選擇放大器 的英文怎麼說

中文拼音 [xuǎnzháifàngdàqì]
選擇放大器 英文
selective amplifier
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 放 : releaseset freelet go
  • 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
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. At last, the preamplifier of optical receiver, including the preamplifier ’ s parameter, the selection of circuit type and the design of the preamplifier is discussed

    本文還論述了光接收機前置放大器，包括前置放大器的性能參數、電路類型的選擇和前置放大器的設計等。
  2. 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

    硬體部分包括傳感器的選擇、放大電路、多點跟蹤濾波電路、整形電路、檢波電路、峰值保持電路、電壓比較電路。
  3. The fact that most of these topologies need laser - trimming technique to improve the match precision to reach high cmrr is found after investigating several instrumentation amplifier topologies. in this paper, a new style instrumentation amplifier topology with current processing mode based on ccii and impedance amplifier is designed and realized

    由於本論文所使用的國內工藝線沒有激光調阻技術，因此本文選擇了一種近年來新出現的一種新型儀表放大器電路結構，即使用第二代電流傳輸器（ ccii ）和跨阻放大器組成的電流模儀表放大器。
  4. Based on the analysis of transistor amplifier noise model, we select devices with low noise in reason. and the method how to reduce phase noise and phase jitter is also discussed

    依據晶體管放大器的噪聲模型分析合理選擇了低噪聲的元器件，對降低相位噪聲和相位抖動的方法作了一些探討。
  5. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。
  6. Ecg monitor module included signal collection channel and related data processing based on mcu. the signal collection channel which adopted high performance integration instrument amplifier was designed according to the features of ecg signal. msp430f149 mcu was used in controlling lead - switch, state - switch and the a / d conversion

    根據心電信號特徵，使用儀表放大器設計了高指標的心電信號採集通道，由msp430f149單片機進行控制，可選擇多導聯切換檢測，以及切換工作模式，並對模擬信號進行a / d轉換。
  7. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手，重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法，主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器（兩個cdba ）的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬（信號流圖法）和反饋設計（跳耦法） 。
  8. This paper presents the general project design firstly, and then introduces the system hardware circuit design in detail which includes the choice of chips, the loop filter parameters computation and the design of the power amplifier ' s peripheral matching circuit

    在介紹了系統總體方案設計之後，本文詳細介紹了系統的硬體電路設計，包括晶元的選擇，環路濾波器參數的設計，以及功率放大器外圍匹配電路的設計。
  9. Grounding on above theory, the zvs resonant of soft switch full - bridges circuit, and class - e amplifier, and push - pull class - e amplifier are analyzed respectively in theory. push - pull class - e amplifier is available by comparing results of simulation and low power experiment

    基於以上理論，分別選擇了zvs諧振型全橋串聯逆變器、 e類放大器以及推挽式e類放大器進行詳細的理論分析，模擬比較以及小功率實驗對照。
  10. Based on the study of circuit cells which are applied in sige bicmos operational amplifier, the telescope cascode configuration is selected to realize high speed and high gain

    其次，通過對sigebicmos運算放大器中電路單元的研究，並結合運放實際設計指標，選擇套筒式共源共柵結構作為運放的主體結構以確保高速、高增益的實現。
  11. The reason of a structure selection, some components selection for the system is narrated

    論文首先提出了放大器的結構選擇依據，具體的實際規范下選擇器件。
  12. Turn on the amplifier and select the program source

    打開放大器電源，選擇節目信號源。
  13. Make sure the program source selector on the amplifier is set to the proper source

    確認放大器的節目信號源選擇器是否已設定在適當的信號源。
  14. The input voltage of the piezoresistive transducer, gain, sampling frequency and negative delay can respectively be graded through programming. the stored system is specially designed to have two modes of trigger ( namely, external trigger through wire breakage and inner trigger through overpressure signal ), reading software and interface circuit that are of

    該測試系統可通過編程選擇傳感器供電電壓（兩檔） 、放大倍數（四種） 、采樣頻率（四種） 、負延遲（四種） ；同時具有斷線外觸發和超壓信號內觸發兩種觸發方式；讀數的軟體和介面電路都具有串併兼容特性；系統還具有狀態自檢和定時上電等功能。
  15. First please make sure the useful signal has very good snr before you input it to amplifiers chain, then you can calculate how much gain and nf you need to get the targeted signal amplitude and noise level, based on this you can choose the right components to design amplifiers chain

    后才將其輸入放大器鏈，接著計算獲得目標信號振幅和噪聲水平所需的增益與nf的大小，最後根據這些數據選擇合適的器件設計放大器鏈路。
  16. 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，線寬不大於10 m ，是較為理想的網柵參數。最後，在實驗室里用1 ~ 20ghz的信號發生器、功率放大器和頻譜分析儀等雷達波檢測設備，對金屬網柵的屏蔽效率進行測試。
  17. Low adjacent channel power for receiver selectivity and amplifier linearity testing

    低調較渠道力量為接收器選擇性和放大器線性測試
  18. Amplitude selection amplifier

    振幅選擇放大器
  19. After you make sured the loudspeaker, will choose the enlarger, then make can with accuracy start this this loudspeaker. not only the enlarger s power want enough and big, but also the enlarger s electric voltage the electric current characteristic must also load the with loudspeaker to match. 100 w powers lose into the enlarger that a loudspeaker ambition for 8 ws need that enlarger, with 100 it is same that w powers lose into a loudspeaker for 2 ws

    當你確定了揚聲器之後，就要選擇放大器，以使能正確地啟動這此揚聲器。不僅放大器的功率要足夠大，而且放大器的電壓電流v - 1特性也必須與揚聲器負載相匹配。 100w功率輸進一個8w的揚聲器志需要的放大器，與100w功率輸進一個2w的揚聲器的放大器是相同的。
  20. How to reduce noise figure of operational amplifier are studied in this paper. through design of a low - noise opa, introduce low - noise design of the input stage in detail. and with the analysis of computer, suitable sizes of the input apparatus are choosed. at last, by simmulation and verification on this opa, the result is satisfied

    研究了如何從電路結構上減少運算放大器的噪聲，以一種低噪聲運放為例，著重介紹輸入級設計，並藉助計算機分析選擇合適的輸入器件尺寸，最後通過對運放噪聲的模擬驗證，得到了滿意的結果。
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