relative accuracy 中文意思是什麼

relative accuracy 解釋
三位準確度
  • relative : adj 1 關于…的,與…有關系[聯系]的。2 相對的;相關的;以(他物)為準的,相應的,成比例的 (to) 相...
  • accuracy : n. 正確,準確(度);精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. 2 ) this paper research mainly the influence of the cluster satellite circumnavigation 、 earth - rotation 、 satellite attitude to the baseline variation and the speed measurement accuracy, and give the correcting mathematical formula and the relative curvature

    2 ) 、著重分析分散式衛星sar系統中衛星環繞、地球自轉、衛星姿態對基線、測速精度的影響,並繪出了相應的數學模型及關系曲線。
  2. Focusing on the tactical index of ew system - bearing accuracy, this article makes deep - through analysis, comparison and study of the theory basis for traditional direction finding method. a 16 - channel monopulse amplitude - comparison direction finding method and new phase - delay estimating method has been proposed to use, through computer ' s analog computation and relative measures in actual engineering practices, the bearing accuracy of traditional method has been increased and the service requirement of the ew weapon system and adaptability of equipment satisfied

    本文圍繞著電子戰武器系統的戰術技術指標?測向精度,對傳統的測向方法的理論基礎進行了深入的分析、比較和研究,提出了採用16通道單脈沖比幅測向體制和新的相位延時估算方法,通過計算機的模擬摸擬計算,以及在實際的工程實現中採取的相關措施,解決了採用傳統的測向方法提高測向精度,滿足電子戰武器系統的戰術技術指標要求和裝備的適裝性。
  3. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。
  4. Besides, the information on actual height of lowest cloud base is used in constructing of cloud liquid water profile by using radiosonde profiles, that makes an improvement of relative accuracy of retrieved value of l at almost all altitudes by 5 - 20 % according to numerical simulation comparison. the lower the altitude is, the more the accuracy is improved

    為減少由於回歸樣本中雲液水廓線的『失真』給反演造成的誤差,本文在對探空廓線作診斷建立雲液水廓線時,引入了實際目測的最低雲底高的信息。數值模擬比較表明該措施行之有效,使對流層中下層的幾乎所有高度上l反演值的精度提高5 - 20 ,觀測高度越低,精度提高越多。
  5. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對偏差的大小,確定不同訓練樣本對能量函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算法對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函數,使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  6. The laboratory offers calibration service for watchesstop watches with internal crystal and step motor. the calibration of watchesstop watches includes the measurement of its relative frequency accuracy

    計時表本所為石英及機械表提供校正服務,包括測量計時表內部頻率的準確度。
  7. Relative accuracy test evaluation for flue gas continuous emission monitoring systems

    煙氣連續排放監測系統相對準確度的測試評估
  8. In the second part, we adopt a few typical error analysis methods, primarily including the relativity analysis and the regression analysis, to analyses the relative error and absolute error of the time error, spatial data error and statistic data error of the raw input data in the model. then, we take each influence factors in the model into the relativity analysis and the regression analysis. finally, we synthesize the results of the above error analysis to figure out the theoretic accuracy of that model as 87 %

    第二部分主要是採用幾種典型的誤差分析方法,主要包括相關性分析和回歸分析,對模型的原始輸入數據的時間誤差、空間誤差和統計數據誤差進行了相對誤差和絕對誤差的分析,然後又對模型中各影響因子進行了相關分析和回歸分析,最後綜合以上誤差分析的結果得出該模型的理論精度為87 。
  9. It is verified by the observed data of xianing port area in changsha city that the model is of high accuracy, with the greatest relative error of the peak flow of only 7. 85 %, thus can be used in runoff simulation of harbor rainfall drainage system

    經長沙市霞凝港區的實測資料檢驗,證明該模型在港區小流域的雨洪分析中有較高的精度,洪峰流量最大相對誤差僅為7 . 85 % ,可用於港區雨水排水的徑流模擬。
  10. Because the relative changing will result in the reducing of the accuracy of the determining the failure circuit region and the validity of the entire test system diagnosis result, their infrared thermal image must be matched

    熱像圖位置的相對改變會導致電路故障區域判定的準確性和整個診斷系統診斷結果的有效性的降低,因此必須對熱像圖進行匹配。
  11. The test results signify that the more accuracy result could be obtained to apply the method and the hydraulic losses of the conduits of bulb tubular pump is relative closely to the bulb location

    試驗結果表明:採用新方法進行貫流泵進出水流道水力損失的測試,可以較為方便地得到準確的結果;貫流泵裝置進、出水流道的水力損失與燈泡布置的位置密切有關。
  12. This dissertation presents improved methods for both testing results analysis and aspheric mirrors fabrication concerning computer controlled optical surfacing ( ccos ) technology to improve its efficiency and accuracy. a new ccos model based on " relative tool path " is proposed, and a method is developed to solve and evaluate fabricating parameters

    目前ccos ( computercontrolledopticalsurfacing )技術被廣泛用於離軸非球面反射鏡的製造,本文針對該技術中涉及到的一些問題開展較為深入的研究,以進一步提高離軸非球面的加工效率和精度。
  13. Relation between virtual temperature correction and humidity, influence of humidity on accuracy firing data, and problem of using identical relative humidity to substituted real humidity distribution are analyzed

    分析了濕度與虛溫訂正值的關系、濕度對射擊諸元精度的影響和用統一溫度替代濕度空間實際分佈的問題。
  14. It is found that the fitting accuracy is higher and the mean relative error between fitted and standard value is less than 0. 3 %

    該方法的擬合精度較高,擬合值與輻射模式標準值的平均相對誤差在0 . 3 %以下。
  15. It can help to lengthen the service life of water quality on - line monitoring instrument, make the results of on - line water quality monitoring are more accurate and stable, and it also can reduce the maintenance loss because of the relative accuracy and save the replacing expense if the on - line water quality monitors are too damaged to repair

    可以延長在線水質監測儀的使用壽命,提高在線水質監測儀監測結果的準確性、穩定性,減少設備維護、維修工作及其費用,減少由於水質監測結果誤差帶來的損失,節省由於在線水質監測儀表損壞而無法修復,過早更換的費用。
  16. On the basis of analyzing the output signal of a two wavelength beat - wave absolute distance interferometer, this paper proceeds from the realities of the aiming method of the beat - wave interferometer, conducts an analytical investigations on the dependence of the aiming accuracy of the beat - wave interferometer on laser dual - line output power equilibrium, propose two new concepts - a basic aim blind area and a blind area expansion, and establishes an analytical expression between the blind area expansion and the relative power difference of laser dual lines

    本文從拍波干涉儀對準方法的實際出發,在分析雙譜線拍波干涉儀輸出信號的基礎上,研究了雙譜線功率不一致與拍波干涉儀對準精度的關系,提出了基本對準盲區和盲區擴大量的新概念,建立了描述盲區擴大量與雙譜線相對功率差之間關系的解析表達式。
  17. The results show that the new method has the advantage of relative accuracy and stability over traditional method

    模擬和對實際數據分析的結果表明,該方法能夠較準確、穩定提取線譜序列,為目標檢測和分類識別提供了可靠依據。
  18. The approach is that we first calibrate the filter radiometer with cryogenic radiometer and measurement equipment of relative spectral responsivity and then calculate the absolute spectral responsivity. because the drift in blackbody temperature directly influnces measurement accuracy, so we adopt a feedback system to stabilize blackbody temperature through controlling the current of blackbody that improves measurement accuracy greatly

    該方法首先要用低溫輻射計及相對光譜響應度測量裝置對濾光輻射計進行標定,經計算可得到濾光輻射計的絕對光譜響應度;由於黑體溫度的漂移直接影響到測量精度,我們採用反饋系統通過控制黑體的加熱電流,來穩定黑體溫度。
  19. Discrete approach with 15 ' 15 ' grid is adopted in order to numerically simulate and calculate the gravitational potential field generated by the homogeneous rotation - symmetric ellipsoid, and it is verified that the method, the fictitious compress - recovery and the fictitious downward continuation of the gravitational field, is reliable and valuable at the relative accuracy level higher than 10 ^ ( - 4 )

    摘要採用15 ' 15 '網格離散化手段對均質旋轉對稱橢球體產生的引力位場進行了數值模擬計算,在相對精度優於10 ^ ( - 4 )的水平上,驗證了引力位虛擬壓縮恢復法以及重力場虛擬向下延拓法的可靠性和有效性。
  20. In the article, the flexible multibody system on the plane is researched ; the coupling dynamic model with relative accuracy is established ; and the phenomenon of dynamic stiffening is simulated by " belated initial stress method when the parts are rotating at high speed

    論文中以平面柔性多體系統為研究對象,建立比較精確的耦合動力學的數學模型,並使用差時初應力方法對其中部件在高速情況下發生的動力剛化現象進行模擬。
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