request channel 中文意思是什麼
request channel
解釋
請求通道-
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。 -
The naming request lofty, resounding, the original creation, the subject are prominent, can fully manifest the kuanyinshan international commerce transport business center core commerce value ; reflected accurately this project the plan design request and the characteristic, can with the local humanities landform suitable union, manifest this land parcel peripheral natural landscape and the humanities spirit fully, exaggerates the office commerce, the mountain scenery seascape, the ecology work ; the start area new name must have commands the nature, can reveal it suddenly the important position which constructs in channel west bank, and to starts in the area the commercial construction to have the cover effect
命名要求高雅、響亮、獨創、主題突出，能夠充分體現觀音山國際商務營運中心核心商務價值；準確反映該項目的規劃設計要求和特色，能與當地的人文地貌適當結合，充分體現該地塊周邊自然景觀和人文精神，渲染寫字樓商務、山景海景、生態辦公；啟動區新名稱要有統領性，能夠突顯其在海峽西岸建設的重要位置，並對啟動區內的商務建築有覆蓋效應。 -
At the same time, they process a great deal of data with high rate. these characteristics make them suitable to realize in fpga. pulse compression technology has request of multi - channel and real - time processing when it is applied in software radar
脈沖壓縮技術在軟體雷達中應用時，對信號處理有多通道實時處理的要求，由於其演算法簡單，非常適合於在fpga中實現。 -
According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。 -
Automatic - repeat - request ( arq ), which helps transmit data at very low error rate, has been proposed to combat the bad channel
自動請求重傳（ arq ）技術，特別是混合arq （ harq ） ，在提高傳輸的可靠性方面發揮了巨大的作用。 -
Mtcem ( multi - tone envelope method ) can accurately forecast performance parameters on a set of stored channel and directly decide usable frequency choice. as hf channel characteristic is closed to gauss, mtcem may be simplified to multi - tone envelope method rtce system. for certain user ' s request and link status, double tone complex envelope method rtce, double tone envelope rtce, adaptive hf channel sounding and communication system, all that can easily derived from mtcem
多音復包絡實時選頻系統，當通道特性近似於高斯通道時，整個系統可以簡化為多音包絡法實時選頻系統，針對不同的用戶要求和電路通道狀況，很容易由它派生出較為簡單的系統，如雙音復包絡法實時選頻系統，雙音包絡法實時選頻系統，短波自適應通道探測和通信系統。 -
The author make use of the technology of model logistics, closely combine with specific condition about cosco logistics and finally set up cosco logistics management information system according to the theory of information management. it effectively solve current problem that the information can not be circulated smoothly in organization channel and the diaphaneity of logistics channel is bad and meet with request from vendor, improve service level of cosco logistics
利用電子化物流技術，以信息管理理論為指導，緊密結合中遠物流的具體隋況，建立了中遠物流管理信息系統，有效地解決了企業信息流通不暢，物流管道透明度差的問題，滿足了客戶的需求，改善了中遠物流的物流服務水平。 -
In a statement he read on the arab - language news channel al - jazeera, deputy foreign minister rafael seguis said his country ' s “ humanitarian forces ” would be pulled “ in response to your request
菲律賓外交部副部長拉法爾在半島電視臺閱讀的一項聲明中說： 「作為對你們要求的回應，菲律賓將盡快把人道主義援助部隊從伊拉克撤出。 」 -
Proposal to request subscription television operators to set aside a channel for broadcasting programmes produced by rthk and lcsd
要求收費電視經營者撥出一條頻道播放香港電臺和康樂及文化事務署所製作節目的建議 -
Atm divides physical channel into several virtual channels for consumers according to different services and distributes web resources by consumers " request, which ensures the service quality and becomes the main technology in internet
Atm採用時分復用技術，可將一個物理通道劃分為不同業務特性的多條虛電路提供給用戶，實現網路資源的按需分配，其服務質量的保證，使得atm正逐漸成為網際網路骨幹網的主流技術。 -
Other sub - projects in the maglev communication system projects deal with the communication channel, including baseband signal encoding and decoding, transmitting and receiving the wireless signal and baseband signal processing the technique of synchronization is deeply request in the digital communications system
本課題涉及車地通信系統中基帶的通道編解碼和無線通道的收發，完成通信系統中基帶信號處理部分的部分功能。在數字通信中，同步是一個重點。 -
To increase the slot throughput and shorten the network ' s delay, the author analyzed all kinds of existent bandwidth allocation algorithm. according to the theoretical deduction, the author concluded the relation between the slot throughput, the number of arrived request packets and the number of allocated contention slots. thereout, he put forward an upstream channel bandwidth allocation algorithm based on the estimation of the request packet ' s arrival ratio ( )
論文以增大時隙吞吐量、減小網路時延為目標，分析了前人提出的各種演算法，在理論推導的基礎上，得出了時隙吞吐量s和到達網路的請求分組數及分配的競爭時隙數之間的關系，並由此提出了一種基於對請求分組到達率估值進行帶寬分配的演算法。 -
The speech quality produced by g. 729a is equivalent to that of 32 kb / s adpcm for most operating conditions, achieving the request of long - distance telephone. these conditions include channel errors, multiple encodings
729a具有非常好的性能，其語音質量與32kb s自適應差分脈沖編碼調制（ adpcm ）演算法相當，達到了長途電話質量要求，在有隨機比特誤碼、發生幀丟失和多次轉接等情況下有很好的穩健性。
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