相位反轉 的英文怎麼說

中文拼音 [xiāngwèifǎnzhuǎn]
相位反轉 英文
phase reversal
  • : 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...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 轉構詞成分。
  • 相位 : phase position; phase
  1. In case 6, the heart looks " inverted " compared to normal ( figure 8 ). this phenomenon is called dextrocardia, and it results from a looping anomaly during embryologic development

    病例6中的心臟與正常比看上去就像「」了一樣(圖8 ) ,這稱作右心,是由於胚胎發育過程中的心臟成環異常導致。
  2. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a換器實現了交流變頻器的控制功能;採用數字化檢測技術實現了感應移饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器饋信號的檢測功能。
  3. In this stitching algorithm, the operator should select two characteristic regions in one of the two pictures that are to be stitched. then the algorithm will search the two best - matching region in the other picture, compute the angle of the rotary between the two pictures, rotate one of the two pictures, then stitching the picture, thereby the rotary error is corrected

    這種拼接演算法由用戶在待拼接的一幅照片中指定兩個參照特徵區域,並在另一幅照片中搜索兩處最佳匹配區域,根據這四個區域的置確定兩幅照片的對旋誤差,然後向旋其中的一幅圖像,再進行對接,從而糾正了兩幅照片的旋誤差。
  4. 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,在鈮酸鋰晶片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的工藝過程,實現了疇並腐蝕得到了v型槽;設計製作了帶尾纖的電光調制器,最後進行封裝。
  5. Because very similar to chi shu rotors very few, the teeth harmonics moment for the second harmonics moment, and two stator mistaken 90e of mutual perspective, the two stator teeth resolved moment worth equal to 13, 800 conversely, synthetic zero

    3 .由於爪極數等於子極數,故諧波力矩為2次諧波力矩,而2個定子互錯90電角度,所以2個定子的諧波力矩幅值等,,合成為零。
  6. In chapter 2, we analyzed the effect of the driving field phase fluctuation on the gain and dispersion and population differences in an open v - type three - level non - inversion lasing system and then discussed the effects of the incoherent pumping rate, the ratio of the atomic injection rates, the atomic exit rate, the rabi frequency of the probe and driving fields and their corresponding detuning on the gain, dispersion and population differences of the system, and got some important conclusions different from those in closed or other open systems

    第二章討論了驅動場的漲落對開放的v型三能級無激光系統的影響,根據解析解的數值計算結果討論了非干泵浦速率、粒子注入速率之比、粒子退出速率、探測場和驅動場的rabi頻率和應失諧對系統增益、色散和粒子數差的影響,得到了一些不同於封閉的v型系統及其他開放的無激光系統的重要結論。
  7. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫度等)可得到合適doppler展寬值,從而使系統獲得最佳增益; ( 2 )要想實現系統的頻率上換,同時又要獲得足夠強的無激光增益,則系統頻率換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無激光是有利碩士學論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅動場的傳播方向時,增益在探測場失諧的某一段區域產生振蕩,且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。
  8. Operator performs a bitwise complement operation on its operand, which has the effect of reversing each bit

    運算符對操作數執行按求補運算,其效果當于每一
  9. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜譜函數的關性,給出新型長周期光纖光柵諧振峰幅度和置的調節量,使改變后的新型長周期光纖光柵的譜線能和edfa的增益輸出譜線進行最佳匹配。
  10. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類匹配的調諧曲線,以及非共線類匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了換效率與超過泵浦閾值的倍數的關系;討論了換效率與輸出鏡射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  11. ( 2 ) develop an urban microscopic traffic simulation system, which involves vehicle generation model, network model, traffic regulation model, signal control model, vehicle action model, route choice model and intersection turning model. ( 3 ) realize and research the method that signal cycle and phases are assigned by the traffic need. when vehicles od is known, this method can be used to decide the maximum traffic capacity of signal - controlled intersection and the evaluation reference of current control method

    模型中充分考慮了鄰道車輛對駕駛行為的影響及駕駛員的應延遲,使模型更符合真實情況; ( 2 )開發了城市微觀交通模擬系統:該系統包括車輛產生模型、路網模型、交通規則模型、信號燈控制模型、車輛行為模型、路徑選擇模型、路口向描述模型; ( 3 )在模擬應用中實現並研究了信號燈周期及其按交通需求動態分配的方案,提出該項模擬可用於確定在已知od下,信號燈控制路口的最大通行能力,並可作為現有控制方案的評估依據。
  12. In this scheme digital demodulator is used to detect ifog ' s signal, digital phase ramp modulator is used as feedback controlling and digital filter is used to limit noise and lower the bits of a / d ? d / a converters

    閉環方案中,採用數字解調方案進行信號檢測,採用數字階梯波調制技術進行饋控制,採用數字濾波、數值濾波降低噪聲和消除a / d 、 d / a換死區誤差。
  13. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡( nolm )結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉增益調制( xgm )全光波長換中,採用級聯的soa能有效地使光脈沖的頻率啁啾得到有效降低,波長向下換的距離和光的峰值能量都得到明顯提高,降低了利用交叉增益調制( xgm )波長換中對波長精度的要求,從而提高了波長換的靈和性。
  14. This topic discusses the back - emf zero - crossing detection, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed - loop speed control strategy

    詳細介紹了電動勢過零檢測、判斷及補償的原理及實現方法,並且為了在較寬范圍內提高bldcm的調速性能,採用了數字式速閉環控制。
  15. On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control

    在全面分析研究了無置傳感器無刷直流電動機運行方式的基礎上,細致闡述了電勢過零檢測、判斷及補償的原理及實現方法,並且為了在較寬的范圍內提高bldcm的調速性能,採用了數字式速閉環控制。
  16. On the base of ananlysing and studying the run mode of bldcm, we introduce the detecting back electromotiveforce, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed _ loop speed control strategy

    在對無置傳感器無刷直流電動機運行方式進行全面分析研究的基礎上,詳細的介紹了電動勢過零檢測、判斷及補償的原理及實現方法,並且為了在較寬范圍內提高bldcm的調速性能,採用了數字式速閉環控制。
  17. New fet - input amplifiers, like the ad820 family of amplifiers, incorporate design improvements that prevent output voltage phase reversal for signals within the rated supply voltage range

    新型的fet輸入管放大器(如ad820系列放大器) ,在設計上做了改善,對于額定電源電壓范圍之內的信號,能夠防止輸出電壓相位反轉
  18. In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm

    該演算法充分利用高階統計量所包含的信息、均衡器輸出信息的非線性變換及判決饋演算法來補償;利用符號演算法可以減少計算量的特點來加快收斂速度;利用判決饋濾波器的性能來減小均衡器輸出的均方誤差。
  19. The proposed algorithm outperforms blind linear equalizer ( le ) based on statistical equalization criterion in reducing the mse and compensating for the carrier phase rotation and blind linear decision feedback equalizer ( ldfe ) based on statistical equalization criterion in improving convergent speed

    因此,該演算法在減小均方誤差與補償方面的性能優于基於統計特性均衡準則的線性盲均衡演算法;在收斂速度方面的性能優于基於統計特性均衡準則的線性判決饋盲均衡演算法。
  20. For greatly overcoming the carrier phase rotation resulting from multipath underwater acoustic channel and large mean square error ( mse ) at convergent end of linear equalizer ( le ) based on higher order statistics, statistical equalization criterion based blind linear sign decision feedback equalizer ( lsdfe ) was proposed

    摘要為了克服多途水聲通道引起信號的及基於高階統計量的線性均衡器( le )收斂后均方誤差大的不足,提出了基於統計特性均衡準則的線性符號判決饋盲均衡演算法。
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