消極干擾 的英文怎麼說

中文拼音 [xiāojígānrǎo]
消極干擾 英文
electronics passive countermeasure
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 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...
  • 消極 : 1. （否定的; 反面的） negative 2. （不求進取的; 消沉的） passive; inactive
  1. Compared with traditional oxygen detection methods, there are several advantages using this sensor : no oxygen consumption and reference electrode are needed ; no electronic current is needed and no disturbances happen if there is a magnetic field outside ; the intensity of the phosphorescence has n ' t relation to the stir and flow rate of the sample ; the response is rapid

    與傳統的測氧方法相比，它在測量過程中不消耗氧，不需要參比電極，不用連接電流，不受外界電磁場干擾，與樣品流通速率和攪拌速率無關，響應速度快。因此，近幾十年來，磷光傳感器的研究十分活躍。
  2. Placing the amplifier at the electrodes in the design of active electrodes, the interference caused by the lines between the amplifiers and the electrodes is eliminated

    這種設計方法的中心思想是將電極與前置放大器設計為一體，可以有效地實現阻抗匹配，消除因導聯線移動而產生的明顯干擾。
  3. Hands - free speech communication is indispensable in audio and video conference systems, hot - line telephones and videophones, mobile radio terminals, digital isdn network etc. however, the control ( cancellation ) of the acoustic echo has always had a strong impact on the transmission quality in hands - free telecommunication ~ [ 1 - 3 ] conventional methods of acoustic echo control ( cancellation ), such as echo suppression or gain control, may lead to the degradations in speech quality or make the speakers feel uncomfortable

    免提式話音通信在移動電話、熱線電話、車載電話及isdn網的電視電話會議等多種領域正得到日益廣泛的應用。但至今的免提式話音通信中，仍免不了受回聲引起的話音失真、甚至嘯叫等干擾，大大降低了免提話音通信的質量。由於聲回波對消問題尚未得到圓滿解決，實現高質量的免提式話音通信仍是一個極賦挑戰性的課題。
  4. A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished

    採用最小二乘極大似然估計和多項式擬合的方法，分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律，建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型，應用該模型對加速度計溫度干擾進行補償，補償后，加速度計輸出的擬合均方根誤差一到二個數量級，並且基本上消除了加速度計輸出隨溫度變化的趨勢項，使得加速度計測量精度得到了明顯提高。
  5. 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。
  6. The thesis brings forward the scheme that combines polarization filter and side lobe canceller to improve the anti - jamming ability of radar

    論文提出將極化濾波與旁瓣對消結合起來提高雷達抗干擾性能的方法。
  7. Thus the main and auxiliary polarization radars form a side lobe canceller system. based on the modeling of this system, an anti - jamming filter algorithm in the polarization - spatial domain is brought forward

    針對接收全極化雷達，在其旁邊放置全向雙極化正交陣列天線與雷達構成旁瓣對消系統，並根據系統模型提出了極化域-空域聯合濾波抗干擾演算法。
  8. Theoretical analyze and computer simulation prove that the side lobe canceller system using polarization radar can depress jammer while not damaging the signal, the overall performance is better than that of the system using polarization radar only in the auxiliary antenna

    理論分析和模擬實驗表明使用全極化雷達的旁瓣對消系統，可以在抑制干擾的同時盡量不損失目標信號，系統整體性能優于主天線為單極化時系統的性能。
  9. The iris normalization is invariant for translation, rotation and scale after mapping into polar coordinates

    極坐標轉換的虹膜歸一化方法，消除了圖像旋轉平移的干擾。
  10. 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
  11. Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - cross - polarization interference canceller

    數字微波無線電發射系統使用設備測量方法.地面無線電中繼系統測量.交叉極化干擾消除器
  12. Methods of measurement for equipment used in digital microwave radio transmission systems. part 2 : measurements on terrestrial radio - relay systems. section 11 : cross - polarization interference canceller

    數字微波無線電發射系統使用設備的測量方法.第2部分:陸地無線電中繼系統的測量.第11節:交叉極化干擾消除器
  13. Wlththe fleetingprogress ofcomputerteccioanddlgltaltechology ， newly devefoped duntlzed medicine techniques go on expending ， while computed radlographyls atyplcalmethods itheprocedure ofcomputedradlographylmaging ， we should irstlygetacross the characters ofklnds ofnolses andthe relationship betweenthe image signals andnolses basedonthe specialties o 土 computedradlo graphy images and medical image processing ， we h 。 e study the filtering methods r competed radlography images noises our mmor wo indudes ： 1 on the base of analyzing computed radlography imaging system in detail ， the author th 讓出 that the mnyor … noises are gausslanwie noise and polsson noise then ， the dlfferemrelationshlp ofbe 加 eentwo kinds ofnolses and sipal were studied completely 21 by conslderingboththe charactenstlcs ofcomputed radlography images andthe statistical feres ofwavelettransformed images ， a multlscale image iltenng algonthln ， which based on wo state hidden markov model （ hmm ） and mlxtule gausslan statistical model ， has been used to decrease the gausslan white noise in compmed images we expenmems as well as the comparison ith other denolsing methods werepresentedatlast ，

    在cr成像過程中，不可避免地引入各種噪聲干擾，極大地影響了醫生診斷的準確性，為此，只有弄清干擾圖像信息的各種噪聲的來源、特徵及其與信號的相互關系，才能有效地將之消除。結合cr影像以及醫學圖像處理的特點，本文研究了cr影像噪聲濾除的方法。主要工作有： [ 1 ]在詳細地分析cr成像系統的基礎上，指出固有噪聲和泊松噪聲是影響成像質量的兩種主要噪聲，並深入地討論了這兩種噪聲與圖像信號之間的相互關系。
  14. Recurring to rnathematic figure and examples and aiming at such questions as unbalanced current and induced voltage and high frequency interference, this paper has not only researched anti - jamming ability and measuring process of both three - electrode method and four - electrode method which are combined with reverse phase method, but also summarized actual measuring experiences

    通過數學推導和實例，圍繞消除地網不平衡電流、電壓極電流極引線問互感電壓、高頻干擾等問題，分析了三極法、四極法結合倒相法測量接地電阻的抗干擾能力和測量過程，並總結了實際測試經驗。
  15. Comparing to inducing - magnetic mode with 50hz alternating current, we can use lower frequency alternating current to induce the magnetic so that it can eliminate the noise at 50hz frequency and weaken the noise whose phase lags signal 90 ? greatly. comparing to inducing - magnetic mode using rectangle - wave current as the signal, using low frequency to induce magnetic can eliminate ( weaken ) the differential coefficient noise. thirdly, it eliminates or weakens all different noise by designing the circuitry effectively in the transforming signal part

    相對於50hz交流勵磁，這種勵磁方法可以採用更低的頻率來對微流量的磁路進行勵磁，一方面可以完全消除工頻干擾，另一方面可以極大地減小正交干擾；相對于方波勵磁，這種勵磁方法相當于多值方波勵磁，有利於消除或減少方波法勵磁所帶來的微分干擾。
  16. Cross polarization interference cancellation xpic

    交叉極化干擾抵消
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