波形混合器 的英文怎麼說

中文拼音 [xínghún]
波形混合器 英文
waveform mixer
  • : 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...
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  • 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  1. In this paper, combined with currently voice coding technique, espically with the fabulosity development of the mixed voice coding and the increasingly utility of the digital signals processor. we investigated the voice coding technique and discussed emphasizedly the technology of variable rate voice coding technology

    本文結當前語音編碼技術尤其是編碼技術的驚人發展及數字信號處理的日益實用化,研究了語音編碼技術,並重點討論了變速率語音編碼技術。論文簡要介紹語音編碼技術中的編碼和聲碼的主要性能。
  2. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回信號與目標輻射噪聲信號等的影響,建立回信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋響模型,模擬產生了聲自導系統基陣接收到的回信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結模擬程序中陣列信號處理模塊,給出固定多通道成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬
  3. 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,再結前邊的構成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。
  4. The class 3 test is the combination waveform test which i recommend as the appropriate test for an spd situated inside a building or as an spd integrated into equipment

    等級3測試是的測試,我建議適用於對建築物內部的電涌防護或整於設備內部的電涌防護的測試。
  5. Secondly : i choose a non - linear filter named hybrid filter which combines linear and nonlinear filters is proposed for print gray image, it performs better than average fil ters and median filters on noise reduction. while retaining edges of an image. i suggest a modified version and fast implementation of this filter improve its performance. because of its reduced computation complexity, this filter excels in real - time tasks

    因為噪聲時常包含非線性問題,針對這種情況,既要抑制噪聲,又要保護圖像邊緣,本文採用一從度指紋圖像上噪處理研究種基於線性,非線性的演算法,該演算法比均值濾彼,中值加權濾,格,具有更好的抑制噪聲的能力,不但較好的保持圖像地邊緣,而且能反映圖像的幾何結構和細節特性。
  6. A novel e - plane metal insert waveguide filter is presented in this paper. comparing to conventional e - plane waveguide filter, great improvments have been made in stop - band attenuation of a bpf

    為了提高e面全金屬膜片矩導濾的阻帶性能,本文對濾的結構做了改進,採用了膜片的式。
  7. Multifocal visual electrophysiology examining system is designed by erich. e. sutter recently, which records retinal bioelectric response to light stimulus. he stimulated different retinal regions by graphics and, at the same time, recorded mixed signals of response by a common electrode

    他利用圖刺激分別刺激視網膜的多個不同部位,用一個通道的常規電極紀錄多個不同部位的反應信號,再經計算機程序處理,把對應于各部位的提取出來,並用一立
  8. It also gives the motive of the ka - band vco and mixer, associated with the subject ' s requirement and the realistic conditions, according to which a proposal is confirmed that the gunn diode and the varactor are mounted in the same cavity to fulfill the vco and an antiparallel diode pair is used to fulfill the harmonic mixer. in chapter 2, based on the basic theory of negative resistance oscillating, we analyses the gunn oscillator and it ’ s tuning character. chapter 3 introduces the theory of millimeter - wave harmonic mixer

    以此為根據結課題需要和實驗室的實際條件,確定vco採用耿氏管腔體振蕩式,變容管與耿氏管安裝在同一個腔內以進一步減小體積,採用反向並聯二極體實現諧頻;第二章介紹負阻振蕩理論及其調諧原理;第三章介紹毫米基本原理;第四章給出了振蕩及諧的設計過程,整個組件聯調的結果;最後是結束語,分析了電路中存在的問題,指出了改進方向。
  9. At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively

    結果表明,對單位容量的諧源,採用與可變參數lc濾使用的並聯型有源電力濾系統,能夠有效地減少有源濾的容量,有效地檢測出高次諧分量,並進行諧補償,使系統的電流基本保持正弦。
  10. Input pulse signal can be directly transformed into micro - step linear motion by use of linear pulse motor, which have found wide applications in the digital linear servo systems with high positional accuracy and high reliability. taking slpmu - 025a, a two - phase hybrid lpm manufacturing by shinko motor company ltd, as an specimen, the study on the drive control system is carried out in this thesis, which contains : ( l ) three kinds of drive circuits are designed and comparison analysis in theory is done ; ( 2 ) introduction to at89c51 microchip as controller and special micro - step constant current driver, a great variety of running modes driver control are developed ; ( 3 ) experimental testing and theoretical analysis of current waveforms and displacement graphs and velocity graphs are carried out in case of different micro - step constant current driver

    本文以日本神鋼電機株式會社生產的兩相式直線脈沖電機slpmu - 025a為樣機,對直線脈沖電機的驅動控制系統進行了研究,內容包括: ( 1 )設計了幾種直線脈沖電機驅動電路,從理論上進行了對比分析研究; ( 2 )用at89c51單片機作為控制,採用專用的恆流細分驅動sh ? 2h057m ,實現了開環控制方式下對slpmu ? 025a樣機各種運行方式的驅動控制; ( 3 )對不同細分數下恆流驅動的電流以及各種運行方式下的位移圖、速度圖進行了實驗測試和理論分析研究。
  11. A low detonation velocity explosive with medium density ( lg / cm3 ) and proper power ( > 320ml ). which made from obsolete propellant by controlling the granularity and adding the inhibitor, is studied in this thesis ; the distribution of water in the powdery propellant is described, the effect of detonation velocity from different granularity of powdery propellant is studied and the simulated mathematical model on leakage of water in low detonation velocity explosive is also showed furthermore, the method involved in controlling the leak of water in explosive is provided. meanwhile the effect of inhibitor is experimented some of formulations and processes of low detonation velocity explosive are given in details

    廢棄發射藥可直接用來製造凝膠炸藥,在發射藥顆粒的空隙中加入氧化劑和高分子的溶液,經過一段時間后氧化劑溶液變成凝膠狀態即可制得灌注炸藥,該灌注炸藥具有密度較高( 1 . 4g / cm ~ 3 ) 、抗水、爆速較高的特點;文中對灌注液所涉及的材料、工藝流程進行了研究;分析了灌注炸藥的力學性能;利用灌注炸藥的高爆速及發射藥的低爆速組成一定狀可用來成特殊的爆轟,利用matlab程序設計出了平面發生並對影響因素進行了討論。
  12. According to the following design theory : the dsp calculates in real time and produces three phases spwm waves to control the on or off of the 6 igbts in ipm respectively. ipm then inverts the commutated single phase direct current ( insulated gate bipolar transistor ) into three phases alternating current. when modulated signals of spwm are changed, the on - off time of switches also changes, so as to the voltage and frequency of output signals

    本文提出了一種基於dsp (數字信號處理tms320f240 )的通用的三相間接變頻電源系統,利用分段同步調製法和查表法,實時計算不同頻率下的采樣周期、電壓幅值、輸出脈寬,產生雙極性spwm,經驅動放大後用于ipm ( intelligentpowermodule )中的絕緣柵雙極型晶體管柵級驅動,以控制電源的輸出電壓和頻率,實現變頻電源的智能數字控制。
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