檢波器放大器 的英文怎麼說

中文拼音 [jiǎnfàng]
檢波器放大器 英文
detector amplifier
  • : 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
  • : releaseset freelet go
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. In the blue print of the analog, author utilize the big dynamic vga to realize the if amplifier and use the audion to carry out the 80db agc, through the improvement of the traditional detect circuit, extend the dynamic range of the detector

    在模擬方案中,筆者採用了動態的vga實現中頻;利用三極體實現了80db的agc控制;通過對傳統二極體電路改進,提高了的動態范圍。
  2. A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector

    通過與華無線電廠合作,研製了超高頻傳感,其主要由天線、超高頻、高通濾、寬帶等組成。
  3. 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

    硬體電路的設計主要分三部分來實現: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晶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。
  4. The hardware is composed of the selection of sensor, magnifying circuit, filter circuit of multi - plot tracing, shaping circuit, demodulation circuit, peak value holding circuit, and voltage comparing circuit

    硬體部分包括傳感的選擇、電路、多點跟蹤濾電路、整形電路、電路、峰值保持電路、電壓比較電路。
  5. Narrow band amplifiers power amplifiers

    對數視頻dlav
  6. The signal is fed into a filter-amplifier which is transformer-coupled to the video-detector.

    這個信號送到濾-,它是由變壓耦合到視頻的。
  7. Investigation on rf power amplifier imd detection and carrier cancellation

    射頻互調失真測和載抵消的研究
  8. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁測傳感,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益、各路漏磁信號偏離調整、形微分、數字濾和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小去噪方法。
  9. The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary

    信號測單元直接測皮帶速度,並輸出近似正弦的電信號:信號處理與分析單元對傳感輸出信號進行、整形、 a d轉換和計算等處理,並進行數字顯示;預警、報警、控制單元將信號與標準信號進行比較,經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。
  10. 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晶元為控制,設計硬體電路提取脈搏信號,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,以克服不同人體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電路,以滿足臨床連續監測的特殊需要,解決信號飽和問題。
  11. The linear scale before and after log is an effective way to inspect the reality and accuracy of the log curves, such as downhole signal ' s amplitude limit or not and serious distortion, the variable density logging tool ' s signal linear amplification and working stability

    測前、測后線性刻度對分析、判定變密度測井曲線的真實性與準確性體現在對井下列的限幅與畸變程度、測儀的線性狀態和穩定程度。
  12. In the blue print of the digital, make sure of the logarithmic amplifier, a / d / a converter and fpga realize the if amplifier, big dynamic range agc, detect and video process same as that in the blue print of the analog

    在數字方案中,筆者結合軟體無線電技術,通過使用對數、 a / d / a轉換以及fpga軟體實現了同樣的中頻動態范圍的agc控制、以及、視頻信號處理等功能。
  13. After the analysis of power produce character of the typical three - phases unbalance load, the corresponding circuit is adopted. this main circuit is composed of the power filter series and tcr control circuit. secondly the theory of band - pass filter is analyzed in detail, and then a method of implementing butterworth band - pass filter is put forward

    簡要分析了無功補償的基本原理和工作特點,通過對典型的三相不平衡負載工作特點的分析,主電路採用電力濾與晶閘管控制電抗相接合的結構;對用於無功測的帶通濾進行了分析,設計了用於負載電壓、電流信號濾的帶通濾,並採用運算加以實現。
  14. After pin ’ s noise and equivalent circuit are discussed, this thesis introduces technology and methods of signal management, including pre - amplifier and differential - amplifier, bpf, lia, etc. at the end of paper, the system of photoacoustic spectrometer is proved by experiment

    本文在討論了光電二極體的噪聲和等效電路之後,介紹了信號處理的技術和方法,包括前置、差分和有源帶通濾的設計及用於微弱信號測的鎖相技術。
  15. Seismic wave ' s property is studied and seismic sensor ' s selection and setup are discussed at first. then, several parts are designed include the prep - amplifier, low pass filter data acquisition of the core of system and the serial interface between dsp and pc. finally, the disquisition presents some measures of anti - interference

    文章首先研究了地震的特性並對地震的選擇與安裝進行了討論和設計,接著討論了系統前向通道包括前置、低通濾環節的設計,系統核心數據採集部分vc5402與a d轉換介面以及與pc機串列通信介面的設計,最後介紹了dsp系統抗干擾的一些措施。
  16. For every sensor, there are a signal amplifier, filter circuit and date processing microprocessor to constitute a sensor - based system. each sensor - based system are controlled and coordinated by a master single chip microprocessor system by means of interior communicating

    針對每種參數的測傳感,分別配用了相應的信號電路、濾電路和測數據處理的專用單片機系統,使各個參數的測自成系統。
  17. We suggest that bed - side ultrasonography and needle paracentesis be considered as an expedient alternative for decompression of intra - abdominal hypertension in patients with blunt solid visceral organ injury with massive hemoperitoneum and acs

    我們認為當病患有腹部實體官挫傷合併有量腹膜腔出血及腹部腔室癥候群,可考慮使用床邊的腹部超音查及腔液穿術來減壓,以改善病患臨床癥狀。
  18. This paper utilizes masking rate theory to analyze the variation of center zero - level energy, the influence of metallic mesh ’ s different parameters on infrared transmitting ; deduces the relational expression between infrared transmitting efficiency and metallic mesh ’ s parameters ; comes to the conclusion that we can improve infrared transmitting efficiency by increasing

    理論研究表明,金屬網柵的周期選擇在200 ~ 400 m之間,線寬不於10 m ,是較為理想的網柵參數。最後,在實驗室里用1 ~ 20ghz的信號發生、功率和頻譜分析儀等雷達測設備,對金屬網柵的屏蔽效率進行測試。
  19. Firstly, the theory and the architecture of hardware system are described, secondly, the steps of the signal processing are discussed in detail. based on the experiments and the characteristics of the signal, we pre - process the signals with band - pass filter, proportional amplifier and coherent demodulator. after sampling and analysis doppler information, we display the final results distinctly to alarm in time

    然後,結合系統中各主要部分的任務,詳細介紹了信號處理的各個步驟:通過實驗比較,並結合接收信號的特點,選用帶通濾、比例、相干等技術對信號進行預處理;然後對獲得的多卜勒信息進行采樣和頻譜分析;最後,用比較直觀的形式顯示數據結果,以及時準確地告警。
  20. So they are able to keep synchronous and processing concurrently. besides the high resolution ratio sensor, the tiny volt class constant power and 24 bit a / d converter which equipped microprocessor are used. the high accuracy amplifier and low - pass filter circuit were designed to deal with the signals

    為保證各傳感測的信號具有足夠高的解析度,採用了微伏級高精度穩壓電電源和具有微處理的24位a d轉換ads1211 ,並設計了相應的高精度信號和低通濾
分享友人