濾波器輸出 的英文怎麼說

中文拼音 [shūchū]
濾波器輸出 英文
fo
  • : 動詞(除去液體雜質) filter; strain
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  • 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved

    4 、分析了fmzi型interleaver的工作原理,其光譜曲線為類餘弦函數;採用級聯fmzi方案,實現了interleaver的光譜平頂光譜;最後,基於偏振光干涉和多光束干涉原理,分析了bgti型interleaver工作原理,模擬了g - t腔部分反射系數r與光譜的關系,獲得了50ghzbgti型interleaver平頂化光譜。
  3. 3. the principle of the interleaver based on the interference of polarized light is analyzed theoreticallyand the interleaver architecture of this kind is presented. a 50ghz interleaver is designed and the two series of interleaved spectrum like cosine function is obtained experimentally ; by using the tandem of two birefringent crystals with different optical path difference, we get the flattop spectrum

    3 、分析了pbi型interleaver的基本原理,給了一種pbi型interleaver結構;設計了50ghz光學梳狀,實驗得到了該件兩組交錯分類餘弦光譜;採用不同光程差的晶體級聯方案,實現了光譜平頂化。
  4. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線振蕩由寬帶放大、可調衰減和聲表面質量傳感件構成。延遲線振蕩信號經后與109mhz的本機晶體振蕩信號相混頻,通過低通取其差頻,並經整形後由數字信號處理電路處理。
  5. The power ’ s quality is decided in the system performance, the amplifier has 4 groups ’ power sources, input 220v through the filter, the transformer transformation, the full - wave rectification, finally through manostat leveling off voltage, after the electric capacity filter outputs

    電源質量的好壞是決定系統性能的一個重要因素,放大共4路電源,入220v通過型,變壓變壓,全整流,最後通過三端穩壓穩壓,電容
  6. 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 、採用以信噪比最大為準則的最佳匹配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組作縱向傅立葉變換來除靜態或低速的雜、多徑回等干擾信號,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。
  7. Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced

    本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換的雙向電壓源型高頻環節逆變電路結構,由入周變換、高頻變壓變換、以及入、構成;雙向電壓源高頻環節逆變電路拓撲族,包括推挽全式、推挽橋式、半橋全式、半橋橋式、全橋全式、全橋橋式六種電路。
  8. Abstract the paper gives a circuit of second band active filter ? made of secondary current transmitter, it not only is of the function ? of the voltage filter, but also the current one

    摘要提一種使用第二代電流傳構成的二階帶通有源電路,它既可實現電壓功能,也可實現電流功能
  9. We also propose a new subsidiary method for finesse measurement based on selfhomodyne by x m. using of resonating of the intra - cavity amplified spontaneous emission ( ase ) light, without extemal light source

    同時提利用腔內ase光的線寬來測量有源光纖環形腔的精細度,而不需要注入光。
  10. The problem discussed in this paper is to separate two ( or more ) input signals from observed signals which are generated by passing input signals through diffrent unknown multi - input multi - output linear systems. it is proved that the input signals can be separated when they are independent identitically distributed ( i. i. d ) signals. a new algorithm for multi - input multi - output blind deconvolution via maximum entropy is presented which needs no information about the input signals and mixing filters

    本文研究的問題是從觀察信號中分離兩個(或者更多個)入信號,其中每一組信號分別通過不同的未知多入多線性系統.本文證明了當入信號是兩兩相互獨立的獨立同分佈信號時可以分離入信號,並導了基於最大熵的多入多盲解卷新演算法.這個演算法不需要任何關于入信號和混合的先驗知識
  11. Abstract : in this paper a new identification model constructed by neural networks with modified inputs and stable filters is presented for continuous time nonlinear systems in order to reduce the inherent network approximation errors. an adaptive law with projection algorithm is employed to adjust the parameters of networks. under certain conditions, convergence of the identification error is proved

    文摘:在用神經網路進行系統建模時,建模誤差的存在是難免的.為了減小這種誤差,本文對連續時間非線性系統提了一種新的神經網路辨識模型,它是由帶有入修正的神經網路和穩定組合而成.文中給了權值的學習演算法,即權值是根據辨識誤差的投影演算法來改變,證明了在一定條件下辨識誤差的收斂性
  12. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對系統的要求,根據理論分析了巴特沃思型的逼近原理並設計了合適的電路; ( 3 )用調制解調晶元sc1128和自行設計的加之輔助外圍電路,構造低壓電力線載通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制; ( 4 )分別對採取抗干擾措施前後入和信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  13. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的來改善由逆變功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  14. The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models

    本文以葛上直流電工程為基礎,研究直流設計中的相關問題,採用考慮了雜散電容的三脈動模型來建立換流站模型,更為準確地模擬直流電線路上的諧分佈情況,尤其是模擬舊模型中忽略的次(為自然數)諧,為直流的設計提供了更精確的數據和判斷依據。
  15. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生的設計,該航跡產生是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看,設計這樣一個航跡產生是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提了一套適合組合導航卡爾曼的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。
  16. The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made

    第三,對速調管同軸線寬帶迴路進行研究和探索,設計了一個適合用於l段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路,並對其穩定性和峰值功率容限做了一些分析。
  17. A novel dgs lowpass filter is used to purify if signal

    中頻引通過新穎的dgs低通
  18. And a novel systematically method, using linear combination approach to design high order filter, has been proposed. the designed filters can be adapted by adjusting the bias currents, without changing the physical structure. the results of the examples and pspice simulator show the advantages and availabilities of this method

    並且提了多項式線性組合法,採用該方法不但能設計所要求的高階電流,而且能在不改變物理結構的情況下,利用電流控制傳送的特性,調整其偏置電流,實現濾波器輸出特性的改變。
  19. In order to remove noise in images perfectly, a class of the generalized morphological filters ( gmfs ) was introduced. we set up the relations between the gmfs and the stack filters, and analyzed the output statistical properties of the gmfs under various input distributions. by simulation and comparison, we verified that the gmfs had better performances than the traditional morphological filters in noise - suppressing and detail - preserving

    為了更好地除圖象中的噪聲,本文研究了一種廣義形態.在建立廣義形態與層迭關系的基礎上,分析了各種入分佈時,廣義形態濾波器輸出的統計特性.通過模擬比較,驗證了在噪聲抑制和細節保持方面,廣義形態比傳統形態有較好的性能
  20. The output of filter is transformed and then dielectric loss angle ' s tangent is computed by three method - fft, faft or czt, later the three method ' s advantage and disadvantage on computing compute dielectric loss angle ' s tangent is contrasted, at last faft is selected in this system

    分別用快速傅立葉變換( fft ) 、抗混疊快速傅立葉變換( faft ) 、線性調頻z變換( czt )對濾波器輸出信號進行變換進而計算介損角正切值,然後比較它們三者在此問題上的優劣,最後我們選用faft法。
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