filtered noise 中文意思是什麼
filtered noise
解釋
過濾噪聲-
3 ) for weak noise interferogram or filtered interferogram, dyadic wavelet can be used to detect fringe edges. a gvf snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4 ) phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map
4 ）對于低噪聲情況下或濾波后的干涉條紋圖，在基於邊緣檢測的相位解纏過程中，利用snake模型可以高效準確的實現邊緣點的連接，所連接的邊緣線與干涉條紋很好的吻合，可將連線的精度控制在三個像元。 -
For the rock texture, i duplicated parts of existing paintings and filtered them a few times with lighting effect tools and noise
關于巖石的材質，我復制了一些現有的圖像加上濾鏡，用了些時間做燈光效果和噪波。 -
One is based on the characteristic of small targets. first, one image is filtered by a high pass filter and the image mainly including the small targets and noise are obtained
第一個方面是從紅外圖像中小目標的特性出發，對圖像進行高通濾波，得到主要包含小目標和噪聲的圖像。 -
6, we got the data of noise and magnetic lag in spin - valve gmr and also gives some resolutions in applications. the results show that the spin - valve gmr chip will has a better output waveform when it ' s filtered
6 ，得到了自旋閥gmr的噪聲和磁滯特性數據，提出了一些解決的方法，實驗表明對自旋閥晶元組成的橋路初始輸出進行濾波可以得到較好的輸出波形。 -
After image preprocessed, its edge is detected, and some long lines in edge image are filtered, and then mathematical morphology is employed to remove edge noise
對預處理后的圖像進行邊緣提取，先消除非字元邊緣的長線條，再用形態學運算消除干擾邊緣和噪聲。 -
An approach for quality assessment of the filtered images was proposed. after qualitative and quantitative assessment, some conclusions have been drawn : ( 1 ) spatial filters are affected greatly by filtering window size, the size of 5 5 presents best result ; ( 2 ) enhanced frost filter, enhanced lee filter and gamma - map filter smooth the speckle noise well with a small sacrifice of losing texture details and narrow edges, which are better than other popular spatial filters ; ( 3 ) the results show that the proposed filter retains texture and edges well, so more researches are expected
通過對jers - 1sar圖像的各種濾波圖像進行了目視評價和指標比較，得出如下結論: （ 1 ）各種空間濾波器受濾波窗口的影響很大， 5 5大小的濾波窗口濾波效果較好； （ 2 ）對比各種常用的空間濾波器，增強的frost濾波器、增強的lee濾波器和gamma - map濾波器在去噪和紋理、結構特徵保持方面效果最好； （ 3 ）小波濾波方法在保持sar圖像紋理細節方面表現出了很好的優勢，還有待進一步研究。 -
The filtered results to a real interferogram showed the proposed method is powerful to interferogram speckle noise reduction, as well as it can preserve fine details in the interferogram that are directly related to the ground topography and maintain phase values distribution
對一幅干涉相位圖的濾波結果表明，該演算法很好的抑制了斑點噪聲，極大的降低了殘余點的數量，保持了條紋邊緣和相位細節信息，並使絕對相位保持在一定的動態范圍。 -
Taking the fourier transform of this windowed ccf produces the time - domain filtered cross spectral density ( tdfcsd ). the snr can be improved with using the character of noise which distribute uniformly in frequency domain
再進行傅立葉變換產生時域濾波互相關譜密度（ tdfcsd ） ，利用噪聲在頻域中均勻分佈的特性使snr得到改善。 -
Secondly, we simulate the transmission process in computer, calculate the optical - signal - to - noise - ratio ( osnr ) of output signal with the same input signal filtered by the ofbg, matched filter and f - p filter, analyze the improvement of the osnr after filtered by them. we find it also has advantage over f - p filter. taking the two reasons into account, we believe that the weak ofbg is superior to the widely used f - p filter
另外用計算機模擬計算了光信噪比的改善情況，研究發現：一個相同的噪聲信號經弱ofbg后的光信噪比較經過f - p濾波器后的光信噪比高，由此認為， ofbg用作光濾波器對接收端前置光放大器的噪聲進行濾波，比常用f - p光濾波器具有更大的優越性。 -
So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
為此，本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理，在結構簡單，功耗小的原則下，選用合適發光波長的探頭和信號處理器，設計出光強穩定的發光電路，低噪聲前級，以及本底干擾對消電路，通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。 -
The fir filter supplies a possible clean signal for further processing. 4. by processing the sampled signal including contain noise and partial discharge signal, narrow band period signals are filtered, but some period impulse signals ca n ' t effectively be suppressed
4 ）通過對局部放電信號的預處理，窄帶的周期性干擾信號被濾除，但是一些周期性的脈沖信號由於帶寬較寬未能得到有效抑制。 -
And so the method whichhas the same quality as filtered backprojection algorithm, used the properties of wavelet to reconstruct a local region of the cross section of a body, using almost completely local data, and could reduce noise of the image
經過理論分析和數值模擬，本文提出的基於可分離mra去噪小波重建演算法、基於不可分離mra的小波重建演算法和基於不可分離mar的去噪小波重建演算法，都有一定的創新性和實用性。 -
Sigma delta modulation frequency synthesis is an advanced technology that applies in pll ( phase - locked loop ) frequency synthesizer, which could transform the spurs created by fractional - n synthesizers into phase noise that could be filtered by inherent low - pass identity in pll
此技術應用-調制將鎖相環頻率合成器中分數分頻器產生的相位雜散轉化為相位噪聲，通過鎖相環本身低通濾波特性濾除，從而使用單環即可獲得很高頻率解析度和極低的相位雜散。 -
It is angry to block the petroleum in the petroleum trade, the oil - polluted water is filtered ; firm liquid separating, gas purifying, noise elimination of the noise that water treatment and various kinds of exhaust in pharmacy, food, making, environmental protection, electron trade, dust removal of high - temperature exhaust gas, etc
在石油行業中對石油攔生氣含油污水過濾在制藥食品釀造環保電子行業中的固液分離氣體凈化水處理及各種排氣噪聲的消聲，高溫煙氣除塵等設備中。 -
The contour data is extracted by filtering noise of images, threshold segmentation and contour extracting. during the image processing, the noise is filtered by using median value filtering mean
採用對圖像先濾波去噪，然後閾值分割，再用四鄰域或八鄰域輪廓提取的方法將邊界點析出。 -
A special address codeword produced by optical encoder at the side of transmission and data information are modulated on optical carrier and transferred. the data from different users are transmitted through optical fiber. the information belonging to local user is demodulated by the special optical decoder while optical signals carrying other users ’ information are filtered as noise
在發送端特定的光編碼器產生某一特定的地址碼，將數據信息與此地址碼調制在光載波之上發送出去，不同用戶的數據都在光纖媒質中傳輸，接收端用特定的光解碼器解出屬于自己的信息，而攜帶其他用戶信息的光信號，就像噪聲一樣被過濾掉。
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