeds wc ' s, wc will dissolve into vc and also make vc ' s crystal lattice bring aberrance. the surface cermet composite has high rigidity and well wear - resistance

    ( 7 )採用鑄造燒結技術,通過加入毗顆粒和v班一vc的原位放熱反應成功制取了碳物陶瓷質百分數超過60 %的表面金屬陶瓷材料,實驗證實wc與高溫碳反應生成的vc相互可以很好的固溶,當wc的含超過vc時, vc可以固溶到wc中,使wc的晶格發生,成為昵卜: ,反之當vc的含超過wc的含時, wc可以固溶到vc中,也會造成vc的晶格
  10. The measurement and alteration of ordinary digital camera. it includes the correction of lens distortion of digital cameras, the computing of camera interior orientation parameters and pictures " exterior orientation parameters, and the evaluation of it ' s capability ; 2

    其中包括普通數碼影像差的改正、數碼相機內方位元素的檢定、數碼近景攝影機的研製及外方位元素改正值的確定、普通數碼相機性能評價; 2
  11. With the development of modern industry, the nonlinear loads of power system are greatly increased. they absorb the non - sine current waves from power network and result in voltage aberrance. voltage aberrance makes the power quality severely deteriorate, endangers the safe and economical running of power system and affects some users ’ s normal work

    隨著現代工業的發展,電力系統中的非線性負荷大增加,這些非線性負荷從電網吸收非正弦電流,導致電網電壓發生,使電能質嚴重惡,危及電力系統安全和經濟運行,影響了用戶的正常工作。
  12. 2, the optimal designed digital matched spatial filter ( dmsf ) was used to perform real - time optical correlation, which not only has the merit of large storage and renewability as well as common digital filter, but also has the virtue of high correlation s / n which the holographic optical filer owns

    2 、優設計的數字空間匹配濾波器,既有數字濾波器的大存儲容並可實時刷新的特點,又有全息光學濾波器高相關s n的優點。對于處于嚴重背景噪聲干擾下的多個目標,也可獲得高相關s n 。
  13. There are two main factors resulting in fading capacity and poor cyclability, one is the john - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries. during the research of suppressing jahn - teller distortion, low valence cation ( al 、 mg ) and anion ( f ) doped method are usually adopted

    針對limn2o4正極材料在電學循環過程中發生jahn - teller和mn在電解液中溶解這兩個導致容衰減和循環性能劣的關鍵問題,分別採用al 、 mg陽離子摻雜和al / f 、 mg / f陰陽離子復合摻雜兩種措施,對尖晶石結構limn2o4正極材料進行了改性研究。
  14. The significant capacity loss of the spinel limn2o4 during cycling hereby prevents its wider use as cathode materials for lithium secondary batteries. there are two main factors resulting in fading capacity and poor cyclability, one is the jahn - teller distortion of mn3 +, and the other is mn dissolution to electrolyte. the main objects of this paper are to resolved these key problems effecting on the performance of batteries

    針對limn _ 2o _ 4正極材料在電學循環過程中發生jahn - teller和mn在電解液中溶解這兩個導致容衰減和循環性能劣的關鍵問題,分別採用陰陽離子復合摻雜和尖晶石晶粒表面包裹兩種措施,對尖晶石結構limn _ 2o _ 4正極材料進行了改性研究。
  15. 5 a multi - thread software cooperated with smp ( 2 cpu ) hardware performs the image - preprocessing correlation and post - processing synchronously, thus an automatic working module is realized. 6 systematic designed software, including grabing sarnies constructing rfl diging roi, and trainning ann offline and inline modules, has passed the practical tests which indicates that the opr could reach the recogniton possibility above 85 % and decrease the false alarm in the environment of high noise low contrast and multi - objects. and these are proved stable and repeatable in statistics, and so an advanced progress toward practical systems is achieved

    6 、系統設計的軟體,包括了樣本採集、參考濾波器庫構成、相關平面的roi採集,以及ann脫機訓練、 ann聯機運行的軟體功能模塊,在實時運行的測試結果中表明了該opr系統對處于高噪聲、低反差、多目標的惡劣條件下,對三維目標的判識率( > 85 % ) ,降低了虛警率,並通過大的實驗數據證明了該系統各項指標的穩定性和可重復性(從統計意義上講) ,向實用系統邁進了一大步。
  16. Power balance is necessary to icf, including the energy balance and pulse shape uniformity at the target. 90 percent of the output energy of " sg - ii " comes from its double - pass coaxial array main amplifiers, and pulse shape distortion caused by gain saturation also occurs mostly in there. therefore precise control of gain performance of the main amplifiers by avm ( angular variable mirror ) is the key to the precise power balance of " shenguang - ii "

    「神光? 」裝置90的激光能由同軸雙程主放大器提供,同時增益飽和效應產生脈沖波形也主要發生在主放大器階段,因此應用組合式角反鏡( avm , angularvariablemirror )獨立精密控制主放大器各路的增益性能是實現「神光? 」裝置精密功率平衡的關鍵。
  17. The optimization algorithms in conventional calibration field have the shortcoming that the computing quantity is huge. in order to improve it, a single adaptive neuron algorithm was developed in conventional camera calibration in this dissertation, and a calibration algorithm considering radial and tangent distortion based on single adaptive neuron is proposed

    傳統的標定演算法中各種優演算法存在著計算大的不足,本文將單個自適應神經元應用到攝像機傳統標定中,提出了一種考慮徑向和切向的攝像機標定演算法,它與其他優演算法相比具有簡單實用、計算小的優點。
  18. Thirdly, zero energy - error is introduced and used to optimize combined hybrid axisymmetric finite elements through adjusting the combined factor. the influence of combined factor on axisymmetric elements is discussed. finally, the main points of the whole paper are summed up and some further thoughts are put forward

    數值實驗結果表明:能協調和近似能協調的軸對稱元都具有高精度、不發生poissonlocking和對網格不敏感的特點;經過優之後的軸對稱元性能能夠得到進一步改善。
  19. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大,電源的諧波含過高,紋波系數過大,乃至電源設備損壞、輸出異常等情況出現,將會嚴重影響視頻信號的圖像效果,大大降低防盜系統的穩定性和可靠性,我們採用快速傅利葉換原理,即fft換,通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft換,從而得出信號中各次諧波的含及信號系數,並將其與正常工況下的參數進行對比,從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況;組成監控系統的設備長期處于工作狀態,往往由於設備散熱條件不好、設備老故障等原因導致設備表面溫度過高,從而影響設備的正常運行,降低設備的使用壽命。
  20. Since the camera lens used in computer vision sustain a lot of nonlinear distortion, recent research efforts has been concentrated on the distortion correcting technique. the optimization algorithms in conventional calibration field have shortcomings that the computing quantity is colossal. in order to improve it, tsai two steps ’ algorithm was developed in conventional camera calibration in this dissertation, and a calibration algorithm considering radial distortion

    由於攝像機鏡頭存在著,對于要求精度定位的應用,需要進行校正,而傳統的標定演算法中存在著計算大的不足,本文採用tsai氏兩步標定法是考慮一階徑向的攝像機標定演算法,與其它優演算法相比具有簡單實用、計算小的特點,並通過實驗驗證了該演算法的可靠性和有效性。
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