測時分辨力 的英文怎麼說
中文拼音 [cèshífēnbānlì]
測時分辨力
英文
time measuring resolution- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 辨 : Ⅰ動詞(辨別; 分辨; 明察) distinguish; discriminate; differentiate; recognize Ⅱ名詞(姓氏) a surname
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 測時 : time study測時分辨力 time measuring resolution; 測時計 time meter; holologe; chronometer; 測時術 ...
-
Time measuring resolution
測時分辨力The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )
內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。The results indicates that the cubic logarithm polynomials can accurately reconstruct the raw thermal images in the experiment, and can effectively suppress the interference to defect recognition caused by random noise and uneven heating in the pt testing of composite laminates ; the digital images from data reconstruction have clearer defect display or higher defect resolution than the raw thermal images, and the quadratic coefficient image of cubic logarithm regression shows the highest snr
結果表明利用三次對數多項式回歸即可精確地重建本次實驗的原始熱像,同時能有效地克服復合材料層壓板脈沖熱像檢測中隨機噪聲和加熱不均效應對缺陷識別的干擾;經過數據重建后所作的數字圖像比原始熱像有更高的缺陷顯示度或分辨力,其中以三次對數多項式回歸公式中的二次項系數所作的數字圖像的信噪比最大。At the same time, the conclusion that the instrument can fit the demand is gained, trough academic error analysis and calculation on resolution and measuring range
同時通過理論誤差分析和分辨力與測量范圍的計算,得出了該測量儀器能夠達到測量要求的結論。The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %
通過模擬得到了ccd探測器的目標影像的分辨力與ccd像元尺寸的關系,當航天光學遙感相機的mtf較高(模擬中鏡頭的mtf = 1 )且目標為高對比度時,得到ccd探測器的目標影像分辨力是其像元尺寸a的1 . 6倍,其光學調制度傳遞函數mtf下降32的結果。With the development of radar technology, one of the obvious features of radar is the improved resolution. the imaging radar is a type of high - resolution radar, which is based on the technology of broadband microwave and advanced signal processing. by use of the imaging radar, which has broad applications and has become the focus of the field, the target can be imaged hi all weathers and at anytime from far distance
隨著雷達技術的發展,現代雷達的最顯著特點之一就是對目標的分辨能力的提高,以寬帶微波技術和先進的信號處理技術為基礎的成像雷達,它作為一種高解析度的雷達,能夠對觀測對象進行全天候、全天時、遠距離的成像,有著廣泛的應用前景,成為研究的熱點。Therefore we must listen long enough to detect a strong, easily distinguishable part of the signal.
因此,我們必須傾聽足夠長的時間,以便探測該信號的強有力的、易於分辨的那一部分。In conclusion, the diagnostic methods we developed for immunological markers of hepatitis b virus by using time - resolved fluoroimmunoassay, eu - dtta as label, have wide assay ranges, high sensitivity and specificity. they would have widely application in the further research work and clinical diagnosis
總之,我們利用eu - dtta為標記物建立的乙型肝炎病毒五項血清學標志物時間分辨熒光免疫分析法分析范圍寬,靈敏度高,操作簡便,具有優越的定量檢測能力,十分適合臨床推廣應用。If the target has a radial acceleration, conventional 2d - fft based data processing method will lead to a doppler spread in doppler domain. the high resolution of doppler domain due to coherent integration no longer holds, which is very important in target detection of othr
常規的二維fft處理在處理機動目標時往往由於目標存在徑向加速度而會在多普勒域造成多普勒擴展,從而無法應用相干積累帶來的多普勒域的高分辨力完成對目標的檢測。Surveying power harmonic using the special effect on detecting singularity point and high resolving degree in time domain of wavelet, combined with the exact frequency resolving ability of fast fourier transform
利用小波變換突出的奇異點監測效果和較高的時域解析度,結合快速傅立葉變換準確的頻域分辨能力進行電力系統諧波分析。It achieves the electrical measurement of no - electricity ( especially displacement ) through the variation of self - inductance of or mutual inductance of coil. inductive micrometer, with a low cost, high - resolution power, long life and high reliability, has been applied to the measurement of micro - displacement for a long time. it is common that the inductive micrometer is chosen as a preferred instrument in high - precision micro - displacement test
電感微位移傳感器是一種建立在電磁感應基礎上,利用線圈的自感或互感系數的改變來實現非電量(主要是位移)測量的低成本、高精度測量儀,因為其分辨力高、使用壽命長、工作性能穩定,應用於微位移測量己經有很長的歷史,進行高精度微位移測量時選用電感位移傳感器已經成為一種共識。Because of its ability not only to produce two - dimensional high resolution images of the scene illuminated, but also to measure complete complex scattering matrix for each resolution cell, and to operate under all weather conditions and all the time, day and night, a polarimetric synthetic aperture radar ( sar ) is playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers of the earth
極化合成孔徑雷達( sar )能夠通過照射場景,對場景進行二維(方位向和距離向)高分辨力成像,同時測量出每個分辨單元的復散射矩陣。由於極化合成孔徑雷達具行全天候和全氣候工作的能力,使得極化合成孔徑雷達在採集地表及其覆蓋物的物理(電結構)細節信息方面起著越來越重要的作用。According to the problem that grating scale hardly achieves high resolution when in high speed and the characteristic of high speed high precision system, this paper presents a cross dimension displacement measuring method based on dual grating scales dual measuring, the counting values of dual grating scales switch and merge
針對高速高精度定位系統的運動特性及光柵尺測量高速位移時難以實現高分辨力的問題,本文提出了適合高速且實現系統末端點高分辨力位移測量的新方法基於雙光柵尺雙重計數、切換與合成的跨尺度位移測量方法。It is appropriate commonly that the resolution of ccd sensor imaging is 1. 8 times of the pixel dimension, in the mean while the mtf decreases 11 %, because the mtf is bigger, the other parts are easier to be made and the image shows the characterization of the object well. 2
一般情況下取ccd探測器的目標影像分辨力是其像元尺寸的1 . 8倍較為適中,因為這時的mtf數值較大對系統的其它環節的指標壓力較小,且圖像較好地反映了目標圖形的特徵,此時其光學調制度傳遞函數mtf下降了11 。Under the the image motion and the sampling discrete conditions, the other more important result is : under the condition of engineering practice, the orientation between the target strip and the pixel row is parallel or not, the difference amount of mtf is smaller then 1 %, therefore in the engineering, the mtf of the orientation parallel can instead of the mtf of the corresponding case
Ccd探測器的動態成像過程的另一個重要結論是:在工程實際條件下,目標條帶與ccd探測器的像元行方向平行與否的兩種情況ccd探測器影像的基於模擬實驗及計算機模擬的ccd航天相機影像分辨力的研究mtf相差小於1 % ,因此工程應用中可以考慮採用方向平行時的mtf作為相應情況下的mtf值。分享友人