aliasing 中文意思是什麼

There are 3 types of dithering : basic dithering, stylized dithering and anti - aliasing

一共有3種抖動：基礎的抖動，隨機抖動，抗鋸齒。

New anti - aliasing cic filter design and realization on fpga

抽取濾波器的設計與實現

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。

The application of two kinds of anti - aliasing filter circuits

兩種抗混疊濾波電路的運用

Some minor features have been tweaked in the single player part, particularly with respect to anti - aliasing

一些單人游戲的次要問題也得到了優化，特別在[反鋸齒]方面上！

An optimal w - a anti - aliasing algorithm of interconnect diagnosis

抗誤判互連診斷演算法

Arbitrary width line generation and anti - aliasing

任意寬度直線的繪制與反走樣

An anti - aliasing algorithm suitable to map publishing symbol

一種適合於地圖出版符號的反走樣演算法研究

All new anti - aliasing core engine technologies

全新的抗鋸齒核心引擎技術。

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。

Aliasing error estimates for irregular sampling approximation of non - bandlimited functions

非正規樣本表示的混淆誤差的估計

Firstly, discrete methods of time and space in the dns are introduced in the present paper. and the procedure of solving the navier - stokes equation is also presented. in addition, ways of correcting time - splitting error and removing aliasing error in pesudospectral transform method are introduced too

本文首先介紹了直接數值模擬中時間和空間離散的方法，並詳細介紹方程的求解的步驟以及偽譜法中混淆誤差產生的原因及其消除方法，並對時間分裂法造成的散度誤差的修正方法進行了簡要的介紹。

Due to the fact that the properties of infrared detector array ca n ' t be satisfied to produce a image with high resolution because of the level of manufacture, the phenomenon of subsampling and serious aliasing emerges. in order to reduce these phenomenon and improve the image resolution the technique of microscanning is introduced

紅外探測器陣列由於受到工藝水平的限制，不能製成用於產生高解析度紅外圖像所要求的密度，一般會產生空間欠抽樣圖像，圖像中有嚴重的混淆現象，為了減小這種混淆、提高解析度，引入微掃描技術。

To detect transient signals under complex background, a novel method of aliasing - free exponential bilinear time - frequency distribution is presented in this paper, which can avoid the frequency aliasing and information loss existing in the traditional bilinear distributions, reduce the cross - terms effectively and possess high time - frequency resolution

摘要針對復雜背景條件下瞬時信號的探測，提出一種新的無混疊雙線性時間頻率分佈方法，該方法能夠避免常用的雙線性時頻分佈中的頻率混疊與信息丟失，有效減小交叉項干擾，而且具有較高的時頻解析度。

Error diffusion, or dithering, is a way of avoiding aliasing due to a cut - down palette size

抖動：錯誤擴散或者稱為抖動，是一種防止調色板縮小尺寸時候產生混淆的方法。

In both cases we can derive data dependences from reaching definitions and uses information obtained by data flow analysis. at schedule time true register dependencies are known, so register analysis does not involve any complication. but for memory dependencies we have to deal with the problem of aliasing ( addresses are computed during execution )

而對于存儲器訪問指令而言，其相關性分析則相對復雜得多，關鍵問題是必須解決存儲器訪問地址的別名問題（ aliasingproblem ） ，即必須判斷出對存儲器的兩次訪問是否針對同一個地址單元，然後在此基礎上進行存儲器訪問的數據相關性分析。

The non - aliasing frequency and non - ambiguous 2 - d angles is obtained by the phase characteristic of eignevalue and integral search method in this dissertation, an algorithm of spatio - temporal 2 - dspectra estimation based on 4th - order cumulants was introduced and used to realize a prototype scout, a calibration algorithm in the wide - band array system is proposed

本文主要介紹了基於四階累積量的時-空二維譜估計演算法，並以此為基礎來實現時頻空三維偵察機；寬頻段陣列系統各種誤差參數的校正演算法，實驗系統的硬體驅動程序的開發和應用軟體的開發。

Moreover, sampling at high frequency eliminates the need for abrupt cutoffs in the analog anti - aliasing filters. a technique of noise shaping is used in - converters in addition to oversampling to achieve a high - resolution

由於在- a d轉換器中使用噪聲整形技術和過采樣技術，可以用一個簡單的模擬電路加上復雜的數字電路使整個a d達到一個很高的轉換精度。

It mainly includes following aspects : in this paper, firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail, and on this foundation signal given frequency band component extraction method is proposed. then we investigate frequency aliasing phenomenon, reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis, and frequency bands where frequency aliasing phenomenon is easer happened, and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon. third we set up vibration signal detected system, design experiments to obtain three groups of fault signals : eccentricity fault, mixed fault of eccentricity plus mild rub, mixed fault of eccentricity plus moderate rub, and process these data using analysis method proposed in this paper

首先對論文的選題以及相關背景進行了探討，並對相關的小波基礎理論進行了闡述，主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面:在論文中，首先對小波分析在信號的諧波分量提取中的應用進行了研究，在此基礎上，提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現象，探討了小波分析應用於電機故障診斷領域時易發生頻域混疊現象的原因，以及混疊現象較易發生的頻帶，提出了可以有效減輕頻域混疊現象的改進的morlet小波分析方法;搭建了振動信號檢測系統，設計實驗採集得到三組故障數據:偏心故障，偏心+輕微碰摩復合故障，偏心+中度碰摩復合故障，並對這些數據應用本文提出的分析方法進行信號處理，提取出的特徵參數可有效區分這兩種故障形式;研究了基於matlab和labview的混合編程方法，完成了電機故障檢測系統的軟體開發。

The process of reducing the visibility of aliasing by using gray scale pixel values to smooth the appearance of jagged edges

用有灰度的象素值去平滑鋸齒形邊緣的出現，以減小混疊效應的可見性的處理技術。 ）