通道字 的英文怎麼說
中文拼音 [tōngdàozì]
通道字
英文
channel word-
Digital speech technology has been widely used in many fields of communications in recent years, but it is just at beginning to use acoustical wave to implement underwater digital speech communications, which mainly results from the bandwidth - limited underwater acoustic communications channel and its high temporal and spatial variability
目前，數字語音技術已廣泛應用於許多通信領域，但是在水下利用聲波進行數字語音通信卻是剛剛起步的新技術，這主要是由於水聲通道有限的通信帶寬及其時變、空變等特性所決定的。Makes general analysis and research on human visual system the characteristicness of human visual system is the process being considered firstly for every image process technology, include watermark technology, in order to join the characteristicness of hvs and the watermark technology together, this paper analyses and researches the hvs theoretics particularly firstly. it build the aesthesia models and the jnd models after discussing eyes " biology configuration particularly and expatiating eyes " aesthesia process. these works provide the foundation for the later research of watermark channel capacity and the watetmark embedding intensity. 2
對人類視覺系統的特性進行了全面的分析和研究人類視覺系統的特性是任何圖像處理技術必須優先考慮的環節，數字水印技術也不例外，為了使人類視覺系統的特性和數字水印技術很好地結合，本文首先對人類視覺系統理論進行了全面細致的分析和研究，在詳細闡述了人眼的生理結構及人眼對顏色的感知過程的基礎上，建立了人眼的感知模型和人類視覺系統的jnd模型，這些工作為后來水印通道容量的研究、水印嵌入強度的確定等工作奠定了基礎。Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹A wideband digital channelized receiver design
一種寬帶數字通道化接收機的設計In this dissertation, we mainly study the efficient architecture of channelized digital receiver, discuss the particular realization approaches, then testify them with simulation
本文主要研究了通道化數字接收機的高效結構，討論了具體實現方案並進行了模擬驗證。And we carry on carefully the theoretical research and systematic analysis of channelized receiver with poly - phase filters. in addition, we carry on simulations for channelization processing module
針對基於多相濾波的數字通道化接收機，進行了仔細的理論研究和系統分析，並在此基礎上，對通道化處理部分進行了模擬實現。Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal
在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構，推導並建立了實信號通道化數字接收機的多種數學模型。Persons with physical handicaps : improve the access and related facilities in church, service building, retreat houses, pastoral centres and all church organizations for those with disabilities, e. g. construction of slopes, elevators, toilets for people with disabilities, braille bibles, hymn books and parish newsletters, earphones for the hearing impaired to listen to homilies during mass and sign language interpreter during liturgies
傷殘人士：改善通道及有關設施，以加強傷殘人士對社會的參與，例如：聖堂服務大樓避靜所牧民中心以及各教會機構應提供傷殘人士適用的通道及設施斜路凹凸紋膠條的路面凸點字標記可供輪椅出入的升降機洗手間凸字聖經歌書堂區通訊以及為弱聽人士而設的耳機系統輔助神父講道的無線調頻系統等。2. the design of program searching and parsing and de - mux module, which are the application software of the stb, are discussed in this dissertation. 3
利用hi2011晶元及其提供的開發軟體包進行了有線電視數字機頂盒的應用程序開發，即節目搜索及節目提取程序的設計和解復用通道的軟體設計。Technical specification for nicam - 728 digital audio signal transmission with satellite tv channel subcarrrier
Nicam - 728衛星電視通道副載波傳送數字聲技術規范Basic technical parameter requirements and methods of measurement on multichannel sound television receivers using the nicam two - channel digital sound - system
採用nicam雙通道數字聲系統多聲道電視接收機的基本技術參數要求與測量方法Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend
最後本文對數字混沌序列進行了優選，在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低；相對于線性擴頻碼（ gold序列） ，同樣誤碼率較低。In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication
根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。Tdma cellular pcs - digital traffic channel layer 2
Tdma蜂窩式pcs .數字通信通道層2The techniques of the barometric height measurement are researched, which is calibrated by gps information and compensated by temperature information. the barometric height measurement channel of high resolution is designed with the help of curve - fitting and digital filtering algorithm
研究了利用gps校準零點、帶溫度補償的氣壓高度測量技術，通過曲線擬合與數字濾波技術，設計了具有較高解析度的氣壓高度測量通道。Channelized receiver with poly - phase filters is an appropriate solution. in this thesis, the design and implementation of channelization processing are studied systematically. meanwhile, we put forward a new implementation method and get some conclusions and achievements
本文結合具體的研究項目，對基於多相濾波的數字通道化接收機中的通道化處理進行了系統的研究，並提出了一種新的實現方法，取得了部分研究成果。To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。To ensure the reliable transmission of voice and data, the channel encoding method which the digital trunking communication system uses is crc ( circle redundant code ) & rcpc ( rate - compatible punctured convolution code ) & interleave
為了保障話音和數據的可靠傳輸，數字集群系統採用的通道編碼方案為crc + rcpc +交織。2006 - 2016 cross boundary vehicle traffic estimates were taken from the crosslinks further study, whilst 2001 estimates were derived by interpolation
： 2006年至2016年間的跨界車輛估計數目取材自跨界通道進一步研究，而2001年的估計數字則以內推法計得。The multichannel digital shutter velocity tester is mainly used in measuring the exposure time of a camera curtain shutter
摘要多通道數字化快門速度測試儀主要應用於幕?式相機快門有效曝光時間的測試。分享友人