視線穩定 的英文怎麼說

中文拼音 [shìxiànwěndìng]
視線穩定 英文
line-of-sight stabilization
  • 視 : Ⅰ動詞1. （看） look at 2. （看待） regard; look upon 3. （考察） inspect; watch Ⅱ名詞（姓氏） a surname
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : 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...
  • 視線 : sight line; line of sight; optical line of sight; sight
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。
  2. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發，詳細論述了計算機視頻信息電磁泄漏的原理及特點，指出視頻泄漏信息的頻譜是以行頻為周期的譜線；分析了重加濾波器和梳狀濾波器的性能；分析了視頻泄漏信息截獲的條件；推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級；論述了清晰再現對接收機和數據採集卡的技術要求。
  3. Evaluation and routine testing in medical imaging departments - part 2 - 9 : constancy tests - equipment for indirect radioscopy and indirect radiography

    醫用成像部門的評價及例行試驗第2 - 9部分:穩定性試驗間接透視和間接攝影x射線設備
  4. Next, to gain accurate los rate is the key for hit - to - kill since true proportional navigation ( tpn ) is convergent if the initial state between ekv and target is inside the capture region

    其次，由於真比例導引本身是穩定的，所以獲取一定測量精度的視線角速率是實現成功攔截的關鍵。
  5. The motion carriers such as the automobile, trains, war vessels, the plane and so on, are in flux by their position and azimuth, if want kepting satellitic message and taking over satellitic signal, must adopt the platform system of tenaclous tracking satellite antenna

    汽車、火車、艦船、飛機等運動載體的位置和姿態不斷的在變化，要保持與衛星的通訊聯系和接收衛星視頻等信號，就必須採用衛星天線穩定跟蹤平臺系統。
  6. Therefore, for monitoring and control of voltage stability, it is still challengeable and of great significance to implement profound research on the mechanism so as to construct an on - line index of voltage stability

    因此繼續對電壓穩定機理進行探討研究，建立適當可在線實現的電壓穩定指標對電壓進行監視和控制，仍是一項挑戰性的工作，具有很重要的意義。
  7. Though wide - band has been used widely, it ' s not wide enough to watch high - quality real - time video. futhermore, wiless communicaton has become a hot technology, it has limited band and unstable communication channel which result in high percentage of errorness in this situation, if people want to watch realtime video, it has high demand that video producer compress the video as small as possible when quality is good enough and receiver have ability of error resilience

    另外，無線通信已經成為當前it領域的一個大熱點，對無線通信來說，帶寬就更加有限，並且傳輸線路不穩定，錯誤率高，在這種情況下，如果想通過無線網路在線觀看視頻，必然需要視頻發送端在保證質量的情況下對視頻進行盡可能的壓縮，同時提供強大的糾錯和抗錯能力。
  8. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  9. Through the reaserch of the paper, a satellite transmission and television signal incepting system using stabilization platform which is used on the moving carrier ( vehicle, boat, ship etc ) has been designed. it uses an embedded system which is based on arm7tdmi core microcontroller and c / os - ii real - time operating system to control and scout the movement of the antenna stabilization platform, can realize the real - timable and reasonable stance control of the antenna, and then can realize the real - time communications and the signal receiving between the satellite and the moving carrier

    3 .通過論文的研究，開發出了一種用於移動載體（車、船、艦等）上利用穩定平臺來進行衛星通信與電視信號接收的系統? ? 「動中通」移動載體衛星通信與電視接收系統。該系統採用基於arm7tdmi核微控制器和c / os - ii實時操作系統的嵌入式系統來控制天線穩定平臺的運動，可以實現對天線實時而合理的姿態控制，從而實現移動載體與衛星之間的實時通信和信號接收。
  10. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。
  11. And so on, the mathematical model and transfer function of the tracking system are built, and the feasibility of the tracking control system design is demonstrated. furthermore, the static error of the system with a unit incline input is deduced. a majority of model of unit is based on analytics, so the general model can apply to other optical intersatellite communications systems

    在此基礎上，將atp跟蹤控制子系統視為線性定常系統，通過解析法和實驗法對子系統的各個控制環節的單元器件進行合理建模，得出整個環路總的開環及閉環傳遞函數，論證了本課題所設計的atp跟蹤控制環路的可行性及其視軸輸入為斜坡信號時的理論穩態誤差。
  12. Besides, chevalier takes the quality of product as the life of the enterprise, to produce excellent lamps with stable color, good brightness and sturdy electroplating, which are well received by vast consumers and become the first choice in decoration lamp selection for household lighting and other lightings

    此外，本公司一直貫視產品質量為企業的生命線，所出口的優質燈具色澤穩定、光潔度好、電渡層堅實飽滿，深受廣大用戶的喜愛，成為各類場所及家居照明的首選裝飾燈具。
  13. This paper paid great concern to these problems and tried to solve them in various ways. recently, along with domestic economy persistent stabilize develop, domestic coastal container transportation have rising very much. the speed of the quantity of container transportation growing is more than the quantity of foreign trade container. all the most the shipping company add ship to operate the domestic coastal container liner, most big ports have begin to pay attention to the development, use large cost establish appropriative wharf assemble and unassembled

    近幾年來，隨著國內經濟的持續穩定發展，我國沿海內貿集裝箱運輸出現了喜人的發展勢頭，集裝箱運量增長幅度遠遠超過同期外貿集裝箱箱量的增長速度，各航運企業紛紛投入運力開辟沿海內貿集裝箱的運輸航線，沿海各大港口也開始重視內貿集裝箱的發展，積極投入資金建設內貿集裝箱專用碼頭和裝卸設備，國內貨主對沿海內貿集裝箱的認識也逐漸加深，陸運轉為海運的適箱貨貨量越來越大。
  14. The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control

    經過分析研究，針對原來存在的問題，在控制方案上主要的改進措施有：充分、有效地利用了空壓機的內部參數數據，對空壓機的內部部件的運行情況實現了在線監視及故障報警；對空壓機採用了主、輔結合的運行方式，通過對空壓機加、卸載隊列的合理排序，使空壓機自動實現主機產氣、輔機進行氣壓調節，減少了空壓機的加載和卸載次數；在壓縮空氣壓力的穩定上進行了裕量控制，在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作；在節約電能方面對空壓機進行了卸載停機控制，當空壓機在一定時間內一直處于卸載狀態，系統就認為該空壓機沒有運行的必要，自動將其停機；完善了控制效果，增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。
  15. Based on the experience, this thesis adopts pll to realize wireless video transmission, which can stabilize the center frequency, reduce the frequency offset and enhance the stabilization of system

    在總結經驗的基礎上，本文採用了鎖相環調頻來實現無線視頻傳輸的方法，以穩定中心頻率，減少頻偏，增加系統的穩定性。
  16. To compare with transistor ( complete solid - state ) high - frequency linear power amplifier, there are some disadvantages : bad stability and reliability, low efficiency, high cost for operating, huge cabinet, heavy maintenance work load, low security for high - voltage electricity offering, and to ensure the continuance of tv program, the transmitter must be operating with main frame and spare frame

    它們與晶體管（全固態）高頻線性功率放大器相比，存在著穩定性及可靠性差、效率低、運行費用高、發射機體積大、日常維護工作量大、高壓供電不安全、必須採用主機和備機的運行方式來確保電視節目不停播等缺點。
  17. The inverted pendulum is a kind of typically nonlinear, multi - variable, unstable, strong - coupling and fast system. control circle have paid more attention to its research for many years because it is influenced by nonlinear factors and difficult to control

    倒立擺系統是一種典型的非線性、多變量、不穩定、強耦合的快速系統，由於它受多種非線性因素的影響，實現其控制較為困難，因此多年來對它的研究受到控制學界的普遍重視。
  18. Ird is front - end equipment for receiving cable dtv programs. the soundness of its function and the stability of its performance are of great importance for the dvb programs

    Ird作為有線數字電視的前端接收設備，其功能的健全性和性能的穩定性對于數字廣播節目的傳輸意義重大。
  19. In this paper, brief summary and contrast for the analytical methods of arch dam were conducted, the visualization and parameterization of fem, and its implementation were investigated, and the system based on ansys, for the simulation fem analysis of arch dam was developed. and 3 - d nonlinear fem simulation analysis was then carried out for niutoushan arch dam, which is located in shouning county, fujian province of china

    本文對拱壩的分析方法做了總結對比，研究了有限元分析中的可視化、參數化方法及它們實施技術，開發了基於ansys平臺的拱壩有限元模擬分析系統，並結合實際工程對福建省壽寧縣境內牛頭山水電站雙曲拱壩進行了三維非線性有限元整體穩定模擬分析。
  20. The sensitivity of stability margin can be used in the location selection of transient stability control devices, stability margin constraint of security based economic dispatch and online stability monitoring

    暫態穩定裕度靈敏度能用於暫穩控制裝置地點選擇、安全校正再調度中系統穩定裕度約束與在線穩定監視。
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