控晶振 的英文怎麼說
中文拼音 [kòngjīngzhèn]
控晶振
英文
vco-
The pll consists of a crystal oscillator, a ring voltage - control - oscillator, a frequency divider, a phase / frequency detector, a charge pump and a loop filter
設計的電路包括20mhz晶體振蕩器，鑒頻鑒相器，壓控振蕩器，固定分頻器，電荷泵和低通濾波器。Motion controller composed of general chip series is developed and quadruple differential circuit utilizing dual monostable multivibrators with schmitt trigger inputs and dual 4 _ line to l _ line data selectors or multiplexers is put forward
本論文研製了一種用常規晶元系列組成的運動控制器，提出了採用單穩態多諧振蕩器和數據選擇器的四倍頻辨向電路。First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。Applying two perpendicular polarized light states and a no - light state to express information, this new theoretical system covers : a ) whole architecture constructed from light processing, light transmission, electric control and photoelectric input and output ; b ) various computing units mainly consist of liquid crystal element and polarimeter ; c ) light bus mainly consists of interlinkage optic valves ; d ) ternary memory formed from semiconductor memory ; e ) register formed from optic fiber ring ; and i ) huge - numeral management based on the new concept of calculating path and calculating channel
這個理論包括：光處理、光傳送、電控制、綜合輸入輸出的總體結構；以液晶元件和偏振器為主的各類運算器結構；以互連光閥為主的光空間總線；以半導體存儲器為主的三值數據存儲器結構；以光纖環為主的寄存器結構；以算位、算道新概念為基礎的巨位數管理方案等。Bai shi new development over the years, the company ' s products are mainly trade sales world - renowned brands ; has formed a production and supply of quartz crystal and ceramic capacitors, thick film resistors based serial production lines. main products include : plug posted quartz crystal surface, the surface of quartz crystals and crystal oscillators, posted plug surface, quartz oscillator vco, stickers and vco plug - round version of ceramic capacitors and vertical and horizontal layer ceramic capacitors, chip resistors and resistor ranked / exclusion order and capacitance / second polar body / mixed network
新佰仕經過多年的發展，公司貿易的產品主要銷售世界知名品牌電子元器件；現已形成了以生產及供應石英晶體?陶瓷電容器?厚膜電阻器為主的系列化產品生產線，主要產品包括：表面貼石英晶體?插件石英晶體?表面貼石英振蕩器?插件石英振蕩器?表面貼壓控振蕩器?插件壓控振蕩器?圓版型陶瓷電容?立式與臥式積層陶瓷電容?排列電阻器?晶元電阻/排阻?排列電容/二極體/混合網路。Generic specification of crystal controlled oscillators
晶體控制振蕩器的一般規范Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation
利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點，以gps信號為基準來校準本地時鐘（晶體振蕩時鐘或原子鐘） ，將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合，應用大規模可編程邏輯器件，設計和實現了由pc104控制的實時在線授時系統。Temperature control devices for quartz crystal units
石英晶體諧振器的溫度控制裝置The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions
本文論及的「時鐘」概念不是指日常生活中使用的鐘表，而是由產生基準頻率的信號發生器（如銫原子頻率標準、銣鐘及高精度石英晶體振蕩器等）中的某種頻率源以及相配套的輸入、輸出介面和控制電路等組成的一整套具有特定同步定時功能的綜合體。如bits就是一種時鐘設備，它提供用在通信系統中控制某些功能的定時的時間基準設備，時鐘提供的信號稱為基準信號、定時信號或同步信號。Quartz crystal controlled oscillators of assessed quality - standard outlines and lead connections
經質量評定的石英晶體控制振蕩器.標準外形和引線連接Quartz crystal controlled oscillators of assessed quality - part 1 : generic specification ; amendment 2
經質量評定的石英晶體控制振蕩器.第1部分:總規范.修改件2Quartz crystal controlled oscillators of assessed quality - part 4 : sectional specification - capability approval iec 60679 - 4 : 1997 ; german version en 60679 - 4 : 1998
經質量評定的石英晶體控制振蕩器.第4部分:分規范.能Quartz crystal controlled oscillators of assessed quality - part 5 : sectional specification ; qualification approval iec 60679 - 5 : 1998 ; german version en 60679 - 5 : 1998
經過質量評定的石英晶體控制振蕩器.第5部分:分規范Crystal controlled oscillator
晶控振蕩器In the paper, the design of the real - time test system for crystal parameters is presented. the signal generator of sweep frequency based on dds device ad9852, the signal measuring circuit based on gain and phase detector ad8302, and the real - time control and deal circuit based on tms320vc5416 and the design of high - speed printed digital & analog circuit board are discussed in details
本文闡述了晶振實時測量系統的設計，介紹了以dds晶元ad9852為核心的掃頻信號源電路，以增益相位檢測器ad8302為核心的信號檢測電路，以dsp晶元tms320vc5416為核心的實時控制與運算電路，以及高速數模混合電路板的設計方法。In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design
本文首先分析了振蕩器的工作原理，從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計，利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素，從設計就開始控制晶振的相位噪聲，為更好地實現課題的目標打下良好的基礎。The test system including power circuit, restoration circuit, pulse circuit, the circuit of the memory ( sram and flash ), jtag interface circuit, the control circuit of the touch - panel, lcd interface circuit
該測試系統的功能模塊包括電源電路，復位電路，晶振電路，存儲器電路（ sram和flash ） ， jtag介面電路，觸摸屏控制電路， lcd介面電路。Voltage controlled crystal oscillator vcxo
壓控晶體振蕩器Quartz crystal controlled oscillators of assessed quality. part 4 - 1 : blank detail specification capability approval
經質量評估的石英晶體控制振子.第4 - 1部分:容量認可的空白詳細規范Quartz crystal controlled oscillators of assessed quality - part 4 - 1 : blank detail specification ; capability approval iec 60679 - 4 - 1 : 1998 ; german version en 60679 - 4 - 1 : 1998
經質量評定的石英晶體控制振蕩器.第4 - 1部分:空白詳細分享友人