檢測噪聲 的英文怎麼說

中文拼音 [jiǎncèzàoshēng]
檢測噪聲 英文
detection in noise
  • 檢 : Ⅰ動詞1 （查） check up; inspect; examine 2 （約束; 檢點） restrain oneself; be careful in one s c...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
  1. To corner feature, both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood, hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise

    為了提高抗噪聲，根據角特徵不僅灰度變化是不連續的，且相對周圍其他點的梯度方向也是不連續的，提出利用梯度角變化和梯度幅值作為角特徵檢測的另一個準則。
  2. 3. researching on the edge detection method of surface image. after using the edge detection operator for the preliminary abstracting, a series of extending work, such as grey bivalence 、 thinning 、 noise reduction and compagination have been done

    3 .對帶鋼表面圖像的邊緣檢測方法進行了研究及實現，採用邊緣檢測運算元對邊緣初步提取，進行了二值化、細化、去噪聲、連接等一系列后續處理工作，並且較好的判斷了邊緣是否良好的情況。
  3. Through the processing method basing on wavelets, implementing the removing noise about section gauss noise to colure full tv signal, we resolve the theory and practice problems in the processing of weak signal detection

    摘要通過基於小波分析的處理方法，實現對彩色全電視信號一段被高斯白噪聲干擾的降噪，解決微弱信號檢測過程中遇到的理論和實踐問題。
  4. The method of detection on transient signal by the slice of cyclo - bispectrum in stationary random noise is proposed in this paper, simulation results are presented also

    摘要提出一種在平穩隨機噪聲中檢測暫態信號的循環雙譜切片方法，同時給出模擬結果。
  5. To sum up, tested and validated by data sets of shenzhou iv unmanned spacecraft and precise orbit ephemeris, the algorithms presented in the thesis can improve orbit accuracy and reduce random noise considerablely. derived conclusions have important value for reference, and lay the firm technological foundation for future applications

    總之，經過神舟四號飛船實測數據計算和精密星歷檢驗，表明本文提出的各種定軌方法可以較好的提高定軌精度，減少隨機噪聲，所得出的結論對于實際應用具有重要的參考價值，並為將來的應用奠定了堅實的技術基礎。
  6. The plan of speckle noise reduction we proposed is use the garrote shrinkage function assisted by edge information of scale 2. we compare the speckle reduction results by conventional soft - valve, hard - valve and lee filter methods, and get very good conclusion

    我們提出的相干斑抑制方法是利用小波變換檢測圖像尺度為2的邊緣信息，再利用檢測出的邊緣信息利用garrote削減函數進行小波域的相干斑噪聲濾除。
  7. They also try to detect if noise ? the overexposed pixels within the image that create a grainy effect ? was present at the time the photograph was taken or has been added later

    他們還試圖檢測噪聲? ?圖像中呈現粒狀效果的過度曝光像素? ?是產生於照片被攝制的時刻還是后來才被加上的。
  8. ~ ( 252 ) c _ f - source - driven neutron noise analysis method is a way of measuring and analyzing the reactivity of reactor or subcritical reactor, which detects subcritical neutron multiplication factor, prompt neutron decay constant, and so on

    ~ （ 252 ） c _ f源驅動噪聲分析法是一種測量、分析反應堆和次臨界系統的快速反應性的方法，可作為臨界安全的瞬時檢測方法。
  9. The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble

    系統採用電臺的電視伴音調頻信號，其中電臺信號與伴音信號功率之比基本為10 ： 1 ，並且目標散射信號較弱，一般情況下淹沒在雜波和機器熱噪聲之下，採用常規的脈沖檢測方法很難對遠距離的目標進行檢測，而以電臺直達信號作為參考與目標回波信號進行相關檢測；系統中信號的相關處理會產生旁瓣，而強目標的旁瓣會影響附近的弱目標檢測。
  10. Production and processing equipment : bearing production equipment, the ball processing equipment, bearing cleaning equipment, packaging equipment bearings, needle roller processing equipment, light jewelry processing equipment, spherical roller processing equipment, rough processing equipment, double - end grinders, spindle, wheel oilstone and other grinding materials, heat production, high - precision coordinates grinder, and outside grinder, seal marking machine, profilometry, contour dynamic analysis, hardness needle - sorting machine, a round instrument, processing tester, processing meter, dynamic vibration and noise analysis, vibration, noise testing device raceway ultra - precision instrument, roughness measuring instrument, the finish detector, sorting machine, converters and bearing products preservatives, lubricants, cleaning agents, such as processing raw materials

    生產及加工設備：軸承生產設備球加工設備軸承清洗設備軸承包裝設備滾針加工設備光飾加工設備球面滾子加工設備毛坯加工設備雙端面磨床電主軸砂輪油石和其他研磨材料熱處理生產高精度坐標磨床內外圓磨床印子打標機輪廓測量儀輪廓動態分析儀硬度針分選機圓度儀加工測試儀加工測量儀振動噪聲動態分析儀震動噪聲測試裝置滾道超精儀粗糙度測量儀光潔度檢測儀分選機變頻器及軸承產品防腐劑潤滑劑清洗劑加工原材料等。
  11. Combining the basic laws of psychophysics and signal detection theory, we use two - alternative forced - choice ( 2afc ) to study the threshold change of human electric sense under different noise levels

    在心理物理實驗中，結合心理物理學和信號檢測論的基本原理，採用了二間隔的強迫選擇法（ 2afc ）作為實驗方法，研究不同噪聲量級情況下人體電感覺閾值的變化。
  12. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms

    聲學.聲壓法測定噪聲源聲功率級.混響聲場中小型可移動聲源的工程檢測法.第2部分:專用混響試驗室法
  13. All of above presents the data to study the algorithm which will be used to detect the targets against the broadened bragg lines. eigenstucture - based algorithms are used to realize bearing resolution on the basis of synthetically comparing several classical algorithms. first sea echo ’ s bearing prior knowledge is utilized to constitute project operator to constraint the noise subspace estimation with the use of constrained music algorithms, which largely increases the resolution and doa estimated accuracy

    為檢測海上目標的方位信息，在綜合分析比較各類演算法的基礎上，本文採用特徵結構類演算法來實現空間方位分辨中的constrainedmusic演算法，此方法充分利用了海浪的方位先驗信息來構造投影運算元約束噪聲子空間的估計，大大提高了目標解析度和估計精度。
  14. Experimental results in different noises and snr indicated that this vad algorithm can divide speech segments from non - speech segments accurately and reduce voiced - unvoiced error obviously. ( 2 ) an improved dct - hn speech decomposition algorithm based on the harmonic - noise model is presented

    不同噪聲、信噪比下的實驗結果表明，該演算法可以準確區分語音段與非語音段，明顯降低了基音檢測中清濁誤判現象的發生; （ 2 ）基於「諧波-噪聲」模型提出了一種改進的dct - hn語音分解演算法。
  15. In attempt to directly compare the sound response characters of the same bf neurons or different bf neurons and their interactive relation, the double recording microelectrodes were penetrated into two different neurons in iso - frequnency laminas or hetero - frequency laminas. taking advantage of frequency tonotopical arrangement in 1c of bats, it was explored how the neurons integrated different parallel processes of the same sound information. in the case of which, we hoped to explore the relation between the sound response characters of the central auditory neurons and neural modulation in background noise for the further understanding of the mechanism in the central auditory neurons extracting sound signals

    本研究以大棕蝠（ bigbrownbat ， eptesicusfuscus ）為模型，利用ic聲調組構排列成同頻層這一結構特點，突破單電極記錄和檢測神經元的方法，同時推進兩單電極至一個同頻層或兩個同頻層的兩個不同神經元，試圖從細胞水平直接比較兩個具有相同和不同最佳頻率的神經元聲信號的加工處理特徵、以及它們之間的相互關系，以期窺探它們在對同一聲信號處理過程中的整合奧秘，並以此為基礎分析和探討背景噪聲條件下中樞神經元聲反應特徵與神經調制的關系，以期進一步了解中樞聽神經元聲信號提取的機制。
  16. Two detection methods of chirp signals are presented in the dissertation : the cyclic autocorrelation detection method and the correlation detection method of cyclic autocorrelation function. it is shown that the two methods both have an excellent performance of blind detection. the performance analyses of the two detection methods are both carried out for additive noise or multiplicative noise, and the output signal - to - noise ratio ( snr ) expressions of the two methods are also derived

    通過研究提出了兩種線性調頻信號的檢測方法?基於循環自相關函數包絡的檢測方法和基於循環自相關函數的相關函數包絡的檢測方法，兩種方法均可實現信號的盲檢測，有良好的檢測性能，文中還分析了加性噪聲及存在乘性和加性噪聲情況下兩種檢測方法的性能，推導出了輸出信噪比公式。
  17. As an example, the detection problem of noise frequency modulation jamming signal was analyzed, two accumulation detection methods, direct accumulation detection and binary accumulation deteceion, were proposed, and the detection probability of the two methods was calculated

    摘要以噪聲調頻干擾為例，對干擾信號的檢測問題進行了分析，提出直接積累檢測和二進制積累的檢測方法，並計算了兩種方法的檢測概率。
  18. In this paper, the self - adaptive filter, the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field

    本文以各向異性噪聲場為例，分別對聲矢量信號中的聲壓、振速探討應用自適應濾波、小波變換、短時傅里葉變換檢測水聲平穩和非平穩信號的應用效果。
  19. Error analysis and improvement method of concentration measurement of trace gas in the atmosphere by differential optical absorption spectroscopy

    基於可調諧二極體激光吸收光譜學對二次諧波檢測噪聲分析研究
  20. The analysis shows that by using correction function processing to the collected signals, the periodicity of the signal can be checked conveniently, the frequency - domain response of linear systems with uncertain parameters can be identified, useful signals can be checked out and extracted from the noise

    由分析可知，對採集到的信號做相關函數的處理可以方便地對信號的周期性進行檢測，確定未知參數的線性系統的頻域響應，檢測噪聲中有用信號，並對噪聲中的信號進行提取。
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