超聲波探頭 的英文怎麼說
中文拼音 [chāoshēngbōtàntóu]
超聲波探頭
英文
ultrasonic probe-
Ultrasonics - hand - held probe doppler foetal heartbeat detectors - performance requirements and methods of measurement and reporting
手持式超聲波探頭多普勒胎兒心跳探測儀.性能要求測量和報告方法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。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。Study of ultrasonic testing probes for welds in steel space grid structures
球節點鋼網架焊縫超聲波探傷探頭的研製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； 4Taking the composite insulator as a measurement sample, knowing the waveform conversion condition on the boundary, only a conventional longitudinal testing probe is needed to measurement transverse wave produced by grazing incidence longitudinal wave
以復合絕緣子為測量樣品，為提高測量橫波的精度，根據超聲波在邊界上的波型轉換條件，使用常規縱波探頭對由掠入射縱波產生的橫波進行測量。Verification regulation of ultrasonic transducer
超聲波探頭檢定規程試行The obstacle is detected based on the back wave reflected from road surface. 3
自動標定超聲波探頭的架設高度，探頭與地面間有無遮擋物的判斷以地面回波為基準； 3The system accomplishes ultrasonic pulse transmitting and receiving, signal amplitude adaptive adjusting, data acquiring, echo searching, data processing and analyzing. different algorithms for echo searching, filtering and time difference measuring are proposed based on the thorough analysis of ultrasonic echo signal
研製的超聲波液壓測量系統由超聲波探頭、超聲波收發系統、高速數據採集系統和計算機構成，實現了超聲波信號的發射、接收、自動增益控制、數據採集、自動搜索回波、數據處理、分析等功能。The first part is the general interface of the hardware, which drives, monitors the ultrasonic sensor, receives signals generated by the sensor, converts the analog signals into numerical formats and sends them to the computer through a communication line. the second part is concerned with designing and implementing the software to be used by the vi
第一部分是以單片機為核心的超聲波發射接收卡的設計，其作用是驅動超聲波探頭工作，接收材料中的缺陷超聲回波信號，將其轉換為計算機可以處理的數字信號，並通過通信總線發送給計算機。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 question of ultra - sonic inspection on weld defect detecting of net frame spherical shape contact point is introduced in this paper, the detected rate of weld defect of net frame spherical shape contact point was significantly increased by improving the ultra - sonic exploring block, ultrasonic sensitivity special standard reference block and reference block, and ultra - sonic inspection process method
摘要介紹了超聲波探傷技術在檢測網架球接點焊縫缺陷中存在的問題；通過對超聲波探頭、靈敏度專用標準當量試塊和參考試塊以及超聲波探傷工藝等的改進，提高了球接點網架焊縫缺陷的檢出率。Non - destructive testing - characterization and verification of ultrasonic examination equipment - probes
無損檢驗.超聲波檢驗設備的特性和驗證.探頭Is characterized by colour digital display with 4 probes, ultrasonic induction, accuratedetection and entering back action, automatic start of anto - collision indication system, digtal display with location, perspective of barriers position and easy installation, which improves substantially the car s practicability, that is it is not disturbed in rain ang nighe, performing its advantages for it s against the disturbance of the strong electromagnetic waves. it is applied to the temperature in the range of - 40 85. it is also characterized by the three - grade dulcet for foretelling, colour digital indication, anti - vibration protection device, durable damp - proof treatment, inserting installation, original configuration, beautiful appearance and firmness. it also adopts anti mal alarm technology. it is specially produced, and its quality is ensured
數碼四探頭彩色顯示超聲波感應，偵測準確進入倒檔，自動開啟防撞提示系統數碼加方位顯示，效果能透視障礙物位置安裝容易，大大提高原車實用性能不受雨天黑夜等影響，盡顯優勢抗強電磁波干擾適應溫度寬40 85三級悅耳預First, we introduce the development of this research field, and review the relative theories and basis on ultrasonic guided waves and development of transducer. subsequently, we depict in detail the prosess of the development of guided - waves transducer, based on the particularity of object to be detected - pip eline and some relative manufacture techniques of transducer. and we have made 24 guided - waves transducers and a mechanical device with which we can mount transducers on a pipe
首先，本文對國內外本課題研究領域的進展作了綜述，並簡要介紹了與超聲導波技術和探頭研製相關的理論基礎；其次，根據檢測對象? ?管道的特殊性，結合常規探頭的製造技術，詳細介紹了超聲導波探頭的研製過程，製作了24個超聲導波探頭和一個用於把探頭在管道上固定的機械裝置，並且對探頭的一些性能參數進行了數值模擬。So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
為此，本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理，在結構簡單，功耗小的原則下，選用合適發光波長的探頭和信號處理器，設計出光強穩定的發光電路，低噪聲前級，以及本底干擾對消電路，通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。The factors include ultrasonic wave frequence, condition temperature, ultrasonic converter instrinisic system error, hareware extended time, electricity noise and sonic noise in the spot, city power defmcient pressure and exceeded pressure, city power peak and pour. we adopt the following compensation schemes of error in the system. about ultrasonic wave frequence ' s effect to measurement precision, we can choose appropriate frequence according to the measured distance
在空氣和液壓缸中影響測距精度的主要因素包括：超聲波的頻率、環境溫度、超聲換能器本身的系統誤差（即探頭固定誤差） 、硬體時間延遲、工作現場的電噪聲和聲噪聲、市電的過壓、介壓噪聲以及市電的尖峰和浪涌噪聲，在本系統中採取了以下幾種誤差的補償方案： ?對于超聲波的頻率對測量精度的影響，只能根據測距的距離選擇合適的超聲頻率。The ultrasonic inspection method for casting tee joint and elbow in power plant
火力發電廠鑄造三通彎頭超聲波探傷方法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