噪聲值 的英文怎麼說

Noise immunity is the maximum amplitude of noise.

抗擾度是最大的噪聲幅值。

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。

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。

This paper adopts an adaptive learning algorithm based on hierarchy clustering to update user profile, which continuously abstract the cancroids of one class of optimum information from the feedback flow of system, which effectively shield the learning process from plenty of feedback noises produced by distorted threshold and sparseness of initial information, which also can imitate artificial feedback approximately to perfect the intelligence of adaptive learning mechanism

摘要本文採用一種基於層次聚類的自適應學習策略，從系統反饋的信息流中，動態提取一類最優信息的質心更新用戶模型，有效屏蔽了閾值失真和初始信息稀疏造成的大量反饋噪聲，並且能夠近似模仿人工反饋，完善自適應學習機制的智能性。

Sound limit of central station air handling units

組合式空氣處理機組噪聲限值

Klingelnberg cyclo - palloid spiral bevel gear has construction cramped, excellent transmission quality, low noise and loaded vehavior, it ’ s the main form of gear drives in the bevel gear ’ s technology field. it ’ s cyclo - palloid system, two - part cutter head and high power gears ( hpg ), has certain technology particular than gleason spiral bevel gear. systemic analysing the manufacture principle and meshing principle of klingelnberg cyclo - palloid spiral bevel gear, for accomplishing design theory and analysis method, for enhancement manufacture precision and loaded behavior, for promotion and applied in engineering field, have important theory value and actuality meaning. main work of the paper is tooth form emulation and tooth contact analyse of klingelnberg cyclo - palloid spiral bevel gear

克林貝格（ klingelnberg ）延伸外擺線齒錐齒輪結構緊湊、傳動性能優良、噪聲小、承載能力高，是錐齒輪技術發展的主要齒制，其連續切削法，雙層刀盤技術和硬齒面刮削法（ hpg ）相對于格利森制齒輪有一定的技術特點。系統的分析這種齒輪的加工原理和嚙合機理，對完善其設計理論和分析方法，提高加工精度和承載能力，在工程中推廣應用具有重要的理論價值和實際意義。

In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。

Stochastic resonance of a linear system with modulated dichotomous noise

具有調制二值噪聲線性系統的隨機共振

Partial wavelet coefficients ca n ' t be set zero when the threshold is undersize so parts of noises are retained and some useful signals will be taked off when the threshold is iusto major so parts of useful signals are lost. these cases result in dissatisfactory denoising

如果閾值選取過小，那麼有一部分的噪聲小波系數將不能被置零，從而在去噪后的信號中保留了部分噪聲信息，使去噪的效果變差。

And this at any time the square number of a variety is the line combination that is the limited item news number ’ s square

並且這個隨時間變化的方差是過去有限項噪聲值平方的線性組合。

From this basic thought we can see, because of the square number of now time news voice is the limited item square number to returned to return in the past, it ’ s means that the motion of the news voice have the certain memory, therefore, if in past every moment the square number of the news voice differed to become big, so the square number of the news voice differed to usually also come after it to

從這個基本思想中可以看出，由於現在時刻噪聲的方差是過去有限項噪聲值平方的回歸，也就是說噪聲的波動具有一定的記憶性，因此，如果在以前時刻噪聲的方差變大，那麼在此刻噪聲的方差往往也跟著變大;如果在以前時刻噪聲的方差變小，那麼在此刻噪聲的方差往往也跟著變小。

Article 29 the unit in charge of a construction project which may produce environmental noise pollution due to the use of machines and other equipment, must report, 15 days before commencement of construction, to the competent administrative department for environmental protection of the local people ' s government at or above the county level the name of the project, the construction site, the length of time needed for completion of the project, the possible level of environmental noise and the measures taken for prevention and control of such pollution

第二十九條在城市市區范圍內，建築施工過程中使用機械設備，可能產生環境噪聲污染的，施工單位必須在工程開工十五日以前向工程所在地縣級以上地方人民政府環境保護行政主管部門申報該工程的項目名稱、施工場所和期限、可能產生的環境噪聲值以及所採取的環境噪聲污染防治措施的情況。

Acoustics. statistical methods for determining and verifying stated noise emission values of machinery and equipment. part 3 : simple transition method for stated values for batches of machines

聲學.對機械與設備規定噪聲發射值的測定和驗證的統計方法.第3部分:規定各批機械噪聲值的簡易方法

The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

國外生產的汽車動力轉向泵是用數控機床加工的，其噪聲值為71db （ a ） ，國內生產的汽車動力轉向泵是用靠模方法加工的，其噪聲值分別為73db （ a ）和75db （ a ） ，為了分析定子曲線對泵的噪聲的影響，本人用三坐標測量儀對定子內表面進行精密測量，獲得定子內表面的離散點坐標，以matlab語言為工具對離散點進行曲線擬合，觀察擬合效果，然後，用回歸方法求出了定子過渡曲線的方程，並把該方程與理論方程標準型進行了比較，得出如下結論：用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標準型，而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標準型相比較，則存在著較大的誤差，結合噪聲測試結果可知，定子過渡曲線的優劣，對泵的噪聲大小有著重要的影響。

Article 24 any industrial enterprise that produces environmental noise pollution due to the use of permanent equipment in the course of industrial production must, in accordance with the regulations of the competent administrative department for environmental protection under the state council, report to the competent administrative department for environmental protection of the local people ' s government at or above the county level the types and quantity of its equipment that produces environmental noise pollution, the noise level produced under normal operation and the facilities installed for prevention and control of such pollution, and provide technical information relating to the prevention and control of noise pollution

第二十四條在工業生產中因使用固定的設備造成環境噪聲污染的工業企業，必須按照國務院環境保護行政主管部門的規定，向所在地的縣級以上地方人民政府環境保護行政主管部門申報擁有的造成環境噪聲污染的設備的種類、數量以及在正常作業條件下所發出的噪聲值和防治環境噪聲污染的設施情況，並提供防治噪聲污染的技術資料。

The prediction of the noise level in the cabin and work space at design stage is aiming to make effective measurement to control the noise level in advance to meet the regulations and ship owner ' s needs, which can avoid incidental expanses in the remediation and modification, so as to shorten the period and cut the construction cost of ship. in order to predict the noise levels in the ship superstructure cabin, the two methods are discussed in this paper, such as the grey prediction method and the acoustics analysis in fem method

如果能在船舶設計開發的初期就能對其艙室、工作空間的噪聲值進行預測，對不滿足相關規范或船東要求的部位提前採取有力的措施，不僅能有效的達到減少艙室噪聲的目的，還能避免在船舶建造完成後因採取補救和改動措施而造成的巨額開銷，從而縮短了造船周期，降低了造船成本。

Noise criteria and sound measurement procedures of lightweight gas turbine turnkey instllations

輕型燃氣輪機成套設備噪聲值及測量方法

Acoustics. statistical methods for determining and verifying stated noise emission values of machinery and equipment. part 2 : methods for stated values for individual machines

聲學.機械與設備規定噪聲發射值的測定和驗證方法.第2部分:對單一種類機器規定噪聲值的方法

The level of noise emitted by the industrial equipment in operation mentioned in the preceding paragraph shall be specified in relevant technical documents

前款規定的工業設備運行時發出的噪聲值，應當在有關技術文件中予以註明。

There is different between national standard and province standard. and which one is suitable for that test report. you should compare the cleaning rate economization noise containing water and longevity and think about the washing result but not only economization

的產品檢測報告，同時不應該只停留在單一的節水衡量標準上，應讓經銷商提供洗衣機的洗凈比節能噪聲值含水量壽命等新國標裏面的其他指標，不應一味追求用水量少而不考慮洗滌效果。