等信號法 的英文怎麼說

中文拼音 [děngxìnháo]
等信號法 英文
equal signal method
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. The hardware of the ip phone codec to be designed is based on the fixed point digital signal processor ( ti ' s tms320vc5410 ) while the compression and decompression core in the software of dsp is based on the itu - t vg. 729a. ip phone codec carryout the task of collecting / playing - back. coding / decoding of speech signal and communication with embedded cpu. etc

    該語音編解碼器的硬體基於tms320vc5410 ,編解碼演算遵循itu - tg . 729a協議,能夠實現語音的採集/回放、編碼/解碼以及同嵌入式cpu通功能,在8kbit / s的碼率下能夠提供獲得良好的語音質量。
  2. Not only it bring some new methods of testing signal and the graph - display of changeful shape, but also source data is may saved

    它提出了檢測的新方,新的多方式圖形顯示,對歷史數據的新型存儲載體
  3. Dsp chip is especially fit for digital signal processing, its main application is realizing all kinds of digital siginal processing arithmetics such as clove hitch 、 correlation 、 all kinds of transforms etc. realizing digital filters with dsp is an important application

    Dsp晶元是一種特別適合於進行數字處理運算的微處理器,其主要應用是實時快速的實現各種數字處理演算,如卷積、相關以及各種變換。其中,利用dsp來實現數字濾波器就是很重要的一種應用。
  4. In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and short - time zero - crossing rate is proposed for the first time to determine the exact boundaries between different components of heart sound

    本文通過使用雙門限、迭代,改進了基於能量的分段演算,並首次引入短時過零率以更準確地定位分段邊界。
  5. Lastly, we change the unequal time distance wheel speed to equal time distance wheel speed. according to the model of torsional vibrations, we introduce the spectral estimation method to design tpms. when the tirepressure is leaking, the peakvalue of the periodogram of the wheel speed will move to the real axis

    4 .利用核函數,提出了基於epanechnikov核函數的插值方將採得的不間隔的輪速轉換成間隔的輪速。利用輪胎滾動方向的振動性質提出了譜估計
  6. The tv goniometer is the ground control equipment of a model of anti - tank missile. it uses two ccd cameras and the signal extraction method of background counteract, which can make the guiding process of anti - tank missile wo n ' t interfered by sunlight, firelight of battle field, light, flame tracer etc. it can greatly improve the anti - interfering ability of the anti - tank missile system

    該電視測角儀是某型反坦克導彈武器系統的地面控制設備,它採用兩個ccd攝像機和背景抵消的提取方,可使反坦克導彈的制導過程不受太陽的反光、戰場的火光、燈光、曳光彈干擾。
  7. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方進行模式識別,在對神經網路、最近鄰、模糊邏輯和專家系統及一些交叉方模式識別方進行比較分析的基礎上,根據電能質量故障分析的特點,提出了採用規則基專家系統的方,該模式識別方具有便於擴展、修改和識別率高特點。
  8. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻及多種小波函數做了模擬結果比較,實驗結果證明該演算可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元硬體設備支持下,可以有效應用於實際復雜多變源編碼。
  9. In addition, the solutions are given to the calibration of the weight of other types of nodes, such as interchanges, grade crossings with turn ramp, unsignalized intersections which the main traffic has priority, and entrances / exits of urban expressway

    此外,針對互通式立交、 「立交平坐」路口、主要道路具優先權的無交叉口、快速路出入口類型的結點,對其結點權重的標定方,提出了相應的解決方案。
  10. 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息處理的基本理論與方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波與目標輻射噪聲的影響,建立回波的數學模型、環境場中的噪聲模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波與噪聲; ( 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的時域與空域處理,並結合模擬程序中陣列處理模塊,給出固定多通道波束形成的模擬實現過程; ( 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器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。
  11. The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality

    而浸漆乾燥工藝作為電機、變壓器電氣設備的修理、製造中的重要環節之一,對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手,聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷,提出了熱風循環乾燥的概念,同時,選擇了較為先進的a d板卡、熱電阻調理板專業化智能卡,運用數字pid控制技術,構成了一個較有特色的計算機控制系統。此外,該文還從保證乾燥品質量的角度,採用智能化交流模塊和自製采樣調壓電路的方,提出了在線檢測產修品的絕緣電阻的方和手段,以確保企業產品質量不斷提高。
  12. 4. the signal data collected in expteriment are taken out in emulational research of system experiment. many methods such as adding window in frequency field, eliminating static object and so on restrain the width and sidelobe of static mussy weaves and detect out the target availably

    4 、在系統實驗模擬研究中調出實驗採集數據,使用頻域加窗不加窗、清除靜態目標很好地控制了靜態雜波干擾的幅度及旁瓣,有效地檢測出了目標。
  13. 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

    具體研究方如下: 1 、採用以輸出噪比最大為準則的最佳匹配濾波器來對分段的參考和目標作相關處理來檢測低噪比目標,然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波干擾,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參數,就可以實現目標的定位和跟蹤。
  14. But the signals mixture problem can be brought on by the drop of adaptive performance caused by using subarray and by overmany radiation sources. so bbs is used to solve the problem. this dissertation focuses on subarray architectures and the algorithms of ica, and proposes a new and more practical subarray architecture and a more suitable algorithm to separate radar signal

    同時針對採用子陣導致自適應性能下降以及現代雷達環境多個輻射源問題引起混疊現象,論文採用盲分離來對雷達進行分離處理,並針對雷達的特點提出一種適用的演算
  15. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性,網路中鏈路總數的期望值,網路中節點度數分佈情況,以及網路連通性與無線傳輸半徑的關系,得出了其解析描述。
  16. So, the emphases are put on this part. first, all sources of noise are analyzed and calculated to determine the parameter of component and estimate the feasibility of the system. second, on the one hand, low noise wideband and high gain amplifier is detailed particularly in the design of hardware, on the other hand, several mathematical methods are introduced to reduce the noise further in the design of software

    首先,詳細分析了整個系統的噪聲來源,計算可能出現的噪聲,在器件的選擇上對參數提出要求,並分析方案的可行性;其次,在硬體設計上,兼顧帶寬,噪聲與放大倍數;在軟體設計上,採用累加平均,最小二乘擬合處理方,進一步降低噪聲。
  17. The arithmetic expressed in this text solved contradiction between the watermark ' s transparence and the arithmetic ' s maleness, using the inlaid watermark of that arithmetic having goodly transparence, and the result of the experiment shows the arithmetic has goodly maleness to jpeg compress, noise, low channel filter wave, mosaic, signal tone up, secondary watermark, cut and zoom, especially to sharpen, strengthen contrast, strengthen edge, equilibrium, and so on, signal strengthen can hardly effect to get away the watermark

    實驗表明,本文演算較好地解決了水印透明性與演算魯棒性之間的矛盾,使用該演算嵌入的水印具有較好的透明性,同時本文演算對jpeg壓縮、噪聲、低通濾波、馬賽克、增強、二次水印、剪切和縮放操作有較高魯棒性,特別是銳化、對比度增強、邊緣增強、直方圖均衡增強處理幾乎不影響水印的抽取。
  18. Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model

    作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方好壞的主客觀標準;然後,一方面從處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究,其中運用了時域滑動窗口積累,小波分析,時頻分析以及線性預測處理知識,做了大量的模擬實驗;另一方面,本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾,以及對發射進行調幅、調相以及改變調頻斜率來抗干擾,同樣做了相應的模擬實驗。
  19. All these make it possible for software radio ' s realization. according to the concept of software radio, the thesis realized digitalized demodulation by software after the if. based on a uniform hardware platform, diverse arithmetic is used to demodulate lsb, usb, am, cw signal

    本文即是依照軟體無線電的思想,對短波接收機中頻以後實現數字化改造,在統一的數字處理硬體平臺上,利用通用的dsp器件採用不同的軟體演算來實現lsb 、 usb 、 am的解調。
  20. Based on the method and combined with other techniques, frequency, period, time interval, phase and many other signals can be measured accurately

    該方可以被廣泛地應用於高精度頻率、時間及相位的測量。
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