noise distortion 中文意思是什麼

noise distortion 解釋
雜音畸變
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  • distortion : n. 1. 歪扭，扭曲。2. 【電學】（信號、波形等的）失真；【物理學】（透鏡成像產生的）畸變；【醫學】扭轉，變形。3. 竄改，歪曲，曲解。adj. -al
  1. High output level, low noise and low non - linear distortion

    輸出電平高，低噪音和較小的非線形失真。
  2. Uses philips modules and high quality, sensible pin photo - diode, provides high rf output, low noise and low non - linear distortion

    採用飛利浦光電模塊和優質量高靈敏度pin光電二極體，輸出電平高，低噪音和較小的非線性
  3. Thd n total harmonic distortion plus noise

    總諧波失真加噪音
  4. A tv target tracing system has following features : real - time, image indistinctness on the ground of dynamic tracing and external environmental distortion, high noise background intensity and so on

    電視目標跟蹤系統實時性強，由於是動態跟蹤和外界環境干擾，所以導致圖像不清晰、背景噪聲較強。
  5. Computer simulation results show that the proposed algorithm reduces the signal distortion and the reverberation which are caused by misadjustment errors in the adaptive filter and the correlated component of the speech in the reference signal compared with a conventional adaptive noise canceller ( anc )

    模擬結果證明nanc演算法有效克服了影響傳統自適應噪聲抵消系統（ anc ）性能的一些瓶頸，如兩輸入中的非相關噪聲，參考輸入中的信號成分與自適應濾波器失調誤差而產生的信號失真、回響等情況。
  6. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上，系統、深入地分析了共焦掃描顯微成像的機理，論述了應用單模光纖的激光共焦掃描顯微成像系統的優點；進行了總體方案的論證，並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案；從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系，分析了系統耦合效率和漸暈現象對光學系統的設計要求；完成了方案中光學系統和二維掃描控制電路的設計，並在電路設計中採用了用軟體解決檢流計式光學掃描器（振鏡）非線性問題的新方法，能夠實現較為理想的二維模擬掃描；完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  7. This dissertation only considers the signal ’ s distortion by interconnect, such as delay, reflection, discontinuity of microstrip, crosstalk and simultaneous switching noise, and so on. nowadays, there are some simulation software in pcb level, but they are lack of the well ability of modeling. in order to simulate the interconnect accurately, we have to make use of three - dimension full wave analysis method, whose disadvantage is low speed in computing, but is competent for developing rules in high - speed designs

    目前也有一些針對這些噪聲的高速pcb板級模擬軟體，但它們都缺乏詳盡的建模能力，特別是當頻率逐漸提高和電路板日益復雜后，更是顯得無能為力，要精確地對互連結構進行分析，三維全波模擬器似乎不可缺少，其缺點就是速度慢，對整板模擬很難實現，但非常適用於規則開發，而這正好是本文除了建模與模擬方法研究外另一個重點。
  8. 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。
  9. 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。
  10. In signal space, speech enhancement is adopted to effectively suppress the noise and increase the discriminative information embedded in noisy speech signal. however, the speech distortion introduced by enhancement, as well as the residual noise, is a very adverse factor for recognition

    在信號空間，利用語音增強有效抑制噪聲，提高輸入信號中的鑒別信息，但增強帶來的語音失真和增強后的剩餘噪聲是對語音識別非常不利的因素。
  11. Anfis - based matching algorithm and compensated recognition algorithm are robust to noise and distortion, and achieve a high accuracy. all of the experiments are tested on standard fp database, and compared accuracy with other related methods. the element and grate of what can result in error is analyzed and compared by experiments

    所有的演算法都經過標準指紋庫驗證，並與相應的其他方法在誤差率方面作了比較，分析了導致演算法誤差的因素及程度，結出了實驗結果和對比，分析了演算法的不足之處，並提出了改進方向。
  12. Parameter - tuning stochastic resonance ( psr ) is a more realistic way to handle the phenomenon of sr in a broad sense. based on the theory of psr, some key problems of using sr in signal processing are studied, these issues include : the application of intrawell sr in multi - frequency analog signal processing, recovery of the waveform distortion caused by the bistable system and other post treatments, measure of system performance with multi - frequency analog digital input and measurement of system performance of binary digital input. the results are used in signal detecting under the background of the real sea noise

    隨著參數調節隨機共振（ psr ）概念的提出，隨機共振在信號處理中的應用有著很大拓展的空間，本文就主要研究幾個目前隨機共振在信號處理中應用時經常碰到的問題，其中包括阱內隨機共振現象對多頻模擬信號處理的應用、雙穩態系統輸出的波形畸變的消除及其他后處理、適用於多頻信號的輸出性能衡量指標、二進制數字信號輸入情況下的系統輸出的性能衡量，並將所得的結果應用到了一個自然界的噪聲? ?海洋噪聲背景下的信號檢測中，這些研究對于隨機共振理論的進一步發展及其在非線性信號處理中的應用具有重要的意義。
  13. The information which we transmit to user is the result of sound recognition and a piece of sound, so the quality of gathered sound has the effective on the result of sound recognition. we introduce emphatically sound sensor node ’ s high - precision, low - noise, low electric consume and low - distortion

    在本文中我們傳送給用戶的是聲音數據的識別結果和目標物的一段聲音，所以聲音採集的質量對節點識別結果有一定的影響，在本文中我們重點研究了聲音傳感器節點的高精度、低噪聲、低失真率和低功耗設計。
  14. It can be concluded after analysis that the speech distortion and the residual noise can be approximately regarded as multiplicative noise and additive noise, respectively. thus, we use a parallel model combination ( pmc ) algorithm, which is deployed in model space, to adapt the parameters of speech models to compensate the residual noise, or we use a cepstral mean normalization ( cmn ) algorithm in feature space to compensate both the speech distortion and the residual noise

    分析表明，語音失真和剩餘噪聲可近似看作乘性噪聲和加性噪聲，因此可在模型空間利用并行模型合併（ pmc ）演算法通過調整模型參數對剩餘噪聲進行補償，或者在特徵空間利用倒譜均值歸一化（ cmn ）演算法對語音失真和剩餘噪聲同時進行補償。
  15. This paper proposes a new adaptive noise canceller ( nanc ) with low signal distortion for speech enhancement after presenting an overview, in a unified perspective, for a number of the speech enhancement algorithms

    論文首先介紹了各種語音增強演算法。然後，重點提出了一種低信號失真的新的自適應噪聲抵消（ nanc ）語音增強演算法。
  16. According to this, we propose a new way to renew the traditional method of subjective image quality evaluation, different to only use mse ( mean square error ) and psnr ( peak signal - to - noise ratio ) to evaluate merely on radiation distortion, and complemented quantitative description on compressed image distortion o it is significant to choose the format of video transferation and measuring precision calculation of tracking and measuring systems based on images

    中國科學院長春光機與物理研究所博士學位論文據此提出了不同於傳統的僅用均方誤差（ mse ）和峰值信噪比（ psnr ）來評價圖像灰度輻射畸變的新思路，補充了對壓縮圖像幾何畸變的定量描述。這對于基於圖像的測量跟蹤系統中數字圖像傳輸方式的選擇，以及評價壓縮解壓演算法對測量精度的影響有重要意義。
  17. Distortion and gauss white noise distortion. the simulation of ideal system aims at absolutely clean channel, and the nonideal systems respectively set their channels as ricean channel ( multipath distortion channel ) and awgn ( gauss white noise distortion channel ). at the end of simulation, it use examining means of communication system as ber ( bit error rate ) analysis and eye diagrams analysis, then gives a summarize and a comment to the system

    模擬中的系統結構、模塊和傳輸速率的選擇符合標準的dvb1規范en300744 ，理想系統的模擬是針對完全乾凈的通道，而非理想系統分別將通道設置為hcean通道哆徑干擾通道）和awgn （高斯白噪聲通道） ，模擬最後用通信系統的檢測手段進行誤碼率分析和眼圖分析，並對該系統作了總結和評價，加深對了dvb1系統的信號處理過程的理解，明確了目前面臨的問題。
  18. The main body of the algorithm is the one based on wavelet multi - scale analysis, which obtained good performance in the conditions of noise added, small geometry distortion and significant gray distortion

    演算法的主體是基於小波多尺度分析的分層匹配演算法，在存在噪聲、小的幾何失真和嚴重的灰度失真的情況下取得了良好的匹配性能。
  19. In chapter 3, we discuss the problem of doa estimation in the presence of spatially nonstationary noise fields. an estimate of the colored noise covariance matrix is firstly given. the received data for parameter estimation is then prewhitened using the estimated noise covariance, hence, overcoming the highly biased estimates. finally, adaptive beamforming with the modified weight is also performed. computer simulations show that the proposed method can completely remedy beam distortion. 3

    在第三章討論了一種在環境噪聲為白噪聲而陣元噪聲為空間非平穩情況下的doa估計問題，給出了一種有效的估計陣元噪聲功率的方法，進而利用估計的噪聲協方差矩陣進行預處理而實現色噪聲環境下的doa估計，理論分析和模擬結果均表明了本章提出的方法的有效性。
  20. In chapter 4, i performed the analyzing work with wavelet and fastica and find that wavelet was a high efficient way to filter the cep signal when i set the wavelet and scaling function to haar, decomposing level to 4, threshold method to fixed to threshold and white - noise structure to scaled white - noise. it took the advantage that reduced the accumulating times to 60 with more smooth signal and less distortion. but fastica takes no advantage on this facet

    本文通過小波變換和獨立分量快速分析模式識別的方法對cep數據進行了分析處理，同時與數字低通橢圓濾波器的處理效果進行了比較，發現用小波對cep的數據進行濾波處理時，可以將數據的疊加次數從120降低到60次左右，且信號的質量要比以前的處理方法好；但是獨立分量快速分析方法效果不很好。
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