零點干擾 的英文怎麼說

中文拼音 [língdiǎngānrǎo]
零點干擾 英文
zero interference
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 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...
  • 零點 : null point; zero end; zero point; zero; zero hour; null （函數或曲線的）零點標準（額） the nil no...
  1. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。
  2. The author wish this study win be used in the development of numerical control dividing lathe that can divide into groups of the size for precise measure of thickness of ompressor carboy hatch soft shim the system of pneumatic measure applied widely for component measurement in produce process in factory. the author 100kup a large number related documents over about one and half year for research and went to factory and related research institute for investigating

    並希望將這一研究結果應用於對「壓縮機缸蓋軟體墊片」厚度尺寸精密測量分組的數控分選機的研製。氣動測量系統以其測量倍率高、測量精度高、測量力小（ 0 . 05 1n ） 、對被測工件有自潔作用、測量精度保持性好、抗干擾能力強等優點而被廣泛應用於工廠生產過程中的零件檢測。
  3. Some anti - interference techniques are introduced such as appropriate circuit layout and wiring, the component and device screening as well as digital filter and the zero point processing in software

    提出了通過從電路合理的布局布線和元器件的篩選以及軟體的數字濾波和零點處理等措施來達到抗干擾的目的。
  4. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天線技術是目前通信和信號處理等領域的研究熱點，自適應波束形成演算法的研究是智能天線的一個關鍵技術，它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束，在干擾信號方向產生較深的零陷，是實現用戶信號最佳接收的有效方法。
  5. Adaptive antenna can react to interfering signal automatically, form the beam zero points at interference and keep the signal receptions in right directions

    自適應天線能自動地對干擾信號做出反應，將天線波束零點對準干擾方向，同時保持信號方向的接收能力。
  6. Mostly, traditional arithmetic of image edge detection distill edge using gradient maximum or zero - crossing which base on gray discontinuousness on edge. they are affected easily by noise

    傳統的邊緣檢測運算元大都是基於邊緣的灰度不連續性利用梯度局部最大值或二階導數過零點來檢測邊緣，容易受噪聲干擾。
  7. We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences

    系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點，同時在軟體中採用數字濾波以消除其它噪聲干擾，使檢測電路檢測到的反電勢過零點更加準確可靠，實現了對五位置傳感器直流無刷電機的數字控制。
  8. It is one of advanced technologies used in modern radar that applying adaptive algorithms to radiation pattern of an adaptive array in order to control nulls of the beam pattern and to suppress interferential signals

    在自適應天線陣的發射模式中應用自適應演算法，控制發射波束的零點位置，以達到抑制干擾信號的目的，是現代雷達採用的先進技術之一。
  9. This dissertation furthers investigate a regional lmmcs formed of scene and middle level emphatically. on the basis of enhanced m - bus and zero power technological, the paper developed corresponding software and hardware products, and took a series of non - electromagnetism interfere ways and the dependability design. put up the platform to simulate spot environment, and carry on the overall experiment to verify : every technical indicator and performance index of long distance multi - point monitoring and controlling system can be satisfied, and the system has very high theory value and practical value

    本文重點介紹了長距離多點監控系統在地下管網中的應用實例，對由設備層利控制層構成的地下管網監控系統進行了深入研究和分析設計，基於自主研發的增強型m - bus總線和零功耗設計技術開發了相應的軟硬體產品，採取了一系列抗電磁干擾措施及可靠性設計，並模擬現場環境搭建了平臺，進行了全面的實驗驗證。
  10. Secondly, the dissertations gives two array synthesis methods with aspect to circular array to cancel the ionosphere clutter, one is the circular max directivity synthesis method under condition of vertical pattern zero point restriction, the other is the circular max directivity synthesis method under condition of vertical pattern zero point restriction and efficiency restriction

    然後為了對消電離層干擾，本文給出了兩種圓陣列最大方向性綜合方法，第一種是在垂直面方向圖零點約束下的綜合方法，第二種是在垂直面零點約束和效率約束下的綜合方法。
  11. The delta operator is introduced to the h9 filter problem of discrete system, which is significant for the anti - disturbance of the high - speed sampled system. in the delta domain system, the coefficient of the gain matrix of the estimator is approaching to that of the continuous - time system. which not only guarantees the stability and the performance of the system but also avoids the also avoids the defects the z domain when the sampling periods is approaching to zero

    濾波問題中，這對于高速采樣系統的抗干擾及狀態估計具有很大的理論及實際意義，當采樣周期趨近於零時，估計器的反饋增益矩陣及閉環極點趨近於連續系統的反饋增益矩陣及閉環極點，從而可以採用離散的設計方法獲得連續系統的性能，既保證了系統的性能及穩定性，又避免了z域內設計的缺點。
  12. In the system, control unit accomplishes back - emf zero - crossing information reading and closed loop commutation. the system eliminates the pwm interferences and the commutating interferences by filtering with software algorithm. in order to make the bldc commutate exactly, the method of three - point estimation is used for phase locking in the system. the system also accomplishes several important objects, such as tmppt of photovoltaic arrays, unmanned supervision of the system, fault detection etc. the results of the experiment show that the device, which is made on the base of the principle above, can control the motor to complete the exact commutation

    系統以motorola單片機jl3為核心，完成了系統外圍硬體電路和控制軟體設計，實現了直流無刷電機反電勢過零檢測，利用軟體濾波的方式消除了pwm波干擾及換相干擾；採用三點預估演算法，進行相位鎖定，以完成直流無刷電機準確換相；同時實現了光伏陣列工作點的tmppt跟蹤、系統無人監控和故障檢測等功能。
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