數字電平表 的英文怎麼說
中文拼音 [shǔzìdiànpíngbiǎo]
數字電平表
英文
digital db meter- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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It is divided into port state control ( psc ) security check, flag state control ( fsc ) security check, ships quality appraisal, assistant business, report forms, the assurance of the target ship, electronic declare management, parameter design and purview management, the form design. the course of system implement is given in the thesis. the thesis emphasized to introduce the business logic of the psc security check and report forms 。 the implementation of pagestudio is detailed in the thesis
深圳海事數字平臺分為港口國安全檢查( psc ) 、船艦國安全檢查( fsc ) 、船舶質量評價、輔助業務、報表、目標船的確定、電子申報管理、參數設計與權限管理、表單設計器9個功能模塊,在文中給出了系統開發環境搭建過程,並著重介紹了psc安全檢查與報表統計模塊的業務邏輯。To make the test process feasible, compile program are carefully generated to let them be able to execute repeatedly by the microprocessor, and the average current consumed by at89c51 is then measured with a simple current meter
測試時,我們讓微處理器重復執行選定的測試程序,用普通的萬用數字電流表測量微處理器消耗的平均電流。In the last, test and optimization of dvb - c modulator system are addressed. methods of test and some items which should be paid attention of digital carrier level and rate of carrier to noise 、 relationship between ber and c / n 、 mer ( modulator error rate ) are given, some test results got by analyzer are all up to dvb - c test standard
給出了數字載波電平與載噪比( c / n ) 、誤碼率( ber )與載噪比( c / n )關系、調制誤碼率( mer )測試的方法與測試注意事項,通過分析儀等分析得到結果包括列表和圖示,達到了dvb - c規定的各項指標。Based on the analysis, we bring up a new way of thinking, after considering the characteristics of the dds design in software radio system platform. we adopt the rom compression technique of dds special chip and other optimizing methods in the design. we still bring up a new modified method, of which the compression ratio is 139. 6 : 1
在此理論分析基礎上,針對在軟體無線電平臺中的直接數字頻率合成設計特點,對dds專用晶元進行分析后提出新思路,將dds專用晶元中所使用的幅度表壓縮技術用於軟體無線電平臺中的dds設計,同時採用其它輔助方法進行了優化設計,並提出一種新的改進方法,將壓縮比提高到139 . 6 : 1 ,很好的改進了軟體無線電平臺中直接數字頻率合成的雜散抑制性能。The core contents of digital power transmission network are to build the true three dimension scene of objective region, to search for the transmission equipments and to operate them in the scene interactively. according to the two main kinds of three dimension digital models ( earth surface model and transmission equipment model ), this thesis describes a simplifying method depended on view - point : it accomplishes displaying and flying over a large area of true earth surface with level of detail model based on block - binary tree. and it realizes " the efficient display of abundant data of equipment models and interactive management by the method of combination of models and images
構建目標區域的真實三維場景,並在場景中對輸電設備進行查詢和交互操作是數字輸電網路的核心內容,本文針對數字平臺中兩種主要的三維數據模型? ?地表模型及輸電設備模型提出了基於視點的簡化方法:用塊? ?二叉樹結構的動態細節層次模型解決了大區域真實地形的顯示及漫遊方法;用失柵結合的方式實現了對海量設備模型數據的高效顯示及交互管理的功能。Sound system equipment - peak programme level meters - guide for digital audio level meter
音響系統設備.峰值音量電平表.數字音頻電平表指南Xmt series intelligence digital indicate controller and have advantanges of small size and high anti - interference. the products are manufactured according to the international standards and use transformer or 85 ? 264vac wide range input switch power. multiple installation dimensions allow for compatibility with most of the automatic industrial controlling / adjusting instruments in the world in respects of performance specificatons, input patterns, output functions and installation dimensions. therefore, the products are digital controllers at internationally advanced level
Xmt系列智能數字顯示控制器,體積小,抗干擾能力強,產品按國際標準製造,採用變壓器或85 ? 264vac寬范圍輸入的開關電源,並有多種外型尺寸,能與世界大多數工業自動控制/調節儀表在性能指標、輸入方式、輸出功能、安裝尺寸上兼容,是具有國際先進水平的數字控制器。An improved high - resolution current - mode sorter is presented. its structure complexity is o ( n ), which is crucial to the expansion of its size, and its dynamic range is large. only one clock signal and one reset signal are needed. no biasing signal is required. the operation point is constructed according to the input current, so it is self - adaptive, which is very important for an all - purpose component. in average value circuit, subtraction circuit, winner - take - all ( wta ) circuit and control circuit, it has good performance even at a large input current. this sorter has high precision, high resolution and low power, as has been proved via hspice simulation. it can be implemented in the standard digital cmos technology and widely used in many fields, so it is of great value in applications
提出了一種改進的高精度電流型排序電路.它的結構復雜性僅為o ( n ) ,便於擴展;動態范圍大;它是自適應的,工作點由輸入電流確定,故不需要偏置信號,這對作為通用器件使用的排序電路來說是很重要的.通過利用平均值電路、減法電路、 wta電路和控制電路,可以使該電路在大輸入電流下依然保持高性能. hspice模擬表明該電路具有高準確性、高精度、低功耗的特點.它能用標準數字cmos工藝來實現,可以被應用於很多領域,具有很高的應用價值The quality of digital audio is characterized by the sampling rate, the quantization interval and the number of channels
數字音頻的質量可以用抽樣頻率、量化電平和聲道數來表徵。In digital signal technique, a signal that uses a positive ( or negative ) excursion and ground as the two binary signal states
在數字信號技術中,用正(或負)向電壓與地兩個電平來表示二進制「 1 」和「 0 」的一種信號Digital dipmeter is designed by consulting the indination between the surface and the pictures of the electronic core slice, following to transmit all the collected pictures to the computer, which are all handled into datas, through analyzing and working out all the datds of the positions and directions about the measured surface and the basic surface
摘要數字傾斜儀的設計是通過參考平面與圖象晶元之間的傾抖,然後將圖象晶元中的圖象傳入計算機中,再在計算機中對採集的圖象進行數據處理,分析計算出所測表面與基準面傾斜的方位和角度,該儀器充分利用了光學、機械、電子、計算機的理論,並有機的結合起來。For the 32 phase states, within the frequency band of 60mhz 10mhz, the insertion loss of the phase shifter is lower than 2. 3db, the imbalance of scope is lower than 0. 3db, the phase error is better than 3. 3 degree, the input / output vswr is lower than 1. 7. physical dimension is 40mmx30mmx20mm
實測結果表明:中頻寬帶五位數字移相器在60mhz 10mhz頻率范圍內, 32個相位狀態的插入損耗都低於2 . 3db ,幅度不平衡小於0 . 3db ,相位誤差小於3 . 3度,輸入和輸出電壓駐波比都小於1 . 7 。It conforms the data correlated to transmission network through data management and virtual reality technology. also it can demonstrate the circumstance and status of the whole transmission network, and can do the automatic verification and simulation of network design, operation and managements. finally it achieves the goal of providing excellent supports in the whole lifecycle of a transmission network
「數字輸電網路」在本質意義上是一個信息管理平臺,它運用海量數據管理及計算機虛擬現實技術,最大程度地整合與輸電網路有關的數據,並通過科學的表現方法展現整個輸電網路所處的環境及狀態,對網路設計、運行及管理中的各種條件約束進行自動校驗和模擬,最終達到為輸電網路從設計到運行的整個生命周期提供良好數字支撐平臺的目標。分享友人