混成濾波器 的英文怎麼說

中文拼音 [húnchéng]
混成濾波器 英文
composite filter
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • : 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
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小軟閾值進行修正,用修正後的值作為小閾值。
  2. 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。延遲線振蕩輸出信號經后與109mhz的本機晶體振蕩輸出信號相頻,通過低通取其差頻,並經整形後由數字信號處理電路處理。
  3. The susceptance due to discontinuity of the sections of the septum is accounted for. then construction parameters of the bpf is determined applying network synthesis theory. by the accurate model and highly efficient iteration algorihtm, the e - plane metal suptum waveguide bpf can be designed rapidly and accurately

    用此cad軟體設計製做的e面單膜片、雙膜片合膜片均很好地滿足了設計指標的要求,能夠應用在毫米孔徑雷達上。
  4. Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result

    2 .給出了應用粒子改進直達與非直達合環境中移動終端跟蹤性能的新演算法,特色是利用數值方法計算合噪聲密度函數,結合二元環境信息完估計。
  5. In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz

    該組件由五個部分組:功率為10dbm信號經過導? ?微帶過渡,然後頻,將30ghz提高到35ghz除不需要的諧鏡頻以及三階交調信號,為了彌補的變頻損耗,加一級功率放大,此放大採用hittle公司hmc283晶元,此上變頻放大組件完了上變頻??放大功能。
  6. The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper

    採用了當前比較熟、先進的微傳輸技術和設備,如高效的縫隙天線、高品質、高精密的晶體震蕩、功率回退技術、預失真校正技術,結合工程實際,設計了湖南電廣網路33家合資公司的mmds無線微數字電視覆蓋的基本技術方案,和個別地區(冷水江市數字微工程)的多級微傳輸的具體技術方案。
  7. Compared with the traditional methods of artifacts elimination, ica, a kind of spatial filter, does not be restricted by the case of spectrum overlapping, and have a good reservation of useful detail signals

    此外, ica這種空間不受信號頻譜迭的限制,消噪的同時能對有用信號的細節分做到很好的保留,很大程度上彌補了時頻域方法的不足。
  8. Analyze, design and simulate the digital down - convert frequency. first, the analogue if signal is converted to digital if signal in one a / d convertor which used passband sampling theory. the digital if signal is then passed to a pair of digital mixers operating in phase quadrature for mixing the if signal to baseband signal

    首先利用帶通采樣定理對中頻模擬信號進行a / d變換后將其頻到基帶,然後用平方根升餘弦滾降同時完低通和匹配雙重作用,以提高解調的效率。
  9. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後,實際研製了一套以dsp (高速數字信號處理)和ipm (智能功率模塊)為核心的小功率合型有源裝置,在交交變頻acem實驗平臺上進行了全面的實驗研究,充分驗證了本文所提出的自適應同步相關技術、優化合型拓撲結構和有關的關鍵性技術的正確性和實用性,從而從理論到實踐全方位、功地實現了對交流勵磁發電機輸出電力諧抑制的研究。
  10. The paper designs a more lpf and a numberical filter to eliminate the error, and a frequency tracing tache because system frequency fluctuates ceaselessly. this guarantes synchronization sampling

    為了消除頻率疊帶來的誤差,專門設計具有較好性能的低通和數字;由於系統頻率動性,設計有硬體電路組的頻率跟蹤環節,最終實現采樣周期和信號周期同步。
  11. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀的可靠性系統模型,探討了石油測井儀的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字的基本理論、數字方法的概況,並進行了分析;對伽瑪信號數字效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字方法及效果評價方法;探討了自然伽瑪信號數字的設計方法,提出了適合自然伽瑪測井的方案,探討了方案的實現途徑;通過對部分數字方法的定量研究,給出了靈活可選的數字系統構及實現流程;提出的三種方案,將用於era2000像測井系統,對自然伽瑪測井數據進行處理。
  12. Hybrid integrated circuits detail specification for type hmsf - 600 power filters

    合集電路hmsf - 600型電源詳細規范
  13. Combined active power filter and reactive power filter make up hybrid active power filter which not only reduce the cost but also have good harmonics compensation effect, so hybrid active power filter reaches a practical purpose. the paper introduces the concept of harmonics 、 its harm to power grid and limitation of harmonics voltage and current harmonics, and it also demonstrates the necessity of eliminate harmonics, and briefly introduces several methods to eliminate harmonics and research of both here and abroad

    將有源電力與無源電力相結合,構合有源,取兩者之長,補兩者之短,既可以降低諧補償系統的本,也可以有良好的諧補償效果,從而達到合有源實用的目的。
  14. This thesis mainly describes a tesing and consoling kit based on ni " s special virtual instrument software development kit - labwindows / cvi, aming at traditional testing device " s limitation such as high cost of hardware, complexity of construct, singleness of function etc. the tesing and consoling kit can condition the signal intermixed with interfere noise and deal with the collected datum through common signal conditioning ( amplification, isolation multiplex filtering ) -, software calibration digital filtering etc to analyse signal in time and frequency domain

    本文針對傳統測量設備硬體本高、構造復雜、重用性差、功能單一等方面的問題,著重探討了利用ni的labwindows cvi這一虛擬儀開發軟體構建的測控平臺,通過通用信號調理(如放大、隔離、多路轉換、模擬等) 、軟體校正、數字等方法對雜有干擾的信號進行調理及採集后的數據進行處理,然後進行時域或頻域的分析。
  15. In the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals

    首先,論文從分散式光纖光柵應變傳感網路的理論模型入手,分析了光纖布拉格光柵的傳感機理,建立光纖光柵應變傳感模型;在分析比較了常見幾種復用技術和信號解調技術的優缺點基礎上,提出應用光頻域反射復用技術和分復用技術相結合的合復用方法來解決光纖光柵應變傳感網路的尋址問題,採用由寬帶光源和可調諧光的可調諧窄帶光源來解調復用信號,通過理論分析和實驗研究證實了系統方案的可行性。
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