超聲測流器 的英文怎麼說
中文拼音 [chāoshēngcèliúqì]
超聲測流器
英文
ultrasonic flow detector- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 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...
- 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
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In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings
本課題設計的是一種懸掛式超聲波車流多信息檢測器,通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號,利用地面回波來判斷遮擋物地存在,可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息,並可用於多個車道車流信息的同時檢測,綜合這些測量參數可獲得車流量的必要數據,可為公路建設提供必要的基礎依據。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。Ultrasonic blood flow detector
超聲血流探測器Ultrasonic flow dtector
超聲血流探測器The suitable oil flux during the circulating of transformer could be defined according to the difference of temperature between the oil and wind in the inlet and the cooling capacity of the wind cooling system ; besides the oil flux can be determined by ultrasonic, it can be estimated whether the oil is flowing equably by determining the oil flux in the branch pipes ; reducing the oil flux of the oil pump could be realized by controlling to change its frequency, which could not only save the energy, reduce the wastage, but benefit the transformer ' s circulating safely
變壓器運行中可根據進口油溫和進口風溫之差、風冷卻器的冷卻容量來確定合適的油流量;油流量可以通過超聲波法進行測量,測量油的分管流量還可判斷油流的均勻情況;降低潛油泵流量可通過潛油泵的變頻控制來實現,不僅節能降耗,對變壓器的安全運行也有著重要意義。A new method for non - interposed testing to the flux and pressure parameters is proposed with ultrasonic. based on the new method, on - line fault diagnosis for weapons and equipments is achieved
本文提出的用超聲波非介入式管外測量方案,無需預留檢測介面,實現了流量、壓力的實時在線檢測,為武器裝備現場診斷搶修奠定了可靠基礎。Although there are many literatures describing ultrasonic detector for traffic flows, none of the same category has referred the techniques applied in the design herein such as multi - sensor construction, automatically establishing datum line regardless of suspension height, digital filtering and multi - lane detection as well as measuring length of motorcade
目前有關超聲波車流檢測器的文獻較多,但本設計中採用的多探頭結構、自動標定超聲波探頭的架設高度、數據濾波以及多車道測量和檢測車隊長度等技術在同類設計中未見使用。Eddy - current sensor test technology is a kind of very popular untouched nondestructive test technology developed in last decades, which makes up five major modern nondestructive test technologies together with magnetic particle test, radial test, ultrasonic test and osmosis test
電渦流傳感器檢測技術是近年來應用較廣泛的一種無損檢測方法,它同磁粉檢測、超聲波檢測、射線檢測和滲透檢測統稱為五大無損檢測技術。By placing an ultrasound probe on the outside of the chest, the machine helps doctor to see the heart easily and clearly in 2d and therefore to assess the function of the heart muscle, the valves and even to see the blood flow in the major coronary arteries
這部儀器使用方便,只要將超聲波探查器放在胸廓外,便可從二維角度觀察心臟,從而可測知心肌、心瓣功能及主要冠狀動脈的血流。By the introduction of cross - correlation technology and ultrasonic transducer, the ultrasonic flow measurement system can be developed, and the un - contact flow measurement of two - phase flow can be realized, therefore the research of the ultrasonic cross - correlation flowmeter is a subject that has great significance
以互相關技術為基礎,採用超聲波換能器構成超聲流量測量系統,可以實現兩相流的非接觸測量,因而超聲相關流量計的研究是一項有重大意義的課題。Conventional detectors, for example, inductive loop, detectors using ultrasonic, microwave, or infrared, have been put into use for several decades. meanwhile, a promising approach, video - based measurement system, has developed quickly. since it has many advantages, for instance, wider - area detection and superior flexibility, many researches have been done in this area
交通流檢測器有電磁感應線圈、超聲波檢測器、微波檢測器和紅外光標等多種方式,而基於圖像處理的視頻檢測方式近年發展很快,因為它具有大區域檢測、設置靈活等優越性,已成為智能交通系統的一個研究熱點。The realizing methods for the algorithms are presented also. a hydraulic experiment system is established to simulate the different states of hydraulic system, with a pump, several valves, turbo - flowmeter, pressure gauge, and many hydraulic pipelines of different diameter
利用液壓泵、各種控制閥門、標準表及不同管徑液壓管路構建了一個液壓實驗系統,可實時模擬武器裝備液壓系統的各種工作狀態,為超聲波的壓力、流量測量提供了一實驗平臺。In the past, piezoelectricity transducer was adopted usually in the ultrasonic flowmeter development, so in higher temperature, for example, exceeds 150 " c, the measurement was not carried out
以往的超聲流量計均採用壓電超聲換能器進行測量,這樣在被測流體溫度較高,超過150的情況下,就無法進行測量了。In recent ten years, on the basis of development of high - speed digital signal processor and microprocessor, on the basis of research for new - style probe material and technology, on the basis of research for acoustic channel configuration and flow mechanic, the ultrasonic flow measurement technology has obtained a great advancement, showing its strong technical advantage and becoming an important flow measurement technology
近10年來,基於高速數字信號的處理技術與微處理器技術的進步,基於新型探頭材料與工藝的研究,基於聲道配置及流體動力學的研究,超聲波流量測量技術取得了長足的進步,顯示了它強勁的技術優勢,成為一種重要的流量測量技術。分享友人