晶體檢波器 的英文怎麼說

中文拼音 [jīngjiǎn]
晶體檢波器 英文
crystal detector
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  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

    方鉛晶體檢波器
  3. Crystal detector tester

    晶體檢波器試驗
  4. 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。
  5. 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。
  6. 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。
  7. 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的控制系統、諧測方法及控制原理、數字低通濾和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。
  8. 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,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。
  9. 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,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。
  10. 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
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