放線器 的英文怎麼說
中文拼音 [fàngxiànqì]
放線器
英文
dewinder-
Nonlinear study of the elliptical wave - guide fem amplifier
放大器的非線性特性研究If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential
如果被保護的節點的電位是(或接近)零電位,採用地線保護環最為合適;如果節點電位是其他值,那麼可以用高輸入阻抗放大器組成緩沖器,輸入端連接該節點,輸出端連接保護環。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
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。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
介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝器件、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;分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導線性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。Circuitry construction tools produced by our company are more than eight hundred of kinds in 18 series, which are suitable for foundation construction, tower group sets up the pole 、 a thread constructs 、 cable construction, optical cable construction, such as entangle and rub flexibly 、 insulating aerial cable and cable skinning device 、 aluminiam alloy cherishes the pole 、 and lead 、 card thread device of ground wire 、 high strength shackle 、 ratchet wheel board hands with sharp board hands 、 tight line device of double hook 、 lifting block 、 nylon wheel and aluminium wheel is pat the thread coaster, and etc, with full series and more kinds. as high technology and reliable quality, we have a good reputation among sane fields at home and abroad
公司生產的線路施工機具包括用於基礎施工,桿塔組立、架線施工、電纜施工,光纜施工等工序的18大類800餘種產品,如機動絞磨、絕緣架空電纜及高壓電纜剝皮器,各類鋁合金抱桿,以及導、地線卡線器、高強度卸扣、棘輪扳手與尖扳手、雙鉤緊線器、起重滑車、尼龍輪或鋁輪放線滑車等,系列全、品種多,產品具有工藝精湛,質量可靠等特點,在國內外同行業中有較高的信譽。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
微波低噪聲放大器( lna )廣泛應用於移動通訊、無線電、藍牙技術等的rf前端。 lna中的有源器件是整個電路的核心,對整個放大器電路的性能有著重要的影響,因此有源器件的設計是lna的關鍵技術之一。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
系統集伺服放大器、電動操作器、位置發送器及遠程網路式通信功能於一體,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」電路保護、位置發送器在線調節、與遠程工控機數據通信等眾多功能。Exploiting this insight, he constructed huge “ magnifying transmitters ” ? today called tesla coils ? that generated sparks more than 135 feet long [ see top illustration on opposite page ]
特士拉運用他的洞察力,建造了一個巨大的傳送放大器(現在稱為特士拉線圈) ,可以產生超過長達41公尺的火花(見左頁上圖) 。A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector
通過與大華無線電廠合作,研製了超高頻傳感器,其主要由天線、超高頻放大器、高通濾波器、寬帶檢波器等組成。However, in the pulse application fields, the output pulse energy from single mode fiber lasers or amplifiers is limited by amplified spontaneous emission ( ase ), nonlinear effect and facet damage
在脈沖激光應用領域中,這類小芯徑光纖放大器和激光器的輸出脈沖能量受限於自發輻射放大、非線性效應以及光纖的端面損傷。Specifications and methods of measurement on trunk amplifier used in catv systems
有線電視系統干線放大器.入網技術條件和測量方法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放大器內部金鋁合金線路連接處破損。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
如用於微波電路cad ,可用所建立的模型結構來描述這么一類微波電路的非線性行為特徵;如用於微波電路設計,則可進行如共面波導、晶體管、傳輸線、濾波器和放大器等的設計;如用於微波電路優化,則可用所建立的電路模型優化電路參數,進行阻抗匹配等。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
功率放大器( pa )作為無線通信射頻發射機中不可缺少的關鍵電路,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放大的e類功率放大器,更是在現代通信系統中佔有十分重要的地位。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;對儀表放大器和a d轉換器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路方法實現的非線性校正技術進行軟體補償。Research and design of honeywall in honeynet
改善跨導放大器線性化方法的研究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。The use of balanced transmission lines can help but if the signal bandwidth extends to dc there will be a need for a very high performance instrumentation amplifier at the receiving end to restore a ground referenced signal
採用平衡傳輸線有助於改善信號完整性,但是對于帶寬延伸到dc的信號,接收端要靠超高性能的儀表放大器來還原參考電平。Principle and experimental research into 4 photocoupler s isolation amplifier
四光耦線性隔離放大器原理及實驗研究Experiment result proved, relative to complicated structure and hig h request for laying wiring of zvs series resonant full - bridges, push - pull class - e amplifier is expected more suited for high frequency high - power output ability relatively, which is suitable for popularizing
實驗證明,相對于結構復雜,布線要求較高的全橋串聯諧振逆變器,推挽式雙e類放大器具有更高頻率和較大功率的輸出能力,適于推廣一。分享友人