相對干擾效應 的英文怎麼說

中文拼音 [xiāngduìgānrǎoxiàoyīng]
相對干擾效應 英文
relative interference effect
  • 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...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  • 效應 : [物理學] effect; action; influence
  1. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  2. We analyze the influences of the perturbed energy - level space and superposion, laser power and intermediate level offset on quantum interference. experimentally, in the sodium dimmer rhomb - type four - level system with a pair of perturbed levels, the interference enhancement of two - photon absorption caused by coherent superposition of the perturbed levels is experimentally observed

    分析了微擾能級的間隔和疊加程度、激光功率以及中間能級的失諧對量子干涉效應的影響，實驗上觀察了包含有一對微擾疊加中間能級的菱形四能級系統中的雙光子激發現象，發現微擾能級的相干疊加可增強雙光子吸收。
  3. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  4. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的諧波干擾，導致測量系統中取樣信號也含有很大的諧波，為了消除諧波對測量結果的影響，論文深入研究了傅立葉變換諧波分析法的測量原理，分析了測量中頻譜泄漏和柵欄效應形成的原因，提出了採用鎖相環倍頻技術實現信號的整周期同步采樣，消除頻譜泄漏和柵欄效應對測量結果的影響，並對鎖相環倍頻技術的理論進行了深入研究，給出鎖相環倍頻技術的實現方法。
  5. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上，討論了幾種採用典型調制技術的短波數傳系統（如時頻調制、多進制頻移鍵控慢跳頻、 chess系統）原理、優缺點以及抗衰落和抗符號間干擾的性能；分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術；在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制，給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案，並通過計算機模擬進行了初部驗證。
  6. Under rayleigh fading channel, we also simulated and compared ber in siso 、 simo and mimo systems. secondly, based on careful study the ber and the channel capacity under white noise channel under mpsk modulation when the channel is rayleigh fading, we duduced the expressions of stbc ’ s ber and channel capacity under rice and nakagami fading. and also analysed the performances through numerical simulation using matlab to testify the exactitude of the dudeced expressions. finally, there exists an error floor of stbc through studying on its performance on time - selectiv fading channel. we analysed the reason and proposed two new decode combination scheme to eliminated the error floor and the performance of stbc on time - selective fading channel is improved. and also compared the two scheme ’ s complication and snr gain

    這些結果大部分是閉式結果，能比較準確地衡量空時塊碼的性能，並對不同衰落的性能做了相互比較，其結果對空時塊碼的實際應用具有一定的指導意義。實際的通道是時變的，分析了空時塊碼在時間選擇性衰落通道中產生誤差地板效應的主要原因是存在碼間干擾（ isi ） ，在此基礎上提出了兩種能消除誤差地板效應的譯碼合併方案，並對這兩種方案的復雜度和信噪比增益進行了比較。
  7. This paper based on the principle of having the underwater explosion as a interference source to make the guidance system of torpedos failure, and according to the similarity theory to equivalent the real situation into test model, and analysis the damage and the influence of the torpedo self - guided system of the test model

    論文文摘本文基於水下爆炸作為干擾源使魚雷制導系統失靈的原理，應用相似理論，將實際情況等效縮比為試驗模型，分析該等效模型在水下爆炸作用下的破壞情況以及對魚雷自導系統的影響。
  8. The resolution of optical system can not reach its diffraction limit because of the phase aberrations caused by atmospheric turbulence and other wavefront errors. adaptive optics technology uses deformable mirrors to perform dynamic phase modulation and endow optical system the ability to decrease the influence of dynamic wavefront errors

    大氣湍流等動態干擾使光波面相位發生畸變，使光學系統的解析度無法達到其衍射極限，而自適應光學系統使用變形鏡對光波面進行動態相位調制，賦予了光學系統能動可變的能力而有效地解決了動態干擾的問題。
  9. An algorithm to resolve the coupling effect problem is proposed during the cross point assignment ( cpa ) stage. in the algorithm, the priority queue concept and the rip - up and reroute strategy are combined to control crosstalk noise caused by interconnect coupling capacitance. first, the nets are arranged into different priority queues according to their weighted sum of their length and criticality. then, the cpa problem for one queue of nets is translated into a linear assignment problem. after the assignment of one queue of nets, a post - cpa checking routine is performed to check and rip up the net pairs which violate the crosstalk noise constraint and then push them into the next queue to be reassigned. the algorithm is tested by a set of bench mark examples, and the experimental results are promising

    提出了一種在過點分配階段解決噪聲耦合效應問題的演算法.該演算法採用優先隊列同拆線重布策略相結合的方法，控制由互連線耦合電容引起的串擾噪聲.演算法中，首先按照線長和約束限制，將線網劃分到若干個優先隊列中.然後，將每個優先隊列的過點分配問題轉換為線性分配問題.在完成一個線網隊列的分配后，通過過點分配后處理過程檢查串擾約束滿足情況，對違反約束的線網對進行拆除，放入后續線網隊列進行重新分配.實驗數據表明，該演算法能夠取得好的效果
  10. Abstract : an algorithm to resolve the coupling effect problem is proposed during the cross point assignment ( cpa ) stage. in the algorithm, the priority queue concept and the rip - up and reroute strategy are combined to control crosstalk noise caused by interconnect coupling capacitance. first, the nets are arranged into different priority queues according to their weighted sum of their length and criticality. then, the cpa problem for one queue of nets is translated into a linear assignment problem. after the assignment of one queue of nets, a post - cpa checking routine is performed to check and rip up the net pairs which violate the crosstalk noise constraint and then push them into the next queue to be reassigned. the algorithm is tested by a set of bench mark examples, and the experimental results are promising

    文摘:提出了一種在過點分配階段解決噪聲耦合效應問題的演算法.該演算法採用優先隊列同拆線重布策略相結合的方法，控制由互連線耦合電容引起的串擾噪聲.演算法中，首先按照線長和約束限制，將線網劃分到若干個優先隊列中.然後，將每個優先隊列的過點分配問題轉換為線性分配問題.在完成一個線網隊列的分配后，通過過點分配后處理過程檢查串擾約束滿足情況，對違反約束的線網對進行拆除，放入后續線網隊列進行重新分配.實驗數據表明，該演算法能夠取得好的效果
  11. Problem relating to design of high speed board and electro - magnetic compatibility ( emc ) in this module is analyzed also. hardware performance and the ability of anti - interference are improved effectively to satisfy with the requirements of awg

    同時，本文對高速電路板設計和電磁兼容性作了一定分析，並針對波形發生器的要求，採取了相應的措施和技術，有效地提高了硬體性能和抗干擾能力。
  12. However, the traditional dc motor uses brush so as to switch the phases, so there are relative mechanical frictions. then it comes out many fatal failing, such as yawp, spark, wireless disturb, etc. what " s more, its making cost is high, its maintain is also difficult, therefore its application is greatly limited

    直流電動機具有運行效率高和調速性能好等諸多優點，但傳統的直流電動機均採用電刷，以機械方法換向，因而存在相對的機械摩擦，由此帶來了噪聲、火花、無線電干擾以及壽命短等致命弱點，再加上製造成本高及維修困難等缺點，從而大大地限制了它的應用范圍。
  13. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中，根據系統要求，充分考慮鐵路上的實際情況，針對具體問題採取了一系列的相應措施，如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ，設計了v f變換電路和外部a d轉換電路；在硬體抗干擾方面，將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系；在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法，即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值，從而使數據的準確性得到極大地提高。
  14. Theoretical analysis and computer simulation prove that the scheme can overcome the signal effect and improve the anti - jamming ability of radar system. then as to the polarization radar, a scheme that deploys omnidirectional two - orthogonal - channel antenna array besides the main antenna is proposed

    理論分析與模擬均驗證了，與常規旁瓣對消系統相比，該思路可以有效抑制目標效應，改善雷達系統的抗干擾性能。
  15. The paper analyzed the basic theory and mathematic model of three phase voltage pwm inverter and proposed one kind of control strategy based on the voltage - current double - loop. it used the exterior loop to control the voltage the eps outputted, and used the inner loop to control the current. simulation testified that the control method could improve the dynamic response character and interference rejection ability

    在建立三相電壓型pwm逆變器在兩相同步旋轉坐標系下的數學模型的基礎上，提出了一種三相電壓型pwm逆變器基於電壓電流雙閉環的控制方法，利用電壓外環實現對輸出電壓的穩定控制，電流內環實現對輸出電流的控制，模擬證明該方法有效地改善了系統的動態響應及抗干擾能力。
  16. Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method

    傳統檢測器（單用戶匹配濾波）利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中，通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應，使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機，有效控制接收信號的能量，從而極大地提高了接收機的抗遠近性能，同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性
  17. Then the complete simulink simulation model of soft cut - in system is established. what is more, an effective control strategy of soft cut - in unit that the cut - in rotate speed of wtg and scr phase - shifting rule should be adjusted in accordance with the rotate acceleration of rotor is put forward. on the basis that the simulation model is validated, the simulation and analysis of direct cut - in and soft cut - in process of wtg are carried out, which aims at supplying necessary referential material for the r & d of soft cut - in unit

    本文以軟並網裝置主電路的分析與設計?軟並網控制系統的建模與模擬分析?可控硅移相觸發軟並網控制電路的設計為主線，首先進行了軟並網裝置主電路部分的分析與設計；然後建立了雙繞組風電機組的完整模擬模型，在對模型進行驗證的基礎上，提出了有效的風電機組軟並網控制策略，即機組並網轉速與可控硅移相規律應隨電機轉子加速度進行調節，並進行了風電機組直接並網與軟並網過程的模擬分析，得出了相應的結論，為軟並網裝置的研製提供了必要的參考依據；最後設計了軟並網系統的可控硅移相觸發控制電路的硬體與軟體的實現方案，並提出了系統硬體與軟體的抗干擾措施，重點闡述了主要軟體模塊的實現方案。
  18. Combining walsh sequence with direct spread spectrum sequence, we can construct hybrid ds - fh spread - spectrum communication mode. this is very important for the mode to have better performance on anti - multiple - access inference and anti - near - far inference

    將walsh函數序列與直接擴頻序列相結合構成的ds - fh混合擴頻通信方式對于系統抗多址干擾和遠近效應具有重要意義。
  19. This paper also proposes an intelligent approach based on rsfm network to estimate the parameters of abnormal patterns such as trend slope, shift magnitude, cycle amplitude and cycle length. simulation results show the proposed network possesses advantages of quick training and good estimation performance. 3

    為了有效估計異常模式的參數值，避免不同參數估計間的互相干擾，採用多個網路分別對不同模式的參數進行估計，採用這種方法也使得整個參數估計模塊具有自適應能力，當加工過程遇到一個新的模式，在參數估計模塊相應加入一個網路對其進行訓練。
  20. Wsrm can manage the access of each process to system resources and reduce interference of one application with another, allowing multiple applications to coexist on the same system more efficiently

    Wsrm可以管理每個進程對系統資源的訪問，並減少應用程序之間的相互干擾，從而允許多個應用程序更高效地共存於同一個系統中。
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