激光外差測量 的英文怎麼說

中文拼音 [jīguāngwàichācèliáng]
激光外差測量 英文
laser heterodyne measurement
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 外 : Ⅰ名詞1 （外面） outside; external side 2 （外國） foreign country 3 （以外） besides; beyond; in ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 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
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. A distant field interference of non - single - core light beams is analysed in a transparent liquid or solid when the bubble is irradiated with laser, a formula on optical path length difference is derived, interference regions and causes of interference rings thick inside and thin outside are analysed, the diameter of bubble can be measured by method of interference, the size of bubble and refraction index of gas inside the bubble can be measured in the depths of medium

    摘要對透明液體、固體中氣泡在激光照射下產生的一種非單心光束干涉進行了遠場分析，得到了程差公式，分析了干涉的區域、圓環狀干涉條紋內密外疏的原因，通過干涉的方法可以測量氣泡的直徑，能夠用於介質深處氣泡尺寸及泡內氣體折射率的測量。
  2. The effective disturbance of laser to imagining track system is validated by two experiments. one is laser irradiates ccd detectors and the other is laser disturbs ccd imaging track evaluation system. the energy of laser disturbing ir imagining guided system effectively is estimated. the guidance error sources are analyzed and the hitting probabilities are calculated before the disturbance and after it by utilizing the formula about single missile shot percentage

    首先通過激光輻照面陣ccd探測器和激光干擾ccd成像跟蹤系統的兩個實驗，證明激光對成像跟蹤系統能形成有效干擾;然後對激光有效干擾紅外成像制導系統所需的能量進行估算;分析了制導誤差的來源，根據建立的導彈命中概率計算公式，具體計算激光干擾前後導彈命中概率。
  3. The double - frequency laser interferometer belongs to the heterodyne interferometer. it has been proved that this kind of interferometer possesses the advantage of having a higher transform gain, better wave - filter capacity and high spatial resolution. furthermore, this kind of interferometer can filter out background light interference and obtain a measuring signal with high signal / noise ratio

    雙頻激光干涉儀是一種外差干涉儀，理論分析證明：外差干涉具有高的轉換增益、良好的濾波性能及優異的空間鑒別能力，能有效地濾除各種背景光干擾，得到信噪比很高的測量信號。
  4. In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power

    本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異，結合對現有燒結工藝的分析，研討了造成這些差異的機理；採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。
  5. The theory of the optical heterodyne measurement system is expounded and the principle and merit of ultrasound pulse generated by a laser pulse are analyzed

    對光外差系統的測量原理進行了說明，分析了由激光脈沖激勵超聲的原理和優點。
  6. The testing principle of the system is explained and the two components of the system including the optical heterodyne measurement system and the system of ultrasound pulse generated by a laser pulse are introduced

    課題採用一種結構簡單、易調試的光外差超聲無損探傷系統，對其探傷機理進行了說明，介紹了組成系統的兩部分:光外差測量系統和激光脈沖激勵超聲部分。
  7. Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit

    本文綜述了國內外橋梁監測技術的發展概況，在深入研究脈沖激光測距和光纖應變測試原理的基礎上，針對單片機固有計數頻率低、計數量化誤差大和延時不固定等不足，結合cpld計數頻率高、延時小而固定和單片機控制功能強的優勢，並採用模數轉換技術設計計數量化誤差測量電路，提出了基於激光脈沖時間測量法的光纖應變測量的方案。
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