晶體檢波 的英文怎麼說

中文拼音 [jīngjiǎn]
晶體檢波 英文
crystal detection
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 體構詞成分。
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. The crystal detector was soon replaced by the thermionic value and had largely become obsolete by 1939.

    晶體檢波器不久即被熱電子管所代替,到1939年已大部分變成了廢物。
  2. Galena crystals detectors

    方鉛晶體檢波
  3. Crystal detector tester

    晶體檢波器試驗器
  4. Liquid cryatal also use on the public nuisance of chemical industry, the oriented polymer of macromolecular reaction, the nondestructive evaluation and microwave determination of aviational machine and metallurgic product, checking skin cancer in medicine, body temperature measurement, etc. it has showed the great superiority

    另外液在化工的公害測定、高分子反應的定向聚合、航空機械及冶金產品的無損探傷和微測定、醫學上的皮癌查、溫測量等領域,也都顯示出其巨大的優越性。
  5. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定的激勵信號以確保測任務的正常進行;傳感器變換電路部分,由放大電路、濾電路、電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器測線圈測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp元構成的微處理系統,主要完成測系統的數據擬合、顯示及與主機通信等功能。
  6. The leec biochip can be connected with pcb ( printed circuit board ), thus it can generate a moving electric field by changing time, scope and field intensity discretionarily under single chip processor ' s control. meanwhile it is probable to reduce driving voltage and decrease temperature greatly, and so increase resolution of dna separation

    研究內容包括線性分散式電極陣列的理論設計,以普通載片和有機高聚物pdms ( polydimethylsiloxane )為基本材料的元製作工藝, leec元和pcb板的連接方式,硬控制系統的設計以及控制元工作的單片機程序編制等,此外還包括電化學測方法的研究。
  7. The love wave device with the substrate of st - cut quartz and the guiding layer of si02 was used as the saw biosensor. dna sensor employing synthetic seb dna probe as a molecular recognizing component was utilized to detect seb by measuring seb dna in samples

    該傳感器採用以st一切割的石英片為基,以510 :為傳導層的樂甫( lovewaves )裝置,利用具有分子識別功能的dna合成探針來實現對樣品中sebdna的測。
  8. The attenuators and the sensitivity of detectors are calibrated in varied frequencies. the attenuation of the cable is also calibrated

    晶體檢波器在不同頻率下的礦靈敏度進行了測定;對同軸信號線的衰減量瓣行了標定。
  9. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源濾器的控制系統、諧測方法及控制原理、數字低通濾器和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾器硬原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液顯示模塊進行了較詳細的分析說明。
  10. On this condition, based on the experimental results gotten by the microwave absorption dielectric - spectrum measure technique, the photographic process at room temperature in agcl cubic microcrystals doped with k4fe ( cn ) 6 is simulated. through the optimization of simulating parameters, not only the cross - section and trap depth of the shallow electron trap induced by the dopant, but also the optimal doping amount is obtained

    在此基礎上,以微吸收介電譜測技術的實驗結果為依據,對摻有k _ 4fe ( cn ) _ 6的agcl立方在室溫下的曝光過程進行了模擬,通過調節模擬參數,不但計算出由摻雜劑引入的淺電子陷阱的俘獲截面和陷阱深度,而且得到了這種摻雜乳劑的最佳摻雜濃度。
  11. 7. based on our crsi and algorithm and double lcslm, an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built. and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv, the pixel - level calibration of this system is implemented

    七、採用已建立的空間相位調制環路徑向剪切干涉儀及其前重建演算法,和位相調制持性已知的兩塊液空間光調制器,創建了一套用於模擬產生任意畸變前並加以測和反饋控制的自適應光學硬系統,並通過臺階前對該系統實現了像素級校準。
  12. Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal

    本文以msp430f149元為控制器,設計硬電路提取脈搏信號,連續測脈搏峰?峰值,計算氧飽合度。本課題採用了基線自動調節電路,以克服不同人生理差異引起的基線漂移;設計了直流截取電路和可控積分放大電路,以滿足臨床連續監測的特殊需要,解決信號飽和問題。
  13. The hardware is based on mpu. the circuits can magnify the weighting sensor signals, the - bioelectrical impedance signals, ecg signals and detect the qrs. there are the lcd and interface circuits

    設計以單片機為平臺,設計了壓力傳感信號、生物阻抗信號、心電信號放大電路和qrs出電路,同時還有液顯示電路及單片機的介面電路。
  14. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀測分析等離子的可見光光譜以監測微等離化學氣相沉積過程;利用微對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微等離化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  15. The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user

    本文工作的主要成果是: 1 )將超聲技術引入零件表面硬度的測當中。應用機、電、計算機技術,研製成功較為實用的小型智能超聲硬度測儀2 )採用lcd ( liquidcrystaldisplay )液顯示,使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 )在理論上建立了該系統的頻率信號與硬度值的數學模型,具有非常重要的實踐意義4 )對各元器件進行優選,達到低能耗、積小、重量輕、價格便宜等目的5 )採取措施降低整個系統的能耗並對系統的供電進行了合理的管理,使其進一步達到低能耗,延長了電池的使用壽命。 6 )利用rs - 232標準介面,討論了該超聲智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景
  16. In the design of hardware, frequency sweep signal is based on dds + pll. by the control the singlechip c8051f060, ad9852, the dds chip, can achieve stepped frequency signal. with amplifying and detector circuits, the instrument can achieve the measurement and receiving of amplitude frequency characteristic result. by means of pdiusbd12 finish the usb1. 1 protocol conversion, communicate with usb interface of pc, the instrument give the measurement resul of amplitude - frequency characteristic in lcd of pc

    方面,掃頻信號源基於dds + pll的技術,由c8051f060單片機控制dds元ad9852實現頻率步進。再加上外圍放大、等電路,測量和接收幅頻特性。並藉助于pdiusbd12完成測量數據usb1 . 1協議轉換,實現與pc機的usb介面通信,將幅頻特性測量結果在pc機的液顯示屏上表達出來。
  17. Crystal block section

    晶體檢波部分
  18. Kustaki : ori44, oriw30 and ori2062 were chosen to construct the gfp resolution vector. there were 9 kinds of gfp resolution vector. all of the recombinant plasmids were introduced into crystal negative b. thuringiensis 8mb 171. the fluorescence of the 9 kinds engineered strain can be detected by the fluorescent microscope

    將得到的9種gfp解離載電轉化到蘇雲金芽胞桿菌無突變株bmb171中,熒光顯微鏡鏡顯示9株含gfp的蘇雲金芽胞桿菌重組菌在長為300nm - 510nm的激發光下可發射綠色熒光。
分享友人