近檢波器 的英文怎麼說
中文拼音 [jìnjiǎnbōqì]
近檢波器
英文
near detector- 近 : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
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The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble
系統採用電臺的電視伴音調頻信號,其中電臺信號與伴音信號功率之比基本為10 : 1 ,並且目標散射信號較弱,一般情況下淹沒在雜波和機器熱噪聲之下,採用常規的脈沖檢測方法很難對遠距離的目標進行檢測,而以電臺直達信號作為參考與目標回波信號進行相關檢測;系統中信號的相關處理會產生旁瓣,而強目標的旁瓣會影響附近的弱目標檢測。A seismograph is equipped with sensors called seismometers that can detect ground motions caused by seismic waves from both near and distant earthquakes
地震儀配備了能探測到來自近震和遠震的地震波所引起的地面運動的傳感器,這個傳感器被稱為地震檢波器。From the moon - vehicle in apollo plan to nowaday " spirit " and " opportunity ", which are mars vehicle made by nasa, and from battlefield patrol robot to pipeline testing robot and intelligent service robot, those all powerfully show that intelligent mobile robot is progressing with human being together
從阿波羅登月計劃中的月球車到美國最近推出的nasa火星探測機器人,從西方各國正在加緊研製的戰場巡邏機器人、偵察車到新近研製的管道清洗檢測機器人和智能服務機器人,都有力地顯示出智能移動機器人正在與人類共同發展和進步。The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary
信號檢測單元直接檢測皮帶速度,並輸出近似正弦波的電信號:信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理,並進行數字顯示;預警、報警、控制單元將信號與標準信號進行比較,經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。Then, a kind of wnn based on single - scaling multidimensional wavelet frames and its matching pursuit algorithm is introduced. it is applied to approximate the nonlinear terms with lipschitz property of nonlinear systems to establish the adaptive state observer. the robust fault detection is realized by the observer, demonstrating the predominant performance of the wnn
然後利用一種基於單尺度小波框架的小波網路,逼近一類滿足lipschitz條件的非線性系統的非線性項,構造自適應狀態觀測器,實現了系統的魯棒故障檢測,同時採用徑向基神經網路進行殘差處理,實現了故障預報。When sampling period is very low or close to ideal case for signal detection in additive gaussian white noise ( agwn ), the detection circuit with matched filter is optimal
摘要在加性高斯白噪聲信號檢測中,在采樣周期極小或接近理想的情況下,連有匹配濾波器的檢測電路是最佳的。Thus, it is difficult to find the voltage reference for the harmonic analysis. since acem are always operated near to the synchronous speed, the frequency of the excited voltage is very low, even to zero. therefore, this is the power harmonic suppression study of a complicated power supply system, in which the about harmonic general theories and methods are all inapplicable
現代交流勵磁電機( acem )採用電力電子變流器作為勵磁裝置,其勵磁電壓諧波含量豐富,難于獲得諧波分析所需的電壓基準,同時交流勵磁電機經常工作在同步轉速附近,致使勵磁電壓頻率極低甚至為直流,通常的諧波檢測方法和理論都無法適用,因而這是一種目前尚未深入探討過的復雜供用電系統電力諧波抑制問題的研究。Eddy - current sensor test technology is a kind of very popular untouched nondestructive test technology developed in last decades, which makes up five major modern nondestructive test technologies together with magnetic particle test, radial test, ultrasonic test and osmosis test
電渦流傳感器檢測技術是近年來應用較廣泛的一種無損檢測方法,它同磁粉檢測、超聲波檢測、射線檢測和滲透檢測統稱為五大無損檢測技術。With the upgrade of the micro - controller, microprocessor and digital signal processor ( dsp ), the examine and control system of active power filter ( apf ), which has been developed since 1980 ’ s and is a better equipment for harmonic elimination, inclines to digital
有源電力濾波器( apf )是80年代以來興起的性能較好的諧波抑制裝置,代表了諧波抑制裝置的發展方向。近年來,隨著微控制器、微處理器和數字信號處理器( dsp )的不斷升級, apf向著數字化檢測與控制方面發展。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This system the microprocessor technology and the ultrasonicwave range finder technology, the sensor technology and so on unifies, may examine the automobile in the back - draft process, after thevehicle the obstacle and the automobile distance, through the liquidcrystal display monitor demonstration obstacle distance, the position, and is away from the police according to the obstacle and thetailstock which far and near real - time sends out the different rank toshow the sound
該系統將微處理器技術與超聲波的測距技術、傳感器技術等相結合,可檢測到汽車在倒車過程中,車后障礙物與汽車的距離,通過液晶顯示屏顯示障礙物距離、方位,並根據障礙物與車尾距離遠近實時發出不同等級的警示聲音。Conventional detectors, for example, inductive loop, detectors using ultrasonic, microwave, or infrared, have been put into use for several decades. meanwhile, a promising approach, video - based measurement system, has developed quickly. since it has many advantages, for instance, wider - area detection and superior flexibility, many researches have been done in this area
交通流檢測器有電磁感應線圈、超聲波檢測器、微波檢測器和紅外光標等多種方式,而基於圖像處理的視頻檢測方式近年發展很快,因為它具有大區域檢測、設置靈活等優越性,已成為智能交通系統的一個研究熱點。The multiuser detection based on multiwavelet neural networks is proposed. the multiwavelet neural network is characterized by high approximation performance and rapid convergence, and so the multiuser detector based on a multiwavelet neural network possesses its advantages over existing neural network - based multiuser detectors
多子波神經網路具有逼近性能好、收斂速度快的特點,因此,多子波神經網路檢測器與以前的神經網路檢測器相比,也有其獨特的性能。The welding path recognition system was developed with delphi 7. 0 in the environment of windows2000, which functions include filtering, sharpening, binarization and edge detecting. the straight line and curve can be identified through hough transform and line approximation method and the results are saved for nc auto programming
能夠對從ccd傳感器攝取的焊接軌跡圖像進行濾波、銳化、二值處理、邊緣檢測等圖像處理工作,並通過分別通過hough變換、直線段逼近演算法完成對直線和曲線的識別,最後保存結果為后續nc自動編程提供數據。The various performance of the mosos - cfar detector was analyzed. the result shows that the mosos - cfar detector has good performance under the homogenous background, almost the same as that of the mgo - cfar detector ; good performance against clutter edge, excellent performance under multiple targets situation, the detector ' s detection performance dropped not much when the interfering target is less than r - k1 - k2
計算分析了mosos - cfar檢測器的各種性能,分析表明, mosos - cfar檢測器在均勻背景雜波中的檢測性能良好,和mgo - cfar檢測器的檢測性能相近;抗雜波邊緣能力良好,但是略差於mgo - cfar檢測器;在多目標環境中的檢測性能優秀,當干擾目標數少於r - k1 - k2時,檢測器的檢測性能下降很少。分享友人