儀器解析度 的英文怎麼說
中文拼音 [yíqìjiěxīdù]
儀器解析度
英文
instrumental resolution- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 解 : 解動詞(解送) send under guard
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 解析度 : degree of resolution
- 解析 : analysis; resolution; analyzing; resolving解析幾何 [數學] analytic geometry; cartesian geometry; ...
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The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想,對測控系統進行了設計:採用光柵尺、光電編碼器測量可動部件的運動量,解析度高、誤差小;採用細分驅動的步進電機裝置,控制性能好;系統實施環境溫度的檢測、補償,提高了檢測精度;基於兩級微機組建測控系統:主機為人機界面,採用windows編程,從機用dos編程,實時性好;軟體設計採用兼容性和移植性好的模塊式結構,便於二次開發。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。In contrast with the measurement of backscattered ultraviolet solar radiation onboard satellites, ir radiance measurements in 9. 6m spectral channel at various instruments onboard meteorological / environmental satellites allow ozone estimates during both day and night. in this paper, we use ir radiance measurements within 9. 6 im spectral channels from moderate resolution spectral radiometer ( modis ) and advanced tiros operational vertical sounder ( atovs ) to retrieve total column ozone based on the operational retrieval system of national satellite meteorological center. for validating retrieval results, both ground based observation and total ozone mapping spectrometers ( toms ) ozone measurements are used and atovs retrieval results are corrected after the validation
本文利用美國noaa衛星上的先進的大氣垂直探測器業務系統( atovs )儀器和地球觀測系統衛星( eos )上的中解析度成像光譜儀( modis )上的9 . 6 m臭氧探測通道的輻射測值,在國家衛星氣象中心業務反演軟體系統基礎上,反演出了兩種儀器探測的大氣臭氧總量,並且利用中國五個常規臭氧觀測站的資料和美國研製的臭氧總量測繪光譜儀( toms )反演的臭氧資料對兩種反演結果進行驗證分析,對atovs反演結果進行了訂正。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。4. hptimi is a typical virtual instrument
4 .高解析度時間間隔測量儀是一個典型的虛擬儀器。The main contributions of this dissertation include : 1. aiming at the use of the instrument, the application of time - interval measure in detonation experiment is introduced. furthermore, the importance of hptimi in detonation experiment and its foreground are analyzed
本文的主要內容包括: 1 .針對儀器的用途,介紹時間間隔測量在爆轟物理實驗中的應用,說明高解析度時間間隔測量儀在爆轟物理實驗中的重要作用和發展前景。The characters, advantages, domestic and foreign status and developing direction of virtual instrument, are inroduced briefly. and the design process of control software of hptimi in the environment of labwindows / cvi is also presented. the primary data exchang mechanism among the contol units of hptimi and the corresponding program flow charts and their programmimg approaches are expatiated
論文通過簡單分析虛擬儀器的特點及國內外研究現狀和發展方向,詳細闡述在labwindows / cvi環境下,高解析度時間間隔測量儀控制軟體設計過程,說明其主要的數據交互機制,給出相應的程序流程圖和編程方法。Radar altimeter is a kind of very important microwave sensing instrument for observing the earth, and there are a lot of key technologies involved in the high resolution spaceborne radar altimeter ( hrsbralt ). the principle of hrsbralt, the acquisition and track methods, the if simulation, the closed loop internal calibration method, the pulse repeat frequency ( prf ) design, and the ocean - land compatible altimeter design are studied in this dissertation
雷達高度計是一種重要的微波遙感儀器,本文就高解析度星載雷達高度計的工作機理、跟蹤方法、大時帶積在軌閉環內校準以及海陸兼容等內容進行了深入的研究,具體包括以下八個方面的內容: ( 1 )深入研究了星載雷達高度計的工作機理,並對典型雷達高度計系統進行了分析。The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明,對于城市活斷層的抗干擾高解析度淺層地震勘探,在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器,以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法;在數據處理與解釋環節,要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。Because the strain sensor with high sensitivity is used to measure force, this apparatus has high resolution and measure precision
儀器採用高靈敏度應變傳感器測力的微負荷摩擦實驗方法,使微負荷摩擦測試系統具有較高的解析度和測試精度。In order to obtain high resolution of the instrument, the effect of input noise of amplifier must be decreased. hereby, an amplifier circuit based on the chopping theory was developed for it
由於該微摩擦測試儀要求的分辨力很高,而運算放大器本身的輸入噪聲嚴重影響系統的解析度,為此設計完成了基於斬波放大原理的放大電路。It has wide frequency width and high frequency relution. the maximum output frequency can get to 80m and the highest frequency relution can get to 1 u hz, the waveform memory is 64k. it has the important reference value for three classical structures - pc bus card, stand alone, vxi module
該任意波形發生器不僅能產生正弦波,方波,三角波等常用的標準信號,還可根據用戶的需要生成任意波形,具有寬頻帶,高的頻率解析度等特點,其波形最高輸出頻率可達80m ,頻率解析度可達1 hz ,波形最大存儲深度為64k ,對于目前三種典型的任意波形發生器的結構? pc總線插卡式,獨立儀器, vxi模塊都有重要的參考價值。Secondly, according to the basic theory of the general spectrometer, in this paper we discuss the fundamental, the compositions and the characters of tcecs. we analyze the main influencing factors for resolving power, such as the dispersion of the x - ray on the detection circle, spectra location error and the aperture width etc. and we put out the ways to resolving the problems
接下來,本文根據經典光譜儀器的基本理論,著重討論了雙通道橢圓彎晶譜儀的基本原理,及其基本組成和基本特性,並從x射線波長在探測圓上的彌散度、光度參數與探測角之間的關系、狹縫寬度等方面對譜儀的精度和解析度的影響作了一定的分析,並提出了解決問題的辦法。To get the stability of shallow structure foundation and adjacent seabed in cheng dao shallow sea area, we have made an investigation on high resolution echo depth side sonar and shallow strata section etc. and made use of experiment analysis of core, in situ, indoor to compute, analyze and assess the stability on new computing method
為了得到埕島海域淺水區構築物地基及周邊底床穩定性,本文通過高解析度的回聲測深、旁側聲納及淺地層剖面等聲學儀器勘查,並結合鉆孔、現場和室內的實驗分析,採用新的計算方法,對埕島海域淺水區人工構築物地基及周邊底床穩定性進行了計算、分析和評價。The space optical remote sensor are subject to complicated space thermal loads, the calculation of the thermal response are performed in this paper by the method of fem and some thermal control method are taken, so the temperature ' s distribution of the sensor are well improved
摘要空間光學遙感器的工作平臺為空間微小衛星,它在軌運行期間受到各種空間熱環境激擾的作用,本文利用有限元法對空間光學遙感器進行了空間熱環境下溫度響應的分析求解,並進一步採取熱控措施使儀器的溫度梯度滿足要求。4. a 8 - cascaded wavelength - division - multiplexed fiber bragg grating sensor system was interrogated by changing voltage acting on a employed tunable fabry - perot filter, and a feedback loop was introduced to make filter track the shifted wavelength of the sensor. at the same time an unbalanced scanning michelson interferometer was introduced to demodulate sensor signal
同時為克服查詢某一光柵時,應變引起波長漂移導致反射波長偏離f - p透過波長,利用一反饋控制裝置,使得濾波器的透過波長自動追蹤查詢光柵的布一拉格波長,利用非平衡掃描michelson干涉儀對傳感信號進行了高解析度的解調。Spm ( scanning probe microscope ) is an international surface analytic instrument rising up in recent years, and the distinguishability can reach nanometer level even atom level but this instrument is so exact and expensive, and it is very difficult for most beginners
掃描探針顯微鏡( scanningprobemicroscope , spm )是國際上近年發展起來的表面分析儀器,它們的解析度可達到納米級甚至是原子級。The endoscopy is playing a more and more important role among the medical diagnostic instruments after developing over one hundred years. its characteristics of high resolution and electronic imaging make the electronic endoscope irreplaceable in the clinical application
內窺鏡經過100多年的發展,已在診斷類醫療儀器中佔有重要的一席之地,特別是具有高解析度、電子成像等特點的電子內窺鏡的出現及臨床應用。The main chip of the usb interface circuit is a cypress semiconductor ' s product, cy7c64613, which has intergrated usb sie ( serial interface engine ) and enhanced 8051. the oscilloscope module is realized according to the real time sampling principle. it has two signal chunnels and a dual 8 - bit dual a / d converter whose most sampling rate is 40msps, so two signal acquisition can occurs in the same time
隨后介紹虛擬儀器測試平臺中各硬體模塊設計實現: usb介面的主晶元是cypress公司的cy7c64613 ,此晶元集成了usbsie和8051核;示波器模塊根據實時取樣原理實現,採用雙8位a / d轉換器,提供兩條信號通道,可以同時採集雙路信號,最高的采樣率為40mhz ;信號源模塊採用直接數字合成( dds )原理實現,它所能產生的信號頻率為10hz 5mhz ,最小頻率解析度為9 . 537hz 。Near the optical counterpart of the double nucleus, chandra found two sources which were just resolved. since the positional uncertainty is comparable to the separation between the two sources, astronomers are not sure the true x - ray position of the nucleus, the central supermassive black hole
不過,由於兩個x射線源之間的距離已達儀器解析度的極限,所以科學家對其核心附近的x射線源即其中心可能存在的大質量黑洞的正確位置仍有很大的疑問。分享友人