熱像差 的英文怎麼說
中文拼音 [rèxiàngchā]
熱像差
英文
thermal aberration-
Standard test method for minimum resolvable temperature difference for thermal imaging systems
熱成像系統用可分辨的最小溫度差的試驗方法Because of its good electrical conductivity, cfrc specimens will engender joule effect when a relatively low voltage was added to them. if there are flaws inside, the surface temperature distribution of the specimens should be uneven. therefore, infrared thermograph ndt can be conducted
利用碳纖維混凝土良好的導電性，通過對碳纖維混凝土試件施加較低的電壓，使其產生焦耳效應，如果試件內部存在缺陷，將在表面產生溫度差，從而可以利用紅外熱像技術進行無損檢測。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。A sil flying head is designed to keep the distance between sil and recording medium in near - field range. a sil optical data storage system is built up when the recording head is combined with sil flying head. meanwhile, using astigmatic focusing error detection technology and twin optical pick - up heads, a novel nontouching nanometer measurement method is developed to measure the flying height of sil, and provides us with a powerful tool to optimize the design of sil fly head
在sil存儲技術研究方面，首先提出一種光學玻璃熱熔加工製作sil的新方法，該方法克服了小半徑球透鏡加工的難題，成功製作出了半球固體浸沒透鏡；設計了sil飛行頭系統，並利用光學頭像散法聚焦誤差檢測原理，設計出一種雙光學頭sil飛行高度測量方案，實現了sil飛行頭飛行高度的測量。Mutant, a powerful tool of analyzing genetic process, has already been extensively used for research in plant growth, metabolism and signal transduction infrared imaging techniques utilize every part of difference of infrared radiation of objects to obtain the details of the thermal images
而突變體作為剖析復雜生物學過程強有力的工具，已被廣泛用於植物發育、代謝途徑及細胞信號轉導的研究。遠紅外成像技術是利用物體自身各部分對紅外熱輻射的差異把紅外輻射圖像轉換為可視圖像的技術。Modern corneal laser surgery has been one of the effective methods for wavefront aberration correction in recent years
近年來準分子激光角膜技術迅速發展，人眼波前像差的矯正成為該領域研究的熱點問題。Currently the measurement and correction of aberration is a focus points in the field of ophthalmology. the examination of wave - front aberration is a main method that is used to observe optical system of the human eye
人眼波前像差測量與矯正是目前眼科領域的研究熱點之一，而波前像差測量是觀察人眼光學系統是否完備的一種比較全面的方法。Excimer laser corneal refractive surgery and wavefront technology have developed rapidly these yeas. now, wavefront - guided laser vision correction becomes the hotspot in corneal refractive surgery. applying the technology of cad / cam, this paper has studied modeling technologies in excimer laser vision correction
近年來準分子激光角膜屈光手術、眼波前像差的測量技術迅速發展，當前波前像差引導的個體化切削技術成為研究的熱點問題。The middle big thorn and the hook body are forged together, nor the thorn of hook head and the hook, but it ' s not electric welded, either. maybe it ' s heat fusion. i think it may be like the steel inlaid or steel nipped fusion
中部的大刺是和鉤體一體鍛的.鉤頭的刺和鉤不是一體的，但也不是電焊，可能是熱熔合吧.想那工藝可能就像嵌鋼/夾鋼熔合差不多吧The results of the studies show that the size, length, and scope of tunnel lining crack can be identify by infrared thermography images
經實地檢測高雄市西子灣隧道和高雄縣大關山隧道，發現隧道襯砌之孔洞與裂縫部位，其紅外線熱影像溫度差異變化大於沒有孔洞裂縫之襯砌。Raw thermal images acquired by pulsed thermography ( pt ) usually have low signal noise ratio ( snr ) and temperature contrast
摘要脈沖熱像檢測中直接獲取的原始熱像往往信噪比較低、對比度較差。Addressing the large audience, master said that she felt a great deal of love, as well as the purity of the people of nepal - buddha s land, note : buddha was born in lumbini, in southwestern nepal, approximately 2, 500 years ago., and that it was her honor to be in this beautiful country. she expressed surprise at the hot temperatures of kathmandu, explaining that she was once in the himalayas of india and thought that nepal would have a similar climate
面對著廣大的聽眾群，師父說她深深感受到居住在這塊佛陀之鄉的人民所散發出來的愛和純真的氣息注：二千五百年前，釋迦牟尼佛誕生於尼泊爾的藍毗尼，她很榮幸能夠來到這個美麗的國家，不過這里氣溫之高令她驚訝，師父說她曾去過印度的喜馬拉雅山，以為尼泊爾的氣候也和那裡差不多，結果發現這里的氣候就像尼泊爾人的心一樣熱情。If the temperature difference between normal and damaged tunnel lining is more than 3, the thermography image is clear
隧道襯砌之紅外線熱影像溫差大於3區域為有缺陷部位，溫差較低區域則為完好之隧道襯砌。Based on the principles of temperature measurement using infrared thermography and the theory of thermal imaging, a uncooled ir fpa thermometry system is designed. in this system, the mathematic model of infrared thermometry calculation is established, and appropriate formulas for error analysis and calculation are obtained. the algorithm calculating the apparent emissivity of target surface is also put forward
本系統建立了非致冷紅外焦平面熱成像系統測溫計算的數學模型；對計算中可能產生的各種誤差進行了分析和計算；對系統成像的非均勻性進行了分析和校正；提出了精確測量發射率的新演算法；結合熱成像的原理對紅外熱圖像的特徵進行了分析，對紅外熱像進行了新型直方圖均衡和偽彩色增強等處理。Least square method is used to eliminate linearity errors of system as result of asymmetric illumination and fitting. averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on
對由於光照不均以及安裝等存在的系統線性誤差，採用最小二乘法線性擬合加以消除；對由於圖像採集、傳輸、量化過程中產生的熱電子噪聲，利用了鄰域平均和加權中值濾波方法來有效地減小。The simulation system includes the optics, chopper control, driving signal design, image data acquisition based on vi technology and image processing including image difference, non - uniformity correction ( nuc ), image intensification and dynamic display, etc. according to the corresponding theories, the author designed all these software modules. the research on the pyroelectric imaging technology through this experiment is of great importance to practical thermal imaging system in the future
根據熱釋電焦平面成像原理，用sspa器件在可見光條件下設計了基於虛擬儀器技術的熱釋電凝視焦平面成像模擬系統，包括光學系統、斬波控制、驅動信號設計、基於虛擬儀器技術的圖像數據採集和相關的圖像處理技術，如圖像差< wp = 5 >分、非均勻性校正、圖像增強和動態顯示等。In chapter 2, a new ir imaging model for city buildings has been established based on meteorology, heat transfer and infrared physics. we first analysis all kinds of main factors affecting the ir characteristic of city buildings, then by using the methods such as multi - layer finite difference the surface temperatures of building and other surrounding objects are acquired. combining the methods of classified modeling and special modeling we constitute the large - scale complex urban ir scene and render the ir images of urban scene at various time
本文第二章從氣象學、傳熱學和紅外物理學原理出發，分析了影響城市建築物紅外特性的各種主要因素，採用多層有限差分等方法求解建築物及周圍物體的表面溫度，建立了城市建築物紅外成像模型；採用分類建模和特殊建模相結合的方法構建了大規模復雜城市場景的紅外模型，繪制出了不同時刻城市復雜場景紅外成像圖。C. the ambient air at 76. 1 % rh, 12. 2, in the morning. analyzing the infrared thermal images ( condition a ), the results indicated that the thermal difference between citrus and leaves was 1. 8, and the difference between citrus and branches was only 0. 6
通過對由試驗a獲取的紅外熱圖像進行分析，果實與樹葉的平均溫差較大， at = 1 . 8 ；果實與樹枝的平均溫差較小， at = 0 . 6 。It produces crisp high - resolution images 160 x 120 pixels offering more than 19, 000 individual measurement points per image at a refresh rate of 50 60 hz
. 12的溫差。實時的圖像採集每秒50幅圖像確保用戶能觀察到快速瞬時的熱變化事件。分享友人