檢波頭 的英文怎麼說

中文拼音 [jiǎntóu]
檢波頭 英文
crystal mount
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. Sensing probes of fiber bragg grating geophones

    光柵地震器傳感
  2. The code of ultrasonic inspection section for butt welds of pipes

    管道焊接接超聲驗技術規程
  3. Ultrasonics. hand - held probe doppler foetal heartbeat detectors. performance requirements and methods of measurement and reporting

    超聲學.手持探式多普勒胎兒心音測器.性能要求和測量及報告方法
  4. 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、燈互換性、安全結構查等。
  5. 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

    本文根據超聲頻譜分析的特點,綜合考慮了測電路響應、耦合狀況、探位置等因素的影響,制定出了一套合理的超聲頻譜分析方法,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。
  6. The asian american health initiative uses a qualitative ultrasonic bone sonometer to test bone strength

    Aahi使用驗合格的超聲骨密度儀測試骨強度。
  7. 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、 sobel或kirsch運算元邊緣測、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。
  8. 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

    摘要採用縱直探和自磨製經校準的斜楔橫,對鎢合金殼體部件進行了測,並對鎢合金殼體的缺陷定位、典型缺陷及其對應的回特徵進行了研究。
  9. 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

    採用多探結構,多個探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有所增加,可大大降低回率; 2
  10. 3 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測的壓電探或樁基完整性測的反射法中使用的速度傳感器或加速度傳感器。
  11. 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、扇面標記的測上,以及用在延遲線存儲器的電子或聲脈沖變換器上。
  12. 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、扇面標記的測上,以及用在延遲線存儲器的電子或聲脈沖變換器上。
  13. 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車流多信息測器,通過懸掛于路面上方的超聲向路面周期性地發射脈沖信號,利用地面回來判斷遮擋物地存在,可用於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。
  14. 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、目標回信號模型、雜模型、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、包絡后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾等,然後給出了信號處理流程。
  15. 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。實現以各探中最早收到的回信號為本測單元的有效信號,有效提高信噪比和測精度; 4
  16. Technological 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,經試驗測成功推向市場以來已有7個年,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。
  17. 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

    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、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
  18. Verification regulation of ultrasonic transducer

    超聲定規程試行
  19. 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

    目前有關超聲車流測器的文獻較多,但本設計中採用的多探結構、自動標定超聲的架設高度、數據濾以及多車道測量和測車隊長度等技術在同類設計中未見使用。
  20. 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,利用小變換對奇異性測的強大功能,測行的到達時刻,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。
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