脈動測量 的英文怎麼說

中文拼音 [màidòngcèliáng]
脈動測量 英文
fluctuation measurement
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. We prospectively investigated whether measurements of carotid intima - media thickness in the presence or absence of albuminuria in patients with stable chest pain syndromes can be used as a noninvasive test algorithm for prediction of significant coronary artery disease

    前瞻性研究穩定性胸痛綜合征患者在有/無蛋白尿時的頸動脈內膜中層厚度測量能否作為預測重要冠狀動脈疾病的一種無創性檢查方法。
  2. In a study examining the impact of environmental cigarette smoke on heart blood vessels, japanese researchers found that 30 minutes of exposure to secondhand smoke reduced nonsmokers ' coronary flow velocity reserve ( cfvr ) - - a measure of the speed of blood flow

    該研究調查了吸煙環境對心臟血壓的影響，日本研究人員發現暴露在二手煙環境三十分鐘可使不吸煙者冠狀動脈血液流速，這就是血液流速的測量值降低。
  3. Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system

    本文在安全跟車模型的基礎上，提出了系統方案：採用霍爾多脈沖轉速傳感器測量汽車的速度，毫米波雷達測量兩車的距離和相對速度，利用at89c51作為信息採集單元的控制中心，對各種信息進行分析判斷，當行車距離小於報警距離時啟動相關的報警單元。
  4. The suboccipital segment of vertebral artery and related structures were dissected and measured on the cadaveric heads with connected neck under 4. 5 loupes magnification

    在手術放大鏡（ 4 . 5 ）對10個10福爾馬林固定的成人連頸屍頭標本進行解剖，測量枕下區的椎動脈及毗鄰結構。
  5. All subjects underwent spirometry, measurement of aortic pulse wave velocity ( pwv ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators

    所有的研究對象接受肺量測定法，測量主動脈脈沖速度和增強指數，雙能x線吸收儀和採集血樣分析炎性介質。
  6. All subjects underwent spirometry, measurement of aortic pulse wae elocity ( pw ) and augmentation index, dual - energy x - ray absorptiometry, and blood sampling for inflammatory mediators

    所有受試對象都進行肺活量測定、主動脈脈搏波速（ pw ）和增強指數測量、雙能x -線吸收儀檢查，以及炎癥介質血樣檢測。
  7. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  8. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。
  9. The high - speed transmission error test system is a new system for te test and analyzing, which applied plus zoom theory and computer, combined the newest development of electron technology

    「高速傳動誤差測量系統」是以微機為核心，結合電子技術的最新發展，將脈沖信號細分原理與微機應用相結合的新型傳動誤差分析系統。
  10. An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given

    提出了一種測量目標輻射源脈沖到達時間和到達方向實現固定單站對運動輻射源進行無源定位的演算法。
  11. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力，這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  12. Abstract : the effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine

    文摘:為了測量發動機進、排氣管內氣流的脈動流動特性，對自行設計的對氣流起穩壓作用的阻尼穩壓箱進行了研究。
  13. And at last the measurement of helical gear pump flow pulse has been presented, which include how to measure the flow pulse and the validating the theory mentioned before and to try to the solve the problems happened during the process

    根據齒輪泵流量脈動的檢測要求，採用新的測試方法和手段，建立了中高壓齒輪泵性能測試裝置，並對樣機進行了性能測試。
  14. Other : connected with the isolanting diaphragm part ( code : bw ), ytfn series can be used to measure the pressure of an impulsing, a shocking or a suddenly unloaded medium

    Ytfn系列儀表配裝強耐震體后，可測量劇烈脈動、沖擊及突然卸荷的介質壓力。
  15. To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error

    鋁電解生產現場電磁干擾非常嚴重，為此我們將需要測量的模擬信號就近轉換為頻率脈沖后再傳送到控制核心；採用浮地接入方式消除槽電壓信號中的共模成分；設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾；用最小二乘法進行曲線擬和以降低測量的系統誤差。
  16. For the first time the complex separated flow in the aft - end zone was measured using pdpa technology. the whole mean and fluctuating flow field were obtained

    利用pdpa測速技術首次對燃燒室尾部的復雜分離流動進行了測量，獲得了完整的時均速度和湍流脈動定量數據。
  17. However, a new method is brought forward when dealing with alternating components of emitting light in reflectance detection, which entirely reflect the concentration of oxy - hemoglobin and deoxy - hemoglobin in blood, to improve the system sensitivity on oxygen saturation alternation. the new method is an innovative reference to reflectance oxygen saturation detection

    在對檢測到的完全反應血液中氧合血紅蛋白和脫氧血紅蛋白含量變化的脈動分量的處理上，由於透射檢測中的處理方法用於反射時靈敏度降低，論文中提出了一種新的能更靈敏反應血氧變化的參量作為確定血氧飽和度的依據。
  18. Measurement method of time jitter between pump laser pulse and rf wave by the charge change in photoinjector

    光陰極微波電子槍中激光脈沖的時間抖動測量
  19. Flow pulsation of a specific gear pump is analyzed and the results are given. according to the testing requirement of pump pulsation, the measurement device of the testing flow pulsation, based on iso 10767 - 2 measurement standard, the measurement device of flow pulsation testing is built. high speed dynamic pressure transducer is used to record the pressure pulsation in the pipeline

    然後根據齒輪泵流量脈動的檢測要求，採用iso10767 - 2測試方法，搭建了齒輪泵流量脈動測試裝置，採用動態壓力傳感器，對齒輪泵系統進行了壓力脈動測試，利用壓力脈動與流量脈動的比例關系，對齒輪泵流量脈動分析結果進行了驗證。
  20. ( 3 ) without driving signal, all fiber q - switched lasers can achieve self q - switched pulse, measuring the effect of different pumped power to self q - switched and giving reasonable theory analysis

    （ 3 ）全光纖調q激光器，在沒有驅動信號的情況下，得到自調q脈沖，測量了在不同泵浦功率條件下對自調q現象的影響，並從理論上給予了合理的分析。
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