視場角 的英文怎麼說
中文拼音 [shìchǎngjiǎo]
視場角
英文
angle of coverage-
They establish gradually the status of market subject in the course of joining international division of labor and competition with other countries for world market subject. for export performance of enterprise, evaluation only by the earn foreign exchange through exports is contretemps, which need to review by the angle of modern enterprise. so, how to evaluate export performance and establish export performance evaluation system become important
傳統外貿企業的發展，也從改革開放前的壟斷經營到目前與外資企業、民營企業三分天下的格局，各自都逐漸確立了其在參與國際分工和國際貿易競爭中的微觀主體地位。對企業的出口績效，以前那種單純的以出口創匯為指標來評價的方法顯然已經不合時宜，需要從現代企業市場主體的角度來重新加以審視。So, the paper uses porter ’ s “ five power ” model to find the feasibility of differential marketing strategy from supplier, customer, culturist and competitor, finding that feed industry has a good future, the demand of culturist appears new characteristics and other competitor can not find their position, upwards suppling the chance and the market guide for corporation adjusting his marketing strategy
基於上述問題，本文引用波特「五力競爭」模型，從行業視角觀測供應商、經銷商、養殖戶和競爭對手，尋找公司制定差異化營銷策略的必要性和可行性。分析發現飼料工業具有良好發展前景、養殖戶需求出現新的特徵、競爭對手存在定位不準等情況，這為公司調整營銷策略提供了市場向導和機會。The tv goniometer is the ground control equipment of a model of anti - tank missile. it uses two ccd cameras and the signal extraction method of background counteract, which can make the guiding process of anti - tank missile wo n ' t interfered by sunlight, firelight of battle field, light, flame tracer etc. it can greatly improve the anti - interfering ability of the anti - tank missile system
該電視測角儀是某型反坦克導彈武器系統的地面控制設備，它採用兩個ccd攝像機和背景抵消的信號提取方法，可使反坦克導彈的制導過程不受太陽的反光、戰場的火光、燈光、曳光彈等干擾。The technology is remote distance and no osculant measurement, and the measure instrument can be real time control by pc. the system adopts an optical system equipped pritchard hole reflector. it can provide efficiently optical channel, and it can aim at the distant object and measure brightness and color precise
本系統採用了裝備有帶孔反射鏡的望遠光學系統，能夠對遠處的測試目標進行亮度與顏色的精確瞄準測量，同時可方便的改變視場角的大小。It will produce very big angular velocity, angular acceleration and angular jerk when tracking fast moving targets. this may lead bigger tracking error and fail to track targets
目標速度的提高將會產生大的角速度、角加速度乃至更大的角加加速度，導致光電經緯儀電視跟蹤動態誤差急劇增大，目標逸出視場，跟蹤失敗。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角（接近180 ） ，但同時也引入嚴重的圖像變形，常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上，通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形，建立了魚眼鏡頭成像的精確成像模型，然後，利用非線性迭代演算法，精確求解攝像機外部參數、內部參數.實驗表明，使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求This microscope is provided with achromatic objectives, wide field eyepieces, abbe condenser, adjustable built ? in light source, and coaxial coarse and fine adjustment with focus stop. this microscope with his wide field eyepiece gives a nice and sharp image and is designed in a very modem way, it is designed for clinical experiments and classroom demonstration in medical and hygienic establishments, chemical laboratory, agricultural scientific research nets, research institutes and colleges as well as for the routine examination and research purpose in bioloy, bacteriology, cytology and pharmaceutical chemistry
本顯微鏡採用消色差物鏡、廣角目鏡、阿貝聚光鏡，連續可調的人工光源及帶有限位置的同軸粗微動機構，視場廣闊、成象清晰、設計先進，可供醫療衛生機構、化學試驗室、農業科研系統、研究所及高等院校臨床試驗和教學示範，以及在生物學、細菌學、細胞學和藥物化學等領域作常規檢查和研究。The top image, a wide field x - ray view, reveals spectacular loops of hot gas spreading out from the southern part of the antenna into intergalactic space
上圖是寬視場x射線照片，其中顯現的是壯觀的熱氣體環，從觸角星系的南側向外延伸至星系際空間。Since we defined the frustum, we know the angle at which the sides of the frustum meet - this is the field of view we used to create the projection matrix in the first place
確定好錐截體，我們就知道錐截體頂角的大小?這是我們在第一個地方用來創建投影矩陣的視場。Angle of photographic coverage
攝影視場角To protect both the market and the economic benefit, it ' s greatly necessary to hold ourselves " dtv standard, and it ' s especially important that we could design and produce the critical ic chips for our standard when our standard issued
無論從市場角度的保護還是從產業經濟利益的保護來看，加速制定我國自己的國家數字電視標準是非常必要的，在標準推出的同時能夠配套設計和生產出自己的核心晶元又尤其重要。Liquid crystal tunable filters as an important device of wavelength division multiplexing and dense wavelength division multiplexing systems is caused attention by research department, especially many foreign research institute are studying it. but in our country its study is lag. and normal incidence of the crystal is almost the case, because the liquid crystal box is very thin, the field angle may be large and the pose of liquid crystal box may have impact on the measuring result. so, study in such subject, especially the liquid crystal box ' s position angle, is academic and valuable
各種改進液晶電光可調諧濾光片的措施的實現，使得液晶調諧濾光片成為一種很有應用前景的電光調諧濾光片，特別是用於光纖通信中的波分復用系統和密集波分復用系統，將使光纖的傳輸客量大大增加目前國外在這方面的研究進展很快，而國內在這方面的研究比較薄弱，而且通常採用光線正人射晶體進行研究，由於液晶盒很薄，視場角可以很大，液晶盒的擺放對測量結果影響很大，因此對該器件進行深入的研究，討論液晶盒的方位角影響是很有必要的。Portable long - range infrared surveillance system thermovision 2000 is a state - of - the - art long - range platform mounted thermal imaging system, offering unmatched performance with its long - wave gen - iii qwip sensor and internal three field of view optical system
Thermovision 2000是尖端科技的長距離安裝有紅外熱像系統的監視平臺，提供無與倫比的第三代長波qwip quantum well infrared photondetector量子阱紅外光電探測器的性能和內置三種不同光學視場角25Field of view min switch time
不同視場角轉換時間Firstly, the work principle of staring laser detection optical system is introduced, and the relation between optical antenna ’ s amount and fov in laser warning system of optical antenna array is deduced
首先闡述了凝視型激光輻射探測光學系統的工作原理，推導了光學天線陣列激光告警系統中光學窗口數與光學單元視場角應滿足的關系。Angle of view of telescope
望遠鏡視場角Aggression weapons. three fields of view ensure mission flexibility and effectiveness
三種不同的視場角確保用戶能夠高效方便的執行任務。From 100 meters to 2 meters, the restriction of angle of view is considered. during different phase, using different focus of image sensors to keep the image of feature points in the field of view ( fov ). and then analyze the three kinds of random noise affecting ccd imaging quality
在目標器上配置多特徵點的條件下，建立了運動參數的測量模型，並對此模型進行了誤差分析，得到影響測量精度的誤差因素；同時，為保證目標器的特徵點在整個交會對接過程中不溢出視場，提出了在100m 2m的交會對接過程中對ccd視場角的約束條件。Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing
該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點，發現在一定傾斜角度的觀測下，視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率，所以稱該方法為最佳組分面積比法，用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度，經過地面和遙感數據驗證表明，用該方法計算的通量精度高於普通的單層模型。By computer simulation and calculation, the relation between the reflectivity and the structure parameters of such gratings are presented. these results show that a glass grating can achieve antireflection over almost the whole visible light waveband for unpolarized light, while a silicon grating with a columned grid substrate also can achieve low reflectance over as a broad field of view as a tapered silicon grating structure can, but it can be fabricated more simply
理論分析發現硅基底的圓柱形網格光柵能夠在比較大的視場獲得比較低的反射率，具有特定參數結構的低反射率硅基底圓柱形網格光柵可以獲得與專為大視場設計的金字塔形網格光柵相同的視場角，但它的製作更容易，更簡單。分享友人