重現濾波器 的英文怎麼說
中文拼音 [zhòngxiànlǜbōqì]
重現濾波器
英文
reconstruction filter- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 現 : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
- 濾 : 動詞(除去液體雜質) filter; strain
- 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
- 重現 : 1. (再現) reappear 2. (描繪出) reproduce
- 濾波器 : [電子學] electric filter; (electric) wave filter; filter
-
On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory
論文著重介紹實現了跳頻通信系統同步的一般方法,並詳細分析和對比跳頻同步系統的捕獲方案,在此基礎上,提出了一個基於匹配濾波器的位移等待式自同步方案,設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單,該自同步方法在實驗室水池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼率和一定的檢測概率,結果令人滿意。The design of apf is very important to both acc and dcc
濾波器的設計無論對于有源電力濾波器數字實現還是模擬實現都是至關重要的一環。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信號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信號處理演算法,如卷積、相關以及各種變換等。其中,利用dsp來實現數字濾波器就是很重要的一種應用。The mask acts as a low frequency spatial filter whose effect is to enhance rendition of fine detail.
掩模就象一個低頻空間濾波器,其效果是增強細節的重現。The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data
本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design
開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路,更適合電路的小型化,同時也實現高精度的傳輸函數,尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單,易於調試等優點,所以研究和設計開關電容濾波器有著重要的理論和實際意義。Firstly, this paper introduces the basic structure of narrow band fir digital filters. secondly, it analyses the components of narrow band fir digital filters, which conclude cic filter, hbf filter, resampling techniques. based on these analyses, the paper gives the full structure of narrow band fir digital filters and analyses its characteristics, which are frequencies response, anti _ aliasing and anti _ image
本文首先簡單介紹了窄帶fir濾波器的基本結構,然後對窄帶fir濾波器的各組成部分進行了詳細分析,內容包括:積分梳狀濾波器( cic )的特性和設計,半帶濾波器( hbf )和整形濾波器的特性和設計,重采樣技術的原理與實現。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net
系列進精密凈化電源是當今國際上普遍採用的現代電源調節技術,配以大容量濾波器與集成化控制系統構成;它具有如下特點:可靠性好、效率高、優良的動(瞬)態,體積小、重量輕、噪音低、負載適應能力強;適用於對電源要求較高的儀器或設備。However, the recent demand for immediate expansion of the fiber - optic communication window has been an area of significant interest
那麼對于增大edsfs帶寬及譜線平坦化的研究就顯得尤為重要,而一個主要的實現方式就是在edsfs中加入濾波器。Fir ( finite impulse response ) filter is one of the basic algorithms for digital signal processing, which is a kind of important lti discrete - time system, widely used in acoustic processing and image processing area
Fir ( finiteimpulseresponse )濾波器是數字信號處理的基本演算法之一,是一類較為重要的線性時不變系統,廣泛應用於聲音、圖像處理等現代通信技術中。Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and
基於光纖光柵的溫度響應特性,提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案,並論述了其補償原理,證明了該方法的可行性;同時可以看出,該方法不僅可以實現溫度補償,也可以減小光纖f - p可調諧濾波器的重復性誤差以及光源功率波動、探測器噪聲和電路噪聲等引起的誤差。Meanwhile, fully - controlled igbt enables reversible flow of field current and reduce in the size of filter elements of main loop, so that the complete of device becomes smaller and lighter
而全控式的igbt不僅可實現勵磁電流的可逆運行,而且由於提高斬波頻率,使主迴路濾波器件的體積大大減少,從而使整個裝置體積減小、重量減輕。The company s research was handsomely rewarded when the crystal growth team managed to produce its first 4 - inch ingot only one month after the arrival of new crystal puller. this first ingot weighing 6 kg is a 36o y - rotated cut crystal which is the most commonly used in rf saw applications
這支36 ? y軸旋轉切型的晶棒,是現在手機內部射頻聲表濾波器最常用的切型,其重六公斤,四英寸直徑的可用部分超過80毫米長度,可以加工出100片以上的拋光片。This algorithm decomposes and reconstructs a digital image using multi - resolution ratio of wavelet transform, analyzes the design method of compactly supported orthogonal filter, and realizes the image decomposition and reconstruction based on orthogonal wavelet
本演算法利用小波變換的多解析度特性來進行圖像的小波域分解和重構,分析了具有緊支集的正交小波變換濾波器的設計原理,實現了基於正交小波的圖像分解與重構。It consists of several parts as follows : in the first part, after an introduction of basic theory and history of filter banks, an analysis of lattice structure filter banks is given. the requirements of perfect reconstruction and linear phase are discussed and some constrains of filter length and symmetry property are analyzed in details. besides, relative designing practice and examples are given
論文的工作主要有如下幾個部分:第一部分,我們介紹了子帶濾波器組的基本理論和發展情況,研究了格型結構濾波器組,討論了其完全重構條件和實現線性相位的要求,並詳細分析了在實現完全重構線性相位格型濾波器組時濾波器的長度和對稱性約束,討論了優化設計的方法,並給出了例子。The error accumulation caused by the errors of modal vectors is banished and an emendation to the classical modal model is conducted, due to the extraction of the independent contribution of each mode by means of the orthogonality of the modal filter
通過對離散模態濾波器的改進,避免了載荷重構階段模態向量誤差引起的載荷識別誤差積累,從而實現了對經典載荷識別模態模型的校正。There are two methods to realize the function of the switched capacitor filter : dual - two order method and z - domain method. this thesis emphasizes to introduce the two methods and realize the functions with the two methods
開關電容濾波器的實現方法主要有兩種:雙二階法和z域法,本文著重介紹了這兩種實現方法並分別用這兩種方法對開關電容濾波器的功能進行了實現。Using separate tuning components would make the circuit complex and difficult to realize, so with the help of the optimization methods, we use the stubs of the filter as the tuning components
本文藉助優化演算法,利用濾波器的短截線實現對pin二極體寄生參量的調諧,使短截線發揮了雙重作用,而且也克服了一般調諧元件不宜安裝、使電路結構變得復雜等缺點。分享友人