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characteristic test

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characteristic test 【機械工程】特性試驗。

【機械工程】特性試驗。 “characteristic“ 中文翻譯：   adj. 有特性的；表示…特性的，…特有的。 Japan ...“test“ 中文翻譯：   n. 【動物；動物學】(軟體類的)介殼，甲殼；【植物；植 ...“ampere second characteristic test“ 中文翻譯：   安秒特性試驗“characteristic root test“ 中文翻譯：   特征根檢驗“engine test bench characteristic“ 中文翻譯：   發動機試驗臺特性“engine test-bench characteristic“ 中文翻譯：   發動機試車臺特性“load characteristic test“ 中文翻譯：   負載特性試驗“load-characteristic test“ 中文翻譯：   負荷特性試驗“method of dynamic characteristic test“ 中文翻譯：   動特性試驗法“no-load characteristic test“ 中文翻譯：   空載特性試驗; 模擬增壓試驗“protective characteristic test“ 中文翻譯：   保護特性試驗“puopulsion characteristic test“ 中文翻譯：   推進特性試驗“test characteristic function“ 中文翻譯：   測驗特征函數“test-bench characteristic“ 中文翻譯：   試車臺特性“be characteristic of“ 中文翻譯：   表現了…的特點; 具有...的特性, 為...所特有; 具有...特色的; 具有……的特色; 為…所特有，是…的特征“characteristic“ 中文翻譯：   adj. 有特性的；表示…特性的，…特有的。 Japan's characteristic art 日本特有的藝術。 n. 特性，特征，性能，特色。 be characteristic of …所獨有的特征，有…的特色。 characteristic of logarithm 對數的首數。 adv. -cally “characteristic of“ 中文翻譯：   表示特性的; 不關心的; 獨有的,特有的; 對…淡漠; 特有的，表示...特性的; 特征是“a distinct characteristic“ 中文翻譯：   顯明的特點“a orption characteristic“ 中文翻譯：   吸收特性“aberration characteristic“ 中文翻譯：   象差特性“absorption characteristic“ 中文翻譯：   吸聲特性; 吸收特性曲線; 吸收匭鄖“ac characteristic“ 中文翻譯：   交流特性“acceleration characteristic“ 中文翻譯：   加速運動特性, 加速性能“accidental characteristic“ 中文翻譯：   非本質性特征“acoustic characteristic“ 中文翻譯：   聲學特性; 音響特性

characterization

Abstract : vibration characteristics test was carried on a model of one three - spanned prestressed concrete ( pc ) shew continuous box girders , which was designed in jing hu high speed railway of china . we discuss the difference between the results of test and 3d fem analysis with two cases of orthogonality and shew , and explore the dynamic properties of skew box girders 文摘:通過對我國京滬高速鐵路設計中的一座三跨預應力混凝土斜交箱形連續梁橋縮尺模型自振特性參數的測試，比較了正交、斜交箱梁的固有頻率的差異，通過與空間結構分析結果的對比，最后討論了斜交箱梁的動力性能。

Vibration characteristics test was carried on a model of one three - spanned prestressed concrete ( pc ) shew continuous box girders , which was designed in jing hu high speed railway of china . we discuss the difference between the results of test and 3d fem analysis with two cases of orthogonality and shew , and explore the dynamic properties of skew box girders 通過對我國京滬高速鐵路設計中的一座三跨預應力混凝土斜交箱形連續梁橋縮尺模型自振特性參數的測試，比較了正交、斜交箱梁的固有頻率的差異，通過與空間結構分析結果的對比，最后討論了斜交箱梁的動力性能。

In this thesis , some items on fabrication of nano - structures and study of si - based set such as fabrication technique of nano - structures and application on set , set fabrication processes , characteristics testing , simulation of set have been discussed . in brief , the following major creative results have been obtained : 1 本文對納米結構的制備方法以及納米結構在制造硅單電子晶體管上的應用、單電子晶體管的制造工藝、特性測量、測量系統的建立和單電子晶體管特性的計算機模擬等方面進行了系統的研究，取得了以下創新性的成果： 1

The optimum concentration and temperature of dtpmp solution and optimum annealing temperature are discussed . in addition , hydration resistant effect of anodic oxide films treated with adp , atmp and dtpmp respectively is discussed through ft - ir , xps , afm and i - v characteristics testing 探討了dtpmp溶液濃度、浸漬溫度和熱處理溫度對氧化膜升壓時間、比容、耐電壓的影響,并找到其最佳耐水合處理工藝;同時采用ft - ir 、 xps 、 afm和i - v特性測試對adp 、 atmp 、 dtpmp三種試劑對氧化膜的耐水合處理效果進行了對比研究。

2 the load characteristics tests and exhaust emissions measurements of the engine are done at the original fuel delivery advanced angle and modified fuel delivery advanced angles when run on pure dme and different fuel blends consisting of predominant dme and some diesel fuel in the diesel engine stage experiments 2在柴油機臺架實驗中，進行了燃燒純二甲醚以及不同比例的二甲醚和柴油的二元混合燃料模式的燃燒實驗，完成了在原機供油提前角、改造后的供油提前角下的負荷特性實驗和排放指標的測定。

The vibration characteristics testing is an important contents in assessing the bridge ' s present condition , through an example of a bridge ' s dynamic test , this paper applies matlab to analyze the test data in frequency domain , in the end , the results express that this method is valid , it provides a basis to carry on the dynamic testing in the bridge ' s examination 摘要橋梁結構的自振特性測試是評定橋梁結構現狀的一個重要內容，通過某大橋的動力特性測試實例，運用matlab語言編程對測試數據進行頻域識別分析，分析結果表明這種分析方法是可行的，為以后進行橋梁結構檢測的動力特性試驗提供了依據。

In this paper , based on the theory of radial - thrust floating ring hybrid bearing , the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand , the dynamic characteristics of the testing bearing are got , and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time , the result of the test is compared with the theoretical calculation 本文是在徑向?推力聯合浮環動靜壓軸承理論研究的基礎上，利用自制的實驗臺完成了對該軸承的動特性試驗研究，首次得到了測試軸承的動態特性，并將實驗結果和理論計算進行了對比。

Due to the distinct superiority of wavelet transform ( wt ) and wavelet packet transform ( wpt ) in time - frequency analysis of non - stationary signals , instantaneous frequency law can be obtained directly from amplitude of wpt coefficients . thus an indirect t - n characteristic testing method can be implemented with satisfying precision 該系統可以作為基于pc機與數據采集卡的自動測試系統的一個很好的例子，它充分利用了pc機豐富的計算資源與快速的運算速度，在間接法測試中具有獨到的優勢。

Taking dc motor test as an example , a creative idea of applications of some advanced signal processing tools , such as time - frequency analysis , wavelet , and instantaneous frequency ( if ) evaluation , in motor testing field is presented . the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out . in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed 本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基于小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基于小波脊線和小波曲線的瞬時頻率提取，并成功開發了基于正交小波包分析和基于小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。

After carefully comparing various existing motor performance testing systems and pcs and digital instruments based automatic testing systems , an effective testing system with pc and data acquisition card is proposed . the fast t - n characteristic testing system with neither torque nor speed sensor implemented in the paper is an excellent example of this new type 在分析了現有的各種電機性能自動測試系統的基礎上，本論文討論了基于pc機和數字化測試儀的電機性能自動測試系統，提出了基于pc機和數據采集卡的電機性能自動測試系統。

Secondly , this thesis analyses and tests the dynamics characteristics of the frame . the first inherent frequency has been ascertained by dynamics characteristics tested , analyzed and finite element calculated , strongly supports us to choose the scheme of benfield frame vibration control 其次，文章分析和測試了苯菲爾框架的動力學特性，通過測試分析和有限元計算確定了苯菲爾框架的第一階固有頻率，為苯菲爾框架大幅低頻振動的控制方案決策提供了有力的支持。

The field measurement of solar array can analyze and assess the power efficiency of solar energy station . however , the traditional method does not be used widely in characteristics test and assessment of solar energy station because of its inconvenience and bulkiness 太陽電池陣列的現場測試可以有效地分析和評價光伏電站的發電效率，但是由于傳統的現場測試方法具有體積龐大、現場測試不便等缺點，使得這種方法未能在太陽電站的性能測試和評價工作中得以應用。

This thesis put forward a scheme that make use of technology of vi to realize frequency characteristic test instrument , aim at the disadvantage of traditional frequency characteristic test instrument . the key technologies of virtual frequency characteristic test instrument are mainly described in this thesis 本文針對傳統的頻率特性測試儀的缺點，提出了用虛擬儀器技術實現頻率特性測試儀的方案，著重探討了用虛擬儀器技術實現頻率特性測試儀的關鍵技術。

At first , of thesis analyse a large amount of domestic and international to study about rotor crack characteristic testing modal research current situationing of analytical method synthetically , has understood existing problem , and studied the direction , the purpose and research contents clearly 首先本論文在綜合分析了大量的國內外關于轉子裂紋特性研究尤其是試驗模態分析方法的研究現狀后，了解了存在的問題，明確了研究方向、研究目的和研究內容。

This dissertation applies virtual instruments technique in the field of servo valve cat for the first time and makes a servo valve static and dynamic state characteristic test bedstand based on virtual instruments . relevant theories and methods are also studied 本文首次將虛擬儀器技術應用在電液伺服閥cat領域，研制出一套基于虛擬儀器的電液伺服閥靜、動態特性測試綜合實驗臺，并對電液伺服閥靜、動態特性測試的有關理論及方法進行了研究和探索。

The main contents are composed of the dynamic characteristic testing system for the switch of pressure temperature controller and analyzing the obtained data in the experiment , accessing the quality of the switch , putting forward the steps to improve the quality and the capability 本論文的設計與研制工作主要包括壓力式溫控器開關動態特性測試系統的研制和對獲取的數據進行分析,評定溫控器開關的質量,給出改進其質量、提高其性能的措施兩部分。

According to the at minicar project of chongqing changan automobile co . ltd . , a series of researches have been carried out . base on the characteristic tests of engine and torque converter , the mathematical models are established using curve fitting 在發動機性能試驗與液力變矩器性能試驗的基礎上，采用曲線擬合的方法得到了發動機及液力變矩器的數學模型，并對兩者聯合工作的輸入、輸出工作特性進行了分析。

A static / dynamic characteristic test was done to obtain all dynamic parameters of the lathe , then the software ansys for fea was used to simulate and display various vibration modes and natural frequencies with the guide joint parameters taken into account 首先利用靜、動態特性實驗得出機床的各項動態參數，然后用ansys有限元分析軟件模擬和顯示機床在考慮導軌結合面參數條件下的各階模態下的振型和固有頻率。

This program can do the static characteristics test and draw frequency response characteristics curve of the electro - hydraulic servo valve . the frequency response characteristics curve is done by the spectrum analyzer td4010 in the traditional way 同時,此套測試系統軟件也能實現電液伺服閥動態性能的測試,進行頻率響應曲線繪制,以替代頻譜分析儀td4010的功能。