聲源測定法 的英文怎麼說

中文拼音 [shēngyuándìng]
聲源測定法 英文
sound perimetry
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. Acoustics - determination of sound power levels of noise soures - engineering methods for small, movable sources in reverberant field - part 1 : comparsion method for hard - walled test rooms

    功率級混響場中小型可移動工程第1部分:硬壁試室比較
  2. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - methods for special reverberation test rooms

    學.噪功率級.在混響場中對可移動的工程量方.用專用混響試驗室的量方
  3. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - comparison for hard - walled test rooms

    學.噪功率級的.在混響場中小和移動的工程量方.第1部分:硬墻試驗室的比較分析
  4. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 1 : comparison method for hard - walled test rooms

    學.功率級.混響場內小型可移動的工程.第1部分:硬壁試驗室中的比較
  5. Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms

    學.功率級.混響場中小型可移動的工程檢.第2部分:專用混響試驗室
  6. Acoustics. determination of sound power levels of noise sources. engineering methods for small, movable sources in reverberant fields. part 1 : comparison method for hard - walled test rooms

    學.噪強級的.混響場中小和移動的工程量方.第1部分:硬墻試驗室的比較分析
  7. Acoustics - determination of sound power levels of noise sources - using sound pressure - engineering metheds for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms

    功率級混響場中小型可移動工程第2部分:專用混響試室
  8. Acoustics - determination of sound power levels of noise sources - precision methods for anechoic and semi - anechoic rooms

    學噪功率級的室和半消室精密
  9. Precision methods for the determination of sound power levels of noise sources in anechoic and hemi - anechoic rooms

    在無回和半無回的室內精確功率級的方
  10. Acoustics - determination of sound power levels of noise sources using sound pressure - precision methods for anechoic and hemi - anechoic rooms

    學.利用功率級.消室和半消室用精密
  11. 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位理論基礎上,本文第二章提出了幾種在角度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位和利用離心加速度信息位的可觀性進行分析並得到了相應的可觀條件;第四章針對傳統擴展卡爾曼( ekf )方的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方,並將其和ekf 、 mgekf 、 iekf等常用的單站無位濾波方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和模型,提出了利用角度及其變化率對機動輻射跟蹤的多級噪自適應方和imm方;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,提出了幾種高精度量脈沖序列多普勒頻率變化率的方
  12. The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border

    本文進行的主要研究工作有: 1解決柱式容器檢中傳感器排布要求較嚴格的問題,開展任意三角形網路排布檢技術與線位技術研究,首次提出了利用字元串格式判斷線位陣列有效性的判別方,並解決了任意三角形位中存在的位陣列判斷,偽位的剔除,重復位的避免等一系列問題; 2利用平面任意三角形位方開展常壓立式儲罐罐底缺陷位技術研究,提出了全新的位陣列有效性判斷、位點的有效性判斷方;以及頂點和邊界的處理辦
  13. En iso 9614 - 2 acoustics. determination of sound power levels of noise sources using sound intensity. part 2 : measurement by scanning

    學.利用音強度功率級.第2部分:掃描
  14. Acoustics - determination of sound power levels of noise sources using vibration velocity - measurement for seal machinery

    學振速功率級用於封閉機器的
  15. We proposed the means of near field measurement correction and far - near - field fuzzy distinguish synthesis according to if fixed evaluation points exist. the method advanced in precision

    針對有無固評價點兩種情況提出了近場量修正、遠近場綜合模糊識別,使識別的精度明顯提高。
  16. Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source

    結合mz干涉式光纖陀螺的存在較大非互易相移的特點,著重從其溫度穩性、偏振噪以及光波動引起的誤差三個方面分析了抑制噪、提高檢精度的方,提出了:採用「準白光」干涉結合光纖研磨技術精確控制光纖長度差的辦;採用非偏振光抑制偏振噪的方;採用溫度控制、功率控制以及消偏器實現穩化陀螺光的方
  17. Acoustics - determination of sound power levels of noise sources using sound pressure - survey method using an enveloping measurement surface over a reflecting plane iso 3746 : 1995 ; german version en iso 3746 : 1995

    學.噪音功率級.包絡面簡易
  18. Engineering method for the determination of sound power levels of noise sources using sound intensity

    根據音強度功率級的工程方
  19. Acoustics - determination of sound power levels of noise sources using sound pressure - survey method using a reference sound source

    功率級使用標準簡易
  20. 3. we put forward a combine algorithm for predicting the aerodynamically generated noise using different methods mentioned above, and developed a computer code named " nospre " to predict acoustic noise generated by rotors 4

    Nospre集成了三種噪,可採用固或旋轉的面來預跨音速旋翼懸停和前飛時的氣動噪
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