scanning frequency 中文意思是什麼
scanning frequency
解釋
掃描頻率-
After thoroughly studying the mem process, the frequency range of inertia force, which is caused by the scanning movement of extrusion head, has been found
本文在深入分析mem工藝過程之後，找出噴頭掃描運動產生的慣性力的頻率范圍。 -
Employing the interlaced scanning, current tv system can compress the frequency band of tv signal effectively and facilitate transmission. but this method reduces the scanning lines of pictures and the frequency of the field. it leads the pictures displayed on tv to have such disadvantages as large area flicker, edge flicker, interlace flicker, raster visibility and creeping line etc. to satisfy people " s vision feeling better, the big - screen, multi - function and high quality tv - set have been made great progress
現行的廣播電視系統由於採用隔行掃描方式，從而有效地壓縮了電視信號的頻帶，有利於傳輸；但由於這種方式使得圖像的掃描行數少，場頻低，導致了重顯的電視圖像有大面積閃爍、邊緣閃爍、行間閃爍、行結構可見及行爬行等。 -
The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0, 5 mhzto 15 mhz
用0 . 5mhz 15mhz頻率的水平掃描技術對水下擴音器進行的絕對校準 -
To receive energy transmitted in a steered beam by any of the three scanning methods, the applied frequency, time, or phase relationships are maintained at each element, which has the effect of making the radar sensitive to energy from the direction of transmission
仍然以每個單元接收通過三種掃描方法? ?頻率，時間，相位關系控制波束發射的能量，這使雷達對發射方向的能量敏感。 -
In this paper, fluorocarbon films are deposited on polyetylene terephalate ( pet ) substrate by radio frequency magnetron sputtering polytetrefluoroethylene ( ptfe ) targets to examine the effect of discharge condition on the properties and mechanism of deposited films. the effect of the power, pressure and treating time on morphology is observed by means of scanning electron microscopy ( sem ) and atom force microscopy ( afm ). it is found that the fluorocarbon film particles distribute more uniform and join tightly with increasing power, the surfaces of films become closer and denser as pressure increases
利用掃描電鏡（ sem ）和原子力顯微鏡（ afm ）研究了成膜機理以及cf膜的表面形貌，觀察了不同功率、壓力和時間下對氟碳膜表面形貌的影響，系統研究了氟碳膜表面結構隨功率和壓力的變化規律，發現功率提高使得氟碳膜顆粒分佈均勻，結合更加緊密，而提高壓力，氟碳膜的顆粒更加密集，並且濺射條件不同，粒子的形態、粒子間構成的介觀結構也不相同。 -
Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上，利用fourier光學成像理論，討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響，導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數，得到了它們在不同激發波長與熒光波長比值時具體的表達式，並且通過數值計算，得到了它們的曲線圖，結果表明：隨著激發波長與熒光波長比值的增加，焦斑的橫向分佈和縱向分佈變窄，橫向解析度和縱向解析度提高，系統的成像效果變好，當激發波長與熒光波長的比值下降到一定程度時，可以看到不同程度的失錐現象。 -
This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc
本文根據系統溫度靈敏度、角解析度、成像時間等參數要求，對系統天線類型、直徑，接收機類型、積分時間、射頻增益、視頻放大器增益，定標方式，數據採集卡的采樣頻率、編程及驅動裝置的掃描速度、掃描類型等進行了詳細的分析設計。 -
The pixel size of p + / n - well / p - sub structure is 100 umx 100 n m, fill factor is 77. 6 %. it can obtain target information with illuminance intensity in the range of 0. 011x ~ 98, 0001x, and the sensor photoelectric sensitivity is 35v / lx ? s. when the method of changeable reset frequency double scanning is used, the photoelectric dynamic range can be 139. 8db, which is high in the 0. 6 um level cmos image sensors already reported
在對感光單元進行器件物理結構優化的研究中，通過採用深結深光電管結構，提高了傳感器的感光響應，其中p m階」襯底結構的傳感器面積為100umx100urn ，感光面積百分比為77石，可對0刀98 ， 000lx照度的目標信號進行傳感，感光靈敏度大於3sv ix ? s ，採用了變頻兩次掃描后，動態范圍可達139 -
Various solutions such as raising response speed of lcd pixels, raising frame frequency, back light blinking, back light scanning, black field insertion and image processing were reviewed
討論了提高液晶像素的響應速度、提高幀頻、背光源閃爍、背光源掃描、插入黑場和採用圖像處理技術等多種解決方法，並對各種方法進行了分析和評論。 -
The theoretical background of the test signal method is the theory of mechanical admittance and mode identification, which is based on the frequency scanning of the test signal and has already been used widely in mechanical engineering
提出了一種基於測試信號的小擾動穩定性分析方法?測試信號法，用於分析電力系統低頻振蕩問題。其理論基礎是機械導納理論和模態辨識理論。 -
In magneto - optic ( mo ) waveguids, the interaction between msws and guided optical waves ( gows ) can lead to the bragg diffraction of the gows. the resulting many new devices, such as mo modulator, optical switching, scanning, frequency spectrum analyzers, can be developed with applications to optical communication and optical information processing
在磁光波導中，靜磁波與導波光相互作用可導致導波光的bragg衍射，利用這一原理，可做成磁光調制器、光開關、掃描儀、頻譜分析儀等新型磁光bragg器件，並在光通信和光信息處理等領域有著十分廣闊的應用前景，引起人們越來越多的關注。 -
Applying rfid ( radio frequency identification ) tag in object network, compare to conventional bar code, and the rfid tag has several advantages. such as faster scanning, repeatedly using, un - obstacle reading, huge memory capability, security
將rfid （ radiofrequencyidentification ）標簽應用在物聯網中，與傳統條碼相比，它有快速掃描，重復使用，無障礙閱讀，記憶的數據容量大，安全等優點。 -
Scanning frequency has reached over 240hz which makes the menu stable and no flicker. in using actually, we use vidicon shoot the display screen. and then we can observe the photo is very clear from the vidicon
2掃描場頻達到了240hz以上，畫面穩定無閃爍，在實際應用中，用攝像機拍攝顯示屏，攝像機中觀測到的圖象十分清晰，沒有同步滾動條，若現場有電視轉播，顯示屏不會影響轉播畫面的質量。 -
The effects of respiratory movement frequency and scanning time on the image results in the treatment of lung cancer by stereotactic radiotherapy
立體定向放射治療肺癌中呼吸運動頻率與圖像掃描時間對靶體積定位成像結果的影響 -
It demonstrates the general project of vehicles mutual moving - state detection and control system, which use a frequency modulated continuous wave ( fmcw ) radar with the antenna replaced by a frequency scanning array as the basis of detecting sensor
文中闡述了汽車相互運動狀態監控系統的總體方案，使用調頻連續波（ fmcw ）雷達作為探測傳感器的基礎，並在天線部分作了改進，採用了獨立的頻率掃描天線。 -
Dynamic frequency scanning
動態頻率掃描 -
The bzt thin film has good properties in high frequency. the essential principle, technology process and advantages of the ba ( zr0. 3ti0. 7 ) o3 ( bzt ) ferroelectric thin films grown on pt / ti / sio2 / si substrates and quartz substrates by sol - gel process are introduced. the heat - treatment technology was fixed according to the dsc - tg measurement, afm ( atomic force microscope ) and fe - sem ( field emission - scanning electrical microscope )
我們通過在pt / ti / sio2 / si襯底和石英襯底上制備ba （ zr0 . 3ti0 . 7 ） o3鐵電薄膜，了解了溶膠-凝膠法（ sol - gel ）制備薄膜的基本原理、工藝過程及工藝特點;並對所制得的ba （ zr0 . 3ti0 . 7 ） o3薄膜的前驅體溶液和干凝膠進行了差熱與熱失重（ dsc - tg ）分析，確定了溶膠在熱處理各個階段的反應情況。 -
The sl401 circulating water refrigeration unit is mostly used as a supporting product for precision instrument facilities with the need of isothermal cooling water, for example, the x - ray diffractometer, fluorescence spectrometer, scanning microscope, laser, energy spectrometer, vacuum forming machine, high - frequency generator, mocvd, etc
Sl401型循環水製冷機組主要為x射線衍射儀、熒光光譜儀、掃描顯微鏡、激光器、能譜、真空成型機、高頻機、 mocvd等需用恆溫冷卻水源的精密儀器設備的配套產品。 -
In recent years, radio technology has developed very quickly in our country. however, a radio monitoring receiver with broad frequency scale ( 20 - 3000 mhz ), high scanning rate ( above 1ghz / s ) and whole spectrum real - time display has not developed. some imported monitoring receivers with broad frequency scale can only scan slowly and could n ' t meet actual needs. not only these imported receivers " price is high but also those developed countries usually limit the quantities of imported receivers and related technology is not open
近年來我國無線電技術水平已經有了很大發展和進步，但對于頻率覆蓋范圍寬（ 20 - 3000mhz ） 、掃描速度快（ 1ghz / s以上）並具備快速全頻段實時頻譜顯示和記錄的無線電監測接收設備，目前我國尚不能生產，國內現在已經進口的寬頻段監測接收機一般也只能進行低速掃描，無法滿足實際的需要。 -
The serpentine feed is the core of a frequency scanning antenna feed system, which produce proper amplitude and phase distribution for the antenna arrays. most of all, it make the beam scanning over a large angle range by means of changing operating frequency
它為天線陣提供要求的幅度、相位分佈，更為重要的是當頻率發生少許變化時使線源的等相位面產生顯著的傾斜，完成波束在空間掃描。
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