特性失真 的英文怎麼說
中文拼音 [tèxìngshīzhēn]
特性失真
英文
characteristic distortion- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 真 : Ⅰ形容詞(真實) true; genuine; real Ⅱ副詞1 (的確; 實在) really; truly; indeed 2 (清楚確實) cl...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
-
As the uwb characteristics are represented at not only directional diagram and impedance bandwidth but also phase distortion
由於超寬帶特性不僅僅體現在方向圖和阻抗的帶寬上,而且要考慮其相位失真。Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic
本文討論的iir濾波器是一種遞歸結構的數字濾波器,主要用於能夠容忍相位失真而要求具有良好的衰減特性的高數據處理量的系統中。Methods of measurement for radio transmitters. part 4 : amplitude frequency characteristics and non - linearity distortion in transmitters for radiotelephony and sound broadcasting
無線電發射機的測量方法.第4部分:無線電話和播音發射機的幅頻特性及非線性失真It uses amplitude predistorter to recompose amplifier am / am characteristic and then to inverse, and uses phase predistorter to recompose am / pm characteristic
該技術使用幅度預失真器擬合放大器的am / am特性並求逆,相位預失真器擬合am / pm特性。The worst is that individual who is fully alienated finally easily loses real self and integrated self, living a modern life which is equal and quantitative and depends on money ' s specific property - abstraction, objectivity, unity, fungibility and universal validity
貨幣憑借自己的特性(抽象性、客觀性、統一性、可互換性、普遍有效性)給個體鍛造了一種平均化、量化的價值取向的現代生活,導致個體迷失了真實自我,進而丟失完整自我,最後被全面異化。The capacitance offset averaging network is used in the distributed track - and - hold circuit block of the designed system. finally, according to the analysis on error effects in adc, the mathematics error model is simulated. furthermore, the input - output characteristics including input -
最後,基於對a / d轉換器系統中誤差的分析,對其誤差數學模型進行了模擬,得到了包含延遲、限幅、諧波失真等誤差的輸入輸出特性曲線。Medical electrical equipment. characteristics of electro - optical x - ray image intensifiers. part 4 : determination of the image distorsion
醫療用電氣設備.電光x射線圖象增強儀特性.第4部分:圖象失真的測定First, resistance to geometrical distortion was obtained by using moment normalization ; second, we focus on the phase of fourier - mellin transform. before detecting watermark, synchronization could be retrieved by using the phase information. to eliminate the influence of pixel value distortion generated during print / scan process, a dft - based robust watermark algorithm was designed, which could successfully detect watermark from a severe distorted image
另一種思路是根據圖像經過旋轉、縮放、平移后,其傅立葉?梅林變換域只有相位受到影響的特點,從其相位中提取幾何失真信息,然後再進行相應的失真補償,從而消除幾何失真的影響;對于列印掃描過程產生的像素值失真,本文也提出了一種基於dft的魯棒性演算法,能在較嚴重的圖像失真情況下,成功檢測水印。The relays may lack the high speed switching characteristic of the solid - state state switches used by other preamplifiers, but they also have none semiconductor distortions and noise which accompany analog gates and voltage controlled amplifiers
與其他前級放大器所用的半導體開關相比,這些繼電器缺少高速轉換的特性,但它們沒有隨著模擬開關和電壓控制放大器所帶來的半導體失真和噪聲。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。The research important point of this thesis as follows : the first is to generalize the importance of administrative communication and its current insufficient performance, the trend of administrative communication and information distortion caused by e - government. speak up from the certain meaning, the administration activity is a continuous communicative process. only passed the communication, then can the administration activity go on wheel, then can the administration target attain. but information distortion of the administrative communication has constituted huger threat than before to our nation, society, organization. the second, investigating several typical information distortion phenomena in the course of administrative communication, which includes information distortion caused by media coverage, information distortion brought about by intrinsic
本文堅持以辯證唯物主義和歷史唯物主義為指導,採用比較研究、制度研究、邏輯分析等,對行政溝通發展趨勢及信息失真的危害性進行了分析,透視溝通失真的現象來剖析其原因,提出降低行政溝通信息失真的思路,並試圖探索構建適合行政溝通發展趨勢的電子政務溝通模式,構建過程中以行政溝通理論和信息不對稱理論為支撐,結合行政溝通自身的特點和我國行政實際,對防止行政溝通信息失真現象的出現進行的探索性思考,並提出了具有建設性的措施。Frequency response, quantization noise, reconstruction error and its sensitivity to mismatch among adcs are studied at length in prqmf banks adc system, and the theoretic results include : ( 1 ) the distortion / aliasing functions of hybrid filter banks adc system is similar with that of switch capacitor filter banks adc system ; ( 2 ) for wide or narrow band input signal, the effective resolution of the two adc systems is 0. 51og2m bits higher than their adc ; ( 3 ) reconstruction error ' s sensitivity to mismatch among adcs of the two adc systems is reduced effectively than time interleaved adc system
2對prqmf濾波器組adc系統的頻響、量化噪聲特性、重建誤差特性以及重建誤差對adc間的失配敏感性進行了理論分析研究,所得到的理論結果為: ( 1 )混合濾波器組adc系統與開關電容濾波器組adc系統的失真/混迭函數一致; ( 2 )無論輸入寬帶還是窄帶信號,這兩種adc系統的有效解析度均比其adc提高了0 . 5log _ 2m比特; ( 3 )這兩種adc系統的重建誤差對其adc間的失配敏感性均明顯低於時間交織adc系統。The present paper presents a new method for constructing optimal quantisation tables. the method produces optimal rate - distortion performance in a fixed block size dct
摘要提出一種構造擇優量化表的新方法。在一個固定塊尺寸的離散餘弦變換( dct )中,該方法可產生優化的率失真特性。In this dissertation, researching from the basic concept of large signal network analysis, we discuss the measurement theory and technology of rf network nonlinearity and the characterization technology of intermodulation distortion in detail, and analyse some nonlinear characteristic excited with a one tone or multi - tone, such as am - am, harmonic distortion, intermodulation distortion, adjacent channel power ratio and how to qualitatively analyse nonlinearity of rf network to make the measurement and calibration
本課題從大信號網路分析的基本概念出發,詳細討論了射頻網路非線性的測量理論和技術以及互調失真表徵技術,分析了在單頻音和多頻音信號激勵下的一些非線性特性,如am - am , am - pm ,諧波失真,互調失真( imd )和臨近通道功率比( acpr )等,以及根據包絡域方法定性地分析射頻微波網路的非線性特性,以此來進行射頻網路的非線性測量和校準。In communication systems like this, on account of nonlinearity which may arouse intermodulation of power amplifier may bringing the increaseing of ber because interferes from adjacent channel. hence, we did the analysis of relationship between im3 and ber in the system
但是在正是因為採取這種調制方式,由於功率放大器的( pa )非線性失真會引起交調效應產生同頻及鄰頻通道的干擾而使誤比特率( ber )增加。The image probably occurs color distortion that is influenced by optical equipment. in this paper, the hvs color invariance characters is construed, an complexion rectify algorithm based that is proposed, which can automatically adjust and compensate the image quality according to the external environment influence
攝像頭受外界光學環境的影響,採集的人像經常有顏色失真現象,本文通過對hvs的顏色恆常性特徵的分析,提出了基於hvs顏色恆常性的膚色校正演算法,可以自動校正和補償因外界影響而發生變化的人像膚色。In order to suppress the mirror wave interference, this paper brings forward a predistortion correction method. utilizing the predistortion property of ddws, it directly modifies the original inputs with time domain information of the output distortion waveform, which
這種方法利用了ddws的預失真特性,在不添加硬體設備的前提下,直接利用輸出的失真波形的時域信息對原輸入波形進行預失真修正。On the basis of analyzing information intention in a general meaning, systematically defining the extension scope of quality ' s concept, and researching of the division as well as establishment of the whole process ' s quality ring, it delves into the formation of product quality, the dynamic characteristics of product quality information, and builds the framework of quality information, nine implementation links of quality information transfer, and three function modules. and in the end, taking the analysis of information channel ' s distortion and noises in the general mode of information transfer, it puts forward ways to solve the " blocking - noise problem " in the transfer process of quality information in the respects of origin, channel and destination of information
以一股意義上的信息內涵分析和系統地對質量概念外延范圍的界定和劃分、建立全過程質量環的研究為基礎,詳細考察了產品質量的形成、產品質量信息的動態特徵,構建了質量信息框架、質量信息傳遞的九個實施環節和三個功能模塊,最後以一般性信息傳遞模式中通道失真與噪聲分析為基礎,提出從信源、通道、信宿三方面解決質量信息傳遞過程中「阻噪問題」的思路。This paper introduces some practicable way of eta, presents the principle of each method and compares their virtues and shortcomings. among them, the vca ( voltage controlled amplify ) becomes prominent for its good characteristics, such as wide output dynamic range, low nonlinear distortion, flat amplitude - frequency characteristics, high amplitude resolution
對衰減器的總體方案和實現方法作了全面的分析、並著重分析了電路設計和研製中的各個關鍵問題,如動態范圍,幅頻特性,相位特性,非線性失真等。In this paper, a new advanced general wide - band signal generator module is developed, which uses high speed fpga as its control - unit. the module can work in any system with different bandwidth and can generate any kind of lfm signal, whose bandwidth is less than 200mhz, and time - width is less than 870us
該模塊具有標準的輸入輸出介面,不同波段、不同帶寬的雷達系統均能直接使用,可以產生帶寬200mhz以內、脈沖寬度870us以內的線性調頻信號,具有預失真功能,能補償系統的特性特性失真,還可直接通過4倍頻或8倍頻實現帶寬的擴展。分享友人