立體頻數 的英文怎麼說
中文拼音 [lìtǐbīnshǔ]
立體頻數
英文
stereogram-
By analysing the relationship among the parameters such as substrate, speed, tension, rotational speed, shape distortion of paper etc, this article put forward a control law to control the drive transmission roller in emery cloth and sand paper production line, the principle is based on hooke ' s law
摘要本文根據彈性力學中的虎克定律，結合砂布砂紙生產特點，分析計算了生產線中基體、應變、速度、張力、轉速等參數之間的關系，建立了砂布砂紙生產線中傳動輥轉速（頻率）運動方程。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。Technical parameters and measuring methods for fm broadcasting transmitters - monophonic and stereophonic
調頻廣播發射機技術參數和測量方法單聲和立體聲The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。( 5 ) method of bandwidth compression of holographic grating based on discrete spectrum and realization of a 1 / 8 bandwidth compression of holographic grating ( 6 ) holographic stereogram display that can be implemented using cgh and imaging process through capturing sequence parallax images based on result of computed basis fringe
採用空間頻率域的子采樣，計算了一個8倍的條紋函數壓縮編碼結果，並給出了簡單易行的解碼方式。 6 、利用獲得的基本條紋函數合成了一個基於序列視差圖像的立體圖顯示，實現了三維數據未知的物體的三維全息顯示。Technical parameters and measuring methods for fm broadcasting coder - stereophonic
調頻廣播編碼器技術參數及測量方法立體聲The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance
通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。In order to meet the requirement of phase - error and physical dimension, high - pass / low - pass filter phase shifter and solid - structure are applied in the design of if broad - band five - bit digital phase shifter
考慮對相位誤差和物理尺寸的要求，中頻寬帶五位數字移相器採用高通/低通濾波器形式和立體結構進行設計。This thesis presents a new audio digital watermark algorithm based on has model. the steps : first, it classifies the signals through fft ; second, calculating the tones, noise and the overall masking threshold of different phases through has, and changing the energy value of tones which are more than that of the overall masking threshold to embed the watermark information
提出了一種基於人類聽覺系統（ has ）模型的音頻數字水印演算法，該演算法首先對信號進行分段離散快速傅立葉變換（ fft ） ，再根據人類聽覺系統模型計算出各段的類純音、類噪音以及各段的總體掩蔽閾值，通過改變大於總體遮蔽閾值的類純音的能量值來嵌入水印信息。First, the implementation project of the if digital receiver of tdrss user transponder by the fpga and dsp cooperation design method is proposed in this thesis. then, the software simulation system for the if digital receiver is built up, definite word - length effect is analyzed, and some useful conclusions are derived, which provides reference for the following hardware design and debug
本文首先採用fpga與dsp協同設計的方法實現該接收機的方案，然後建立了該中頻數字接收機的軟體模擬系統，對有限字長效應進行分析，得到了一些重要結論，為下一步的硬體設計和調試提供了參考。Finally the software of all the modules was give. experiment in pc demonstrates this designed software can accomplish the basic function of ip phone such as creating the connection by session initiation protocol, negotiating the media by session description protocol, transporting the stream of data by rtp / udp / ip
最後在pc上進行了實驗，結果顯示本課題所設計的軟體可以完成ip電話的功能，使用sip信令建立連接、使用sdp信息進行媒體流協商和使用rtp / udp / ip傳輸音頻數據流。There ’ re some shortcomings in the past audio system. firstly, audio channel is connected with an audio cable ; secondly, the installation in multi - room or long distance environment is complex ; thirdly, extra hardware and cable is needed in the management and monitoring of the audio content ; lastly, the audio routing is manually operated or by expensive audio routers, also, the reconfiguration of the audio system is complicated and time - consuming. in comparison with the past audio system, audio and control data can coexist in cat - 5 cable using etheraudio router ; the devices can be separatedly monitored through the ethernet ; audio can be transmitted to single destination or different destination ; audio routing can be easily finished by modifying address
傳統的音頻系統中，音頻軌道都要與一條音頻電纜相連;多房間、長距離安裝復雜;音頻內容的管理和監控都需要附加硬體設備和電纜;音頻路由需要人工接線或昂貴的音頻路由器，系統的重新配置也是復雜而耗時的過程。 etheraudio音頻路由器可以利用5類線同時傳輸音頻和控制數據;音頻設備可以通過以太網獨立監控;音頻數據可以傳輸到單個或多個目的地;音頻路由可以通過更改地址信息輕易地完成。In order to improving the display performance of video image, it is necessary to preprocess the video signals before being displayed on the monitor. so a flicker - free digital three - dimensional project based on dsp is finally designed
為了進一步改善終端視頻圖像的顯示性能，需要對送顯示前的視頻信號進行一定的預處理，因此對基於dsp的無閃爍數字立體成像方案進行了研究。In connection with the problems existing in the diversified economy of electricity industry and the triple - netwoerk developing trend of communication technology and the regional superiority of electric power communication network, it was recommended that electricity industry take the golden opportunity of urban and rural network modification to build a integrated network with which the voice, data and video information can be transmitted simultaneously. a new economic growing point can be formed by entering the telecommunication market
針對電力系統多經產業存在的問題，結合信息技術「三網合一」的發展趨勢和電力通信網路的區域化佔有優勢，提出了電力企業應抓住兩網改造的機遇，建立語音、數據、視頻信息一體化傳輸的綜合信息網路，進入電信和數據業務市場，實現新的經濟增長點。Technical parameters and measuring methods for fm stereophonic broadcasting transmitters with supplementary channel
調頻廣播發射機技術參數和測量方法立體聲帶附加通道Generally speaking, a 1. 5 mhz channel can carry up to six 256 kbps stereo channels plus a few program associated data
下，一條1 . 5mhz的頻道可以容納6個256 kbps的立體聲電臺，和小量跟節目有關的數據。Industrial controlling equipment and its system, sensor, converter, factory / process automation technology and equipments, distribution control system ( dcs ) / analytical controlling system / intelligent controlling system / process automation controlling system / automatic controlling system / test and control system / supervision system / numerical controlling system / digital display equipment / frequency speed control, servo - control, computer aided design and control, various specialized systems, power transmission techniques, programmable controller / hydraulic pneumatic element, automatic storage retrieval system, logistics, other electronic devices, communication, electric controlled equipments, various fitting, whole - set system and installation
工業控制機及其系統、傳感器、變頻器（培訓） 、工廠/過程自動化技術與設備、集散控制系統/分析控制系統/智能控制系統/過程自動化控制系統/自控系統/測控系統/監控系統/數控系統/數顯設備/變頻調速與伺服控制、計算機輔助設計與控制及各類專用系統、動力傳動技術、可編程序控制器/液壓與氣動元件、自動化立體倉庫、物流、其它有關電子、通訊、電控設備、各類配件及成套系統和裝置。The design of network video collecting system proposed in this thesis is based on embedded hardware developing platform with motorola mcf5272 chipset as center chipset, and uclinux as embedded system as software developing platform. after collecting video data through a usb camera, the system compresses the data in jpeg picture format and mpeg - 4 video format. then with the embedded web server and streaming server, it establishes connection with client in c / s mode, which enables the client to view the video through browser or normal media player remotely
本設計所提出的網路視頻採集系統的設計是在以motorola的mcf5272晶元為主晶元的嵌入式硬體開發平臺配以uclinux作為嵌入操作系統的軟體開發環境下，通過一個usb介面的攝像頭輸入原始的視頻數據，在嵌入式板上分別採用了jpeg圖像格式壓縮和mpeg - 4視頻格式壓縮對原始的視頻數據進行處理，最後通過內置的web服務器和流式媒體服務器，採用c / s的方式與客戶端建立連接，使客戶端在只要能上網的地方就能通過瀏覽器或是普通的mediaplayer播放器觀看到服務器端採集到的影像，具有十分廣泛的應用前景。We design video capture software based on drivers of flyvideo ez capture card. video can be captured and saved by the software. this program gives interface for other function
基於flyvideo98 - ez視頻採集卡，本文利用vfw （ videoforwindows ）技術，編寫了視頻採集捕獲程序，並建立了一個視頻數據採集軟體平臺。Stereo video is a very important developing direction in video technologies in future, compared with single - view video, stereo video usually has two views and it ' s data amount is much greater than single - view ' s, so efficient compression is very important
立體視頻是未來視頻技術的重要發展方向。與單通道視頻相比，立體視頻一般有兩個視頻通道，數據量要遠遠大於單通道視頻，所以對立體視頻的高效壓縮尤為重要。分享友人