檢波頭 的英文怎麼說
中文拼音 [jiǎnbōtóu]
檢波頭
英文
crystal mount-
Sensing probes of fiber bragg grating geophones
光柵地震檢波器傳感頭The code of ultrasonic inspection section for butt welds of pipes
管道焊接接頭超聲波檢驗技術規程Ultrasonics. hand - held probe doppler foetal heartbeat detectors. performance requirements and methods of measurement and reporting
超聲波學.手持探頭式多普勒胎兒心音檢測器.性能要求和測量及報告方法Energy consume, electric strength, insulation resistance, ground conductivity, leakage current, microwave leakage, power input, normal temperature, humidity treatment, glow wire, horizontal flame, vertical flame, tracking, ball pressure, rainproof, water splash, dustproof, salt fog, endurance, motor load test, cord flexing, cord pulling, pull & torque test, lamp replacement, construction check etc
能耗、電氣強度、絕緣電阻、接地連續性、泄漏電流、微波泄漏、功率、溫升、濕熱試驗、灼熱絲、水平燃燒、垂直燃燒、漏電起痕、球壓試驗、防雨淋、防濺水、粉塵、鹽霧、耐久性(壽命)試驗、電機負載試驗、電源線彎折、電源線提拉、拉扭力測試、燈頭互換性、安全結構檢查等。Based on the character of ultrasonic spectrum analysis, considering the affection of the circuit responsion of checking system, coupling state, position of checking transducer, this thesis established reasonable ultrasonic spectrum analysis method. using this method, several kinds of linear spectrum ( such as phase amplitude spectrum, phase power spectrum ) were researched and discussed
本文根據超聲波頻譜分析的特點,綜合考慮了檢測電路響應、耦合狀況、探頭位置等因素的影響,制定出了一套合理的超聲波頻譜分析方法,並用此方法對幾種線性譜(如相位幅度譜、相位功率譜等)進行了研究和探討。The asian american health initiative uses a qualitative ultrasonic bone sonometer to test bone strength
Aahi使用檢驗合格的超聲波骨密度儀測試骨頭強度。This paper studies to get the image of thenar by using a video camera, and carries on the necessary image processing by software with the information captured, and gets the ideal image to provide the image data basis for follow - up cad after the processing such as median filtering, sobel or kirsch ' s operator edge detection, image reversal and image enhancement etc. in this paper, the pressed image information of thenar captured by camera have been carried on processing and analyzing, and the result has been compared with that of image acquired by the scanner
本文研究了利用攝像頭獲取腳底圖像,再通過軟體將所獲信息進行必要的圖像處理,經中值濾波、 sobel或kirsch運算元邊緣檢測、亮度調整及反置、圖像增強等處理后,得到滿意的圖像為后續的cad提供圖像數據依據。本文對攝像頭採集的足底受壓圖像信息進行了處理和分析並與掃描儀的圖像處理結果進行了比較,由結果得知攝像頭輸入方法是一種簡單實用的輸入方法,且能很好的滿足設計要求。Defect location, representative defect and its ultrasonic echo characteristics corresponding of tungsten alloy shells had been systematically studied by both vertical wave sensors and transverse wave sensors calibrated after manufacturing
摘要採用縱波直探頭和自磨製經校準的斜楔橫波探頭,對鎢合金殼體部件進行了檢測,並對鎢合金殼體的缺陷定位、典型缺陷及其對應的回波特徵進行了研究。This design has distinctive technical features as follows : 1. applied multi - sensor construction. well - calculated distance and crossing angles between sensors aiming at a same target makes it possible to acquire more accurate back waves than single sensor construction
採用多探頭結構,多個探頭之間相互之間有一定距離和交織發射角度,對準同一個被測物體的反射面,可使檢測范圍內的每一個固定點上反射面的可測方位個數較單探頭有所增加,可大大降低回波漏檢率; 23 in experiment the common electrical - resistance strain gages is used as receiver to replace the pzt or velocity and acceleration transducer which is frequently used in pipeline not
3 、實驗採用動態電阻應變電測法,採用普通的電阻應變片作為接收傳感器,代替了通常用於管道檢測的壓電探頭或樁基完整性檢測的反射波法中使用的速度傳感器或加速度傳感器。In relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory
在與計算機有關時,這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上,以及用在延遲線存儲器的電子或聲波脈沖變換器上。A device for converting energy form one form to another. in relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory
把能量從一種形式轉換成另一種形式的裝置。在與計算機有關時,這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上,以及用在延遲線存儲器的電子或聲波脈沖變換器上。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。The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided
論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流程。Arranged signal activating lock circuit and time - base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle, thus to improve the ratio of signal vs. noise and detective precision
在超聲波接收電路中設有信號觸發鎖定電路和時基控制電路。實現以各探頭中最早收到的回波信號為本檢測單元的有效信號,有效提高信噪比和檢測精度; 4Technological innovation is the development of enterprises in the last word, i have always maintained the secretary rise in special wallssevered the forefront of the core system, in 2000, the high - intensity of my invention cesium potassium glass chip. test success has been on the market seven years, 2007 to special ( fire ) glass wallsindoor fire glass partition, fire glass window design, construction and 10 years of deep - processing glass curtain wall designconstruction and constantly sum up experience and experiment, glass walls severed system to fire. high temperature must be within the framework of anti - bomb material support fixed glass in the event of fire. at the time of the explosion have enough time to ensure the integrity of the entire system. bullet - proof glass or glass does not fire in a short period of time due to damage fixed framework, a glass panel fell off, lost the fire or bomb - functional
企業不斷的技術創新是我們發展的硬道理,也是我司一直保持林立於特種幕墻、隔斷系統前沿的核心, 2000年,我司發明的高強度單片銫鉀防火玻璃,經試驗檢測成功推向市場以來已有7個年頭,七年來特種(防火)玻璃幕墻、室內防火玻璃隔斷、防火玻璃門窗的設計、施工及十多年來的玻璃深加工,幕墻設計、施工及不斷的經驗總結和試驗,玻璃幕墻、隔斷系統要防火、防炸彈沖擊波必須要有耐高溫高強度的框架材料固定支撐玻璃,在一旦發生火災、爆炸的時候要有足夠的時間保證整個系統的完整性,不至於防火玻璃或防炸彈玻璃在短時間內由於固定框架破壞,而玻璃脫落,失去了防火或防炸彈的功能。Ningbo city yinzhou wanli tools co., ltd. is a commerce & industry type enterprise which is specialized in manufacturing various screwdriver, screwdriver set head, watch & clock lot, plastic products, hardware combined tools. it owns self - imp. / exp. rights. it covers an area of over 6, 000 square meters. this company has a long production history. it possesses rich design, r & d experience. it is of the abundant technical force. it has the advanced manufacture equipments and testing apparatus. the products are of novel design, pleasing model, complete specifications, reliable quality. they sell far to the countries and regions such as europe, america, southeast asia etc. “ chenwan ” brand has already won the general approval and apprasisal from vast customers because of its perfect quality, superior service, reasonable price
寧波市鄞州萬利工具有限公司是一家專業生產各種螺絲刀、螺絲批頭、鐘表批、塑料製品、五金組合工具的工貿型企業.擁有自營進出口權和6000餘平方的生產廠房.本公司歷史悠久,擁有豐富的設計研製經驗,技術力量雄厚,具有先進的製造設備和檢測儀器,產品設計新穎,造型美觀,規格齊全,質量可靠,遠銷歐美、東南亞等國家和地區.公司始終以完美的品質,優良的服務,合理的價格,使chenwan品牌已贏得了廣大客戶的認可和好評Verification regulation of ultrasonic transducer
超聲波探頭檢定規程試行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。The fault location principle that utilizes traveling wave is used in the small current grounding power systems firstly in my paper. using the powerful function of wavelet in the face of singular detection, the time that the wave crest arrives are detected and the fault location is realized. this paper provides a new approach for the research of equipment of the single phase grounding fault location and makes a significant step for the improvement of automation level in the distribution systems
本文將行波故障測距原理在小電流接地系統中進行了初步嘗試,利用小波變換對奇異性檢測的強大功能,檢測行波波頭的到達時刻,實現故障測距,為小電流接地系統單相故障測距裝置的研製開辟了新的途徑,為配電網自動化水平的提高邁出了重要的一步。分享友人