線路放大器 的英文怎麼說

中文拼音 [xiànfàng]
線路放大器 英文
la line amplifier
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : releaseset freelet go
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲振蕩由寬帶、可調衰減和聲表面波質量傳感件構成。延遲振蕩輸出信號經濾波后與109mhz的本機晶體振蕩輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電處理。
  2. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電組態對頻率特性的影響、節點電壓對電壓模電、電流模電頻率特性的不同影響,根據應用於雙極晶體管電的跨導性原理,提出了採用mosfet構成的電流模、電流傳輸電、輸出電以及由它們所組成的寬帶,獲得了良好的頻率響應。
  3. Low noise amplifier ( lna ) is widely used in front end of a received set of mobile communication 、 wireless radio 、 blueteech technology and so on 。 the active device is the core of the circuit and has significant effects on the whole equipment, therefore, the design of the active device is vital in lna

    微波低噪聲( lna )廣泛應用於移動通訊、無電、藍牙技術等的rf前端。 lna中的有源件是整個電的核心,對整個的性能有著重要的影響,因此有源件的設計是lna的關鍵技術之一。
  4. It integrates the functions of servo amplifier, dynamic operator, position transmitter and remote communication. many new functions have added to its original ones, such as the real - time logical judgment, malfunctions self - diagnosis, alarm & protection, led display, on - line setting and adjustment of functional parameter and position transmitter, power - absence data auto - protection, watchdog system protection, and the long - range communication with pc

    系統集伺服、電動操作、位置發送及遠程網式通信功能於一體,在保留對應部分原有功能的同時,還新增了邏輯實時判斷、故障實時監控、 led動態顯示數據、功能參數設置、掉電數據自保護、 「看門狗」電保護、位置發送調節、與遠程工控機數據通信等眾多功能。
  5. The cox report says, " china great wall industry corp. determined that the root cause of the failure was a deterioration in the gold - aluminum wiring connections within a power amplifier for the follow - up frame torque motor in the inertial measurement unit

    《考克斯報告》稱, 「中國長城工業總公司確定失敗的根本原因,是慣性測量裝置中,隨動架轉矩電動機功率內部金鋁合金連接處破損。
  6. The trained neural network model can be used to solve a variety of problems emerged in rf / microwave circuit design, such as in microwave circuit cad, the established model structure can be used to characterize the nonlinear behavior of microwave circuits

    如用於微波電cad ,可用所建立的模型結構來描述這么一類微波電的非性行為特徵;如用於微波電設計,則可進行如共面波導、晶體管、傳輸、濾波等的設計;如用於微波電優化,則可用所建立的電模型優化電參數,進行阻抗匹配等。
  7. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率( pa )作為無通信射頻發射機中不可缺少的關鍵電,對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用,而適用於恆包絡信號的e類功率,更是在現代通信系統中佔有十分重要的地位。
  8. The error of hall element is analysed and the compensative method is provided ; this paper makes the theoretical analysis of errors producing by the instrument amplifier and a / d converter. we adopt the technology of digital filter and linearization implementing by the neural network method

    對霍爾元件的誤差進行分析並給出補償方法;對儀表和a d轉換引起的誤差進行了理論分析;採用了數字濾波技術和採用神經網方法實現的非性校正技術進行軟體補償。
  9. 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結構,即使用第二代電流傳輸( ccii )和跨阻組成的電流模儀表
  10. Line driver current amplifiers for slic applications

    一種用於用戶介面電的輸出電流
  11. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  12. Nuclear signal processing circuit mainly consists of linear amplifier and pulse shaped - circuit

    核信號處理電主要由和脈沖成形電構成。
  13. In the design and debugging process we found that two different caps with parallel connection may make the amplifier instability. with the analyses of the nonideal cap molding we found that the response curve of two different caps with parallel connection has a saltation whose impedance is infinity and at this pot the amplifier is easy to oscillate. than some suggestion of the use of cap in amplifier design is presented

    的設計、調試過程中發現兩個不同容值的電容並聯會帶來電的潛在不穩定,對實際電容,即帶有寄生電感和寄生電阻的電容,建模、分析后發現,不同容值的電容直接並聯其響應曲會有一個阻抗值為無窮的突變點,該突變點可能會引起電的自激。
  14. Main products include : adjacent channel head - end equipment, two / single - way cable transmission amplifier series equipments, two / single - way optical fiber transmission series equipment, controlling software of catv subscriber addressing management system, two - way hfc network passive equipment and hfc network, and telecommunication workstation series product

    主要產品有:智能化前端設備、雙(單)向電纜傳輸系列設備、雙(單)向光纖傳輸系列設備、有電視網管理及用戶管理系統設備和雙向hfc網無源材及相關的系列專業軟體、服務軟體、通信直站等系列產品。
  15. The improvement can also be used to correct total differencial and integral errors caused by pre - amplifier, linear amplifier, shaping circuit, peak stretcher and holder as well as adc at the same time

    這種方法也可校正由前置、成形電、峰展寬電和模數變換電等共同造成的微分非性和積分非性。
  16. In this paper, the application of ewb simulation technology in electronic circuit course design is introduced, using negative feedback amplifier as a example

    摘要以「負反饋」課程設計為例,分析了ewb模擬技術在電子課程設計教學中應用的實施過程。
  17. Possessing a great deal of advanced technology, professional staff and administration staff, ningbo yuchi company has been dedicated to produce excellent catv network fittings for 15 years, and it could produce more than one thousand kinds of products mainly including outdoor bi - directional amplifier shell, optical receiver shell, optical work station and indoor integrated way splitter shell, terminal box shell series, and die casting, metal, plastic, plug stamping series of products

    宇馳電子,聚集了量的先進技術、專業員工及管理人才,致力於生產精益求精的有電視網配件,通過十五年的奮斗歷程,產品包括野外型雙向外殼、光接收機外殼、光工作站和室內型一體化分支分配外殼、終端盒外殼系列等,以及壓鑄、五金、塑料、接插沖件等系列產品,多達1000多種。
  18. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總四通道計數模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子件來重新設計該計數模塊:採用最新的fpga技術來提高數字電的集成度,將原模塊中的所有數字電全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電的可靠性和測量精度;採用高速的數字信號處理( dsp )取代原有的單片機作為協處理,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極提高測量頻率的范圍;採用d / a轉換晶元和隔離運算得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。
  19. Catv line amplifier

    共用天電視線路放大器
  20. Any combination ( usually adjustable ) of coils, capacitors, or resistors inserted in a transmission line or amplifier circuit to improve its frequency response

    任何一種由圈、電容或電阻組成的網(通常是可調的) ,插入傳輸中,用來改善頻率響應特性。
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