矢儀 的英文怎麼說
中文拼音 [shǐyí]
矢儀
英文
yagi-
Fluxgate magnetometer is a kind of vector magnetometer which has the ability of measuring the components of magnetic field directly. the fluxgate instrument is variometer based on magnetization non - linearity of " soft " magnetic material
磁通門磁力儀是直接測量地磁場分量的矢量磁力儀,是一種基於「軟」磁材料磁化特性的非線性的地磁相對記錄儀器。The quartenvave film stack based on one dimensional photonic crystal technology is designed. the measurement of the ir band is relatively mutual while that of mmw band is lack of report. the reflectivity of ir area ( 3 - 5 m ) by fourier transform infrared spectrometer ( ft - ir ) is given, and the experimental data of mmw band in microwave network analysis is also given
本文給出了直接在傅立葉紅外光譜儀中進行的紅外波段透射率(實際是反射率)測量結果,在毫米波波段,通過自行設計的測試方法與測試系統,給出了在hp8510矢量網路分析儀下測得的未鍍膜、鍍膜樣品的比對測試結果。Familiar with the application of equipment like spectrum, vna, etc
熟悉電子通信領域常用儀器(頻譜儀,矢量網路分析儀) 。The time - domain measure technique of vector network analyzers base on inverse chirp - z transform
逆變換矢量網路分析儀時域測量技術Byj : in the old days, people thanked god for having rain which was necessary for agriculture, and to offer first bite of food to god is called “ gosireh ”
在過去古老年代,人們為感謝神帶來農作物必要的雨,將第一口食物奉獻給神的儀式,就叫做高矢禮。This text attempts to regard silica as shell materials, regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new - type absorbent. the structur of the core - shell particles were characterized by ftir, tem, sem, xps, xrd etc. the properties of magnetism, heat, crystalization, ectromagnetic were characterized by vsm, tg - dta, network vectorial analysis instrument
本文以二氧化硅為殼層材料,以納米鐵以及羰基鐵粒子為核層材料,制備一種新型的吸收劑粒子。用ftir , tem , sem , xps , xrd表徵了復合粒子的結構,利用vsm , tg - dta ,網路矢量分析儀等分析了材料結構改變對材料磁性能,熱性能,結晶性能,電磁參數等性能進行了分析。Introduce the traditional two samples rotation vector algorithm and three samples rotation vector algorithm, which fit the incremental angular condition. but, the output of fiber optic gyro is angular rate of the vehicle, the error would increase serious if use traditional algorithm
由於光纖陀螺儀輸出為角速率信號,而傳統的旋轉矢量演算法輸出為角增量信號,採用角增量提取演算法,旋轉矢量精度會大幅大降。The paper has made detailed observation by the existing apparatus and the field observation stations. based on the image and the vector database of the yutian oasis, the study has obtained the precise coordinates of investigation points by gps technique, and overlapped them with the images. after classifying the images with the maximum likelihood supervised classification method, we import the result into cis software, and analyze the yutian oasis changes about land cover " s quantity, quality and spatial position from 1976 to 2001
本文利用現有儀器設備和野外觀測網站進行詳細觀測,在建立於田綠洲圖像庫和矢量數據庫的基礎上,運用gps技術取得野外考察樣點的精確坐標並與研究區各時期影像疊加,對影像進行了最大似然法監督分類,並將分類結果轉入gis軟體處理,全面分析了1976年至2001年該綠洲的土地覆蓋類型數量、質量與空間上的變化。The multi - port measurement system has the widespread use in microwave measurement, the measurement of multi - port device with two - port vector network analyzer ( vna ) is researched. this paper analyzes the commonly used error models and calibration methods of vna, program a trl calibration procedure for two - port vna, and compare the tested data with the data from vna. the comparison show that the programmed trl calibration procedure is in the same accuracy as the vna
本文討論了兩埠矢量網路分析儀常用的誤差模型和校準方法,編制了兩埠矢量網路分析儀基於trl校準法的校準程序,並把校準后的測量結果和矢量網路分析儀校準后的測量數據做了比較,比較結果說明編制的trl校準程序校準效果和矢量網路分析儀校準的效果相同。Forecast of error coefficients based on the matrix splitting algorithm of least squares support vector machine for gyroscope
基於最小二乘支撐矢量機矩陣分割演算法的陀螺儀誤差系數預測Analysis th to mechanism ellipse polarized light that in the specimen faced happen at the same time reflection refraction and multiplicity light beam interference, proves the principle that laser instrument of measure thickness of specimen with jones vector
摘要對橢圓偏振光在樣品表面產生的反射、折射和多光束干涉的機制進行了分析,並用瓊斯矢量論證了激光測厚儀的原理。Model dcw light - spot vectormeter, designed to from a complete set with a dynamic balabcing tester, is served as a display meter for phases and ampiltudes of dynamic unbalancing quantites. the meter is composed of two sets of measuring mechanisms in moving coil system, and is also put to use lightspot indication as well as polar scale
Dcw型光點矢量表是供動平衡試驗機配套作為動態不平衡量的相位和幅值的顯示儀表,它是由2組磁電系測量機構組成並採用光點指示及極坐標標度。The oil field, named daqing, spent much money on software and computer equipment - - - - sun workstations. then they spent a few years, finished only little part of the work. the main aim was at vectorizing the well log curves applying foreign software
目前通常採用數字化儀或國外矢量化軟體來完成這一工作,但是速度較慢,效率較低,例如,大慶油田曾經為了矢量化部分圖紙,購買了矢量化軟體,並購進大量sun工作站,花了幾年時間才只是處理了一部分。The measurement system can automatically control the movement of servo motor and communicate with vna through gpib bus to setup the measurement variable automatically, measure the phase of s parameter. it also can progress the measurement data on the background, display the results by graph data, store them in the data files
系統自動控制伺服電機的運行,對測試探頭完成指定的移動定位;通過gpib總線與矢量網路分析儀器通信,自動完成相關測量參數的設置以及s參數的相位測量;對測得的數據進行后臺處理,將結果以圖形、數據文件的方式顯示、保存。To get the genuine seafloor rock medium electrical model, data processing about seafloor magnetolluric raw signal requires information such as seafloor instrument bearing orientation, obliquity, and temperature, by which the real vector change bearing of seafloor magnetolluric fields can be acquired, and then the uniform explanation about the whole survey of multi station is obtained
為真實地獲取海底巖石介質的電性模型,在對海底大地電磁實測信號進行數據處理的同時,需參考海底儀器的方位朝向、傾斜姿態等信息,以便認識海底電磁場真實的矢量變化方向,進而實現對整個測網多站位的統一資料解釋。Users can set the test instructions or test vectors by the tester software
用戶通過pc端的測試軟體,將測試指令和測試矢量發送給測試儀。Then the tester applies the test instructions or test vectors to the circuit under test ( cut )
測試儀將測試指令和測試矢量作用於待測電路,然後讀出其測試響應。The measure system is based on virtual instrument technology. its hardware includes measurement flat, servo motor, vector network analyzer ( vna ) etc. and its software is programmed by labview
測量系統採用虛擬儀器的設計思想,由測量平臺、伺服電機、矢量網路分析儀、計算機等硬體組成,用labview完成了系統軟體設計。The paper conducts a thorough research of the method and principles in vna measurement, and performs detailed requirement analysis of system software relying on the hardware architecture. based on the requirement analysis, a detailed layered design is put forward, which partitioned the system software as three parts : user interface, data processing, hardware interface along with pci communication
論文首先詳細研究了矢量網路分析儀的測量方法和測量原理,然後基於硬體構架對系統軟體進行了詳細的需求分析,在需求分析的基礎上進行了總體結構設計以及詳細的分層設計,把系統軟體的組成劃分為用戶控制界面、數據處理、硬體介面與pci通信三個部分。We also discuss the design of cavity that is used in experiment 、 means for how to stir electromagnetic wave and choice of diameter / length ratio for cavity. final, we have made an experiment to cigarette with apparatus made up of vector network analyzer ( vna ) and cavity that is designed by ourselves, regressed the equation with matlab software, analyzed measurement errors, put forward some means that reduce measuring error
最後,使用自己設計的諧振腔和矢量網路分析儀搭成的實驗裝置對卷煙進行了密度測量實驗研究,並用matlab軟體對測量數據進行了回歸擬合,建立了密度測量的方程,並對測量誤差作了分析,提出了進一步減小誤差的途徑。分享友人