相位干擾 的英文怎麼說

中文拼音 [xiāngwèigānrǎo]
相位干擾 英文
phase interference
  • 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...
  • 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...
  • 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...
  • 相位 : phase position; phase
  1. Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation

    研究了適于直流、無刷、永磁、無位置傳感器電機轉子位置的檢測方法；採用單片機實現了該種電機的運行控制，提高了系統在pwm調制時位置檢測換相控制過程的抗干擾能力。
  2. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。
  3. Among segments obtained by pgm, some belong to the real roads, some are false responses, there are still many parts of the roads remain undetected

    由於sar圖像中各種干擾的作用，相位編組得到的線段是斷續的，而且仍然存在著大量的虛假目標。
  4. I. research on liposoluble constituent first, styela clava ' s tunica and its body were separated carefully so that interactions among some substances are prevented

    一、脂溶性物質的研究首先，將柄海鞘的鞘囊和鞘體進行精細剝離，避免了物質的相互干擾，更好的進行物質的定位。
  5. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  6. With the frequency division of wpd, etm uses shannon entropy as the criterion of determining whether or not dsi exist in certain wpd tree nodes and interference are suppressed successfully. lots of simulation data, lab data and on - site data have indicated that etm works with good efficiency, without pre - knowing of dsi information, extracts the phase of pd pulses accurately and can calibrate quantity of single type discharge

    大量的模擬數據、實驗室實測數據以及現場實測數據處理結果表明，小波包變換熵閾值法抑制干擾能力強，無需事先確定干擾的分佈，能夠準確檢測局部放電信號的相位信息，對于單一的放電類型，可以確定放電量的大小。
  7. When blanket jamming is used, the more the ratio between the power of jamming and the power of signal, the less detection probability of the radar is. the effect of distributed jamming mainly depends on the total power. after distributed, the randomicity of distance and phase of jamming source bring difficulties to analysis

    對壓制式干擾來講，干信比越大，雷達的發現目標的概率就越小，由於分散式干擾的干擾效能在於其合成功率，在分散式干擾單元分佈之後，各個干擾源與被干擾對象之間的距離的不確定性，帶來了干擾信號相位的不確定性，增加了分析干擾效能的復雜度。
  8. In this thesis, we combine the theory of neural network and traditional image processing technique, analyze and research the topic of the location and recognition of vehicle license plate based on structural alternative covering algorithm, and try to locate the car plate even there exist lots of distributive factors in the image and recognize the characters finally

    本文基於構造性的覆蓋演算法，將神經網路技術和傳統的圖像處理技術相結合，對車輛牌照的定位和識別進行了較為深入的分析和研究，力求在圖像中存在較多干擾因素的情況下仍然能夠較好的定位車牌並給出最終的識別結果；論文主要工作和創新點如下： 1
  9. Via this neural network, we can eliminate those regions which contain no plate and then use color information to modify the correct region and find the accurate position of car plate finally ; 3 ) in the progress of recognition, we apply the structural alternative covering algorithm and only use some basic techniques to process the image

    將構造性的覆蓋演算法應用於牌照的定位，在對這些區域進行分析后提取出各自的特徵並進行學習，構造出相應的神經網路，用來排除假的干擾區域，同時結合圖像的顏色信息來對前期的定位結果進行修正，最終得到正確的車牌位置： 3
  10. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  11. In feature extractor, the paper combines centriod of the moving objects to tracking window to distinguish pedestrian and moving vehicle. similar functions are applied for matching feature

    在特徵提取方面，採用了質心和窗口相結合的方法，兼顧了目標的位置和形狀；而且還初步的去除了行人對運動目標跟蹤的干擾。
  12. According to the sample area survey ; there are 120 species of plants belonging to 84 gener 47families in the 25 - year - old chinese fir plantation community which will succeed toward the direction simi - ler to the community type before the felling of evergreen broadleaved forest if it is let to develop naturally or the logging residues are not burnt after the felling of the chinese fir plantation due to the superiority of cas - tanopsis carlesii and schima superba in the aspling layer in it

    據樣地調查，該25年生杉木人工林群落的植物有41科84屬120種，群落的外貌特徵以包括藤本在內的高位芽占絕對優勢，葉特徵以革質，單葉，中小型葉為主，由於該群落的幼樹層以米儲和木荷等占優勢，若讓其自然發展或杉木林採伐后不煉山，並排除其它人為干擾，該群落將向與常綠闊葉林採伐前的群落類型相似的方向演替。
  13. A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting

    本文對處于陸上局部區域內的、以經緯度地理坐標系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究，以對系統間的相互干擾情況作出預測，給解決局部區域中無線電系統間相互干擾問題的方案提供支持，以避免在系統布置、安裝完成之後出現相互干擾情況而使系統性能下降，甚至失效，造成資金和時間的浪費。
  14. Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application

    文摘:提出一種新型的非線性積分器，給出它的數學模型，並用諧波線性化原理討論它的頻率特性，其幅頻特性起積分作用，而相位滯后僅27 . 6 ，高次諧波分量小，抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明，系統的控制性能好，具有廣泛的應用前景
  15. Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target

    Arm的導引頭一般為單脈沖體制，因此，相干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾，不同的是:對雷達的干擾都是遠場，而導引頭隨著導彈不斷接近目標，兩點源與導引頭的相對位置發生劇烈變化，由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化，相位波前的畸變產生干擾，這就是相干兩點源誘偏的基本思想。
  16. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  17. ( 3 ) the basic theories and techniques on distributed radar cfar detection are reviewed. in particular, using the numerical performance simulation results, the performance of distributed cfar detect system under nonhomogeneous backgrounds and simple detect conditions are analyzed in some details. we have summarized the performance characteristics of distributed cfar detect systems against interference and edge clutter when different fusion rule is used

    西北工業大學博士學位論文（ 3 ）對分散式cfar檢測技術的相關理論、方法進行簡要總結與分析，特別是利用數值分析與性能模擬方法，對非均勻環境下簡單條件檢測系統的性能進行了較為深入和系統的研究，總結了不同融合方式時分散式cfar檢測在抗干擾與雜波方面的性能特點。
  18. Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated

    通過對脈沖壓縮雷達的信號特徵的研究和分析，通過研究線性調頻和相位編碼脈沖壓縮技術的原理和特點，建立了這兩種雷達的數學模型，並對此進行移頻干擾和相位編碼雷達干擾，並進行干擾性能的評估和模擬研究。
  19. We prove theoretically that under certain reasonable assumptions the formation is asymptotically stable even wills bounded disturbances ; that is, the proposed sliding mode controller can asymptotically stabilize the errors in relative distance, relative bearing and heading direction, respectively

    在合理的假設下，從理論上證明了存在有界干擾情形下機器人編隊的漸近穩定性，即所設計的滑模控制器使得相對距離誤差、方位角誤差及運動方向誤差漸近穩定。
  20. The problem is addressed through mathematical programming approach, the linear integer formulation is developed for optimizing the network throughput, and then the similarity between the original problem and the graph edge coloring problem is shown through the conflict graph concept. a column generation solution is proposed and several enhancements are made in order to fasten its convergence. numerical results demonstrate that the theoretical limit of the throughput can be efficiently computed for networks of realistic sizes

    一個對tdma機制的有效改進方法是空分tdma機制，它將無線結點之間的物理距離考慮在內，規定互相不干擾的通訊鏈路可以在相同的時間片內傳輸，從而減少了網路所需時間片的總量，從而提高了單位時間內可傳輸數據包的數量，即提高了整個網路的吞吐量throughput 。
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