氣流探測器 的英文怎麼說
中文拼音 [qìliútàncèqì]
氣流探測器
英文
airstream detector- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
- 探測器 : finder; detector; seeker; sounder; probe
- 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
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In perhaps the most unusual proposal of all, scientists from nasa ' s jet propulsion laboratory ( jpl ) in california are proposing to build a probe that uses heated water jets to descend to depths of up to a hundred meters through the frozen ice caps at the martian poles inn search of organic matter
在或許是最不一般的建議的倡導下,加利福尼亞州航空航天局噴氣推進實驗室( jpl )的科學家們正在計劃建造一臺探測器,使用熱水射流穿透火星極地的冰帽,深入到100米以下,搜尋有機物質。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。Chapter six introduces half - model test study of different parameters with ao effects utilizing the shack - hartman technology. chapter seven investigates the simulation technology for ao, mainly in 2 - d flow - field. this paper has a wide scope, ranging from theoretical foundation of ao to its engineering physics methods, from low temperature to high temperature that influence the index - of - refraction, from 2 - d to 3 - d ( density field ), from high speed to hyper - speed ( interceptor ' s speed ), from model test to numerical simulation ( optical phase measurement )
並進行了實驗驗證;第四章主要探討二維流場折射率的全息測量技術;第五章介紹了導引頭三維流場干涉測量的試驗方法和數據重構;第六章利用哈特曼傳感器技術對氣動光學效應各種參數進行了半模試驗測試研究;第七章是氣動光學的模擬技術,主要研究二維流場數值模擬技術。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。In euv and soft x - ray band, the most often used detector is ion chamber with rare gas, from whose collective electrode we can directly calculate intensity of photon flux
在極紫外和軟x射線波段常用的探測器是稀有氣體電離室,可以通過電離室收集極的收集電流直接計算出光子流強度。When the alarm detects that the concentration of the gas reaches or excesses the preset alarming scale, the alarm will give out sound and light alarm immediately to warn the users to take measures for safety, start the exhaust and the spray systems, and cut off the gas flow for preventing explosion, fire disaster and poisoning to guarantee the safety of production
當環境中探測氣體濃度達成或超過預置報警值時,報警器立即發出聲光報警,以提醒用戶採取安全措施,並驅動排風、噴淋系統、切斷,切斷氣流防止發生爆炸、火災、中毒事件,從而保障安全生產。If there are practical difficulties for installation of the off - gas destructor, the ozone generator and the contact tank should be installed in a well ventilated area fitted with ozone leakage detector with automatic alarm and equipment shutdown device
假如實際情況難以安裝清除漏出臭氧的裝置,便應把臭氧產生器和臭氧接觸缸安裝在空氣流通的地方,並且裝上了附有自動警報器和關閉設備的臭氧泄漏探測器。Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years
哈特曼波前傳感器具有實時探測,易操作,可以直觀顯示波前畸變分佈等優點,被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償,大氣湍流統計特性表徵,光學元件檢測,光束質量評價,超強激光脈沖波前整形,激光大氣通信以及人眼象差測量等各個領域之中,其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。The research work is involved in the main circuits structure and the protection of the valves, the determination for the important parameters of the components in the main circuits, the triggering system of the valves, the technology of hv - tsc valve ' s turn - on without inrush current presentation, and the function design for the controller of the thyristor valves. a real hv - tsc valve controller corresponding to the research work has been developed. field tests has shown that the hv - tsc valve controller is able to provide effectively and reliably control and protection for the hv - tsc valves
本論文對高壓tsc裝置所用的可控硅開關的主電路電氣結構、主電路的保護電路、主電路中的重要元件參數的選擇、可控硅開關的觸發系統構成、無沖擊涌流投入電容器技術、可控硅開關控制器功能設計及其功能實現進行了深入的研究和探討,並對可控硅開關控制器進行了實際的設計和試制,現場測試證明其對可控硅開關的控制是可靠、有效的。Based on image process, a new method is proposed to measure void fraction without contact. this method breaks through the traditional point measure and sensor technology
本文突破了點測量和機械探頭傳感器等傳統的摻氣濃度測量方法,採用非接觸測量法,首次將計算機圖像處理技術應用於水流摻氣濃度的實測。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。Isobaric identification with gf - tof method is based on the different time of flight caused by the different energy loss. the resolution of gf - tof is mainly affected by two factors. first, the rises time of current pulse from start and stop detector
Gf - tof方法對同量異位素的分辨取決于e的不同而產生的時間不同,時間分辨僅來源於定時探測器電流脈沖上升時間的快慢和離子在氣體介質中的能量離散。Through preventive and analyzing test of dissolved gas, water content in oil of the large - scale rectification transformer, we discuss the validity of the preventive test, and put forward the proposal on examining method, the failure diagnosis as well as the present situation and the development of maintenance for large - scale rectification transformer
摘要通過對大型整流變壓器油中溶解氣體、油中含水量分析預防性試驗,探討預防性試驗有效性,並對檢測方法、故障診斷以及大型整流變壓器狀態檢修的現狀與發展提出建議。The radial, circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared. the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems. at the same time, the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions
以單級軸流壓氣機實驗器為對象,研製了兩種型式的靜壓動態探針?梳形針和圓盤針,詳細測量了過失速狀態下流道中壓力沿徑向、周向和軸向分佈,驗證了用一維模型分析壓氣機過失速性能和失速可恢復性的可信度,同時為過失速狀態下葉片的振動響應分析計算提供了第一手實驗數據。Alarm system for electric fire prevention part 2 : leakage current detecters for electric fire prevention
電氣火災監控系統第2部分:剩餘電流式電氣火災監控探測器分享友人