signal modem 中文意思是什麼
signal modem
解釋
信號數據機-
In modem torpedo homing technology, in general, advanced algorithm of signal processing must take longe time in computing, so it is clear that we need to use high - speed signal processor system to do it in real time
在現代魚雷自導技術中，一般的信號處理先進演算法計算量都相當大，要求用高速并行數字信號處理機系統才能實時完成。本課題提出了基於adsp ? 2106x完成魚雷自導演算法。 -
This signal is used to indicate whether a modem is connected to a working phone line and a data carrier signal is detected
此信號用於指示是否數據機已連接到正常工作的電話線並檢測到數據載波信號。 -
The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively
建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。 -
They fulfill communication with the gsm modem, read ring signal, and check on - off hook timely respectively
分別執行與無線通信模塊的通信，讀取來電信號，定時查詢話機的摘掛機狀態功能。 -
The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network
文章主要分為三部分：第一部分論述了微小信號的檢測方法，主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎損耗效應及光纖應力傳感器的研製；第二部分重點講述了智能光電檢測系統的研製，主要講述了微弱光電信號調理電路的設計及由前（后）向通道、單片機、 led 、人機介面、通信介面等組成的智能光電系統的軟硬體的具體設計；第三部分為檢測系統的網路通信部分，具體闡述了單片機系統間的組網技術、單片機和modem之間的通信及通過現有的公用電話網路實現遠程監控的技術，實現現場檢測系統與橋梁測控中心的數據交換。 -
This system use the floater style sensor, mechanical encoder to get water - level signal, and use the at89c51 single chip system to transform the signal into water - level data, use modem through pstn to transmit data for a long - distance, and designed a information management software system hi the irrigation works bureau information center for communication and data management. the structure of the system was discussed in the thesis
該系統使用浮子式傳感器、機械式編碼器獲取水位信號，利用at89c51單片機系統採集水位數據（簡稱：下位機系統） ，採用數據機、通過公共電話網（ pstn ）遠程傳輸數據，並在泰興市水務局信息中心通過主控計算機（簡稱：上位機）進行通信及信息系統管理。 -
Telephone circuit produce dtmf signal, receive ring signal and perform speech function. dtmf receiver lets it becomes binary code for mcu to read. analog circuit process speech signals between phone and gsm modem
固話電路提供產生的雙音多頻信號及振鈴和通話功能，雙音多頻收號電路將dtmf信號變成二進制碼，便於mcu的識別和處理。 -
The data set ready signal is usually sent by a modem to a port to indicate that it is ready for data transmission or data reception
通常由數據機將數據設置就緒（ dsr ）信號發送到埠，以表明它已經為數據傳輸或數據接收做好準備。 -
Biomedical sensor is a key component to the modem medical instrument, which can convert physiological value to electrical signal
摘要生物醫學傳感器是將醫學生理參數轉換成電學量的裝置，是構成現代醫學儀器設備必不可少的關鍵部件。 -
Its function is that the host computer receives alarm and orientation data from mt or sends commands to mt in virtue of modem. sccs makes different kinds of alarm sound according to receiving different kinds of alarm signal, reminding workers of dealing with corresponding alarm in time, and it transmits orientation data to vector map real - timely displaying currently running circumstances of terminal
功能是計算機藉助modem接收來自終端的報警和定位數據或發送命令數據，根據不同的報警類型發出不同的報警聲音，提醒工作人員及時處理警情，同時將定位數據實時傳輸給矢量化地圖顯示終端當前運行情況。 -
Abstract : ： a technique for carriersynchronization of a digital modem is studied and the results of computer simulations are given. through comp arison of twokinds of phase estimator systems, it is shown that the combination of phase signal decision process and signal decoding processwill improve system performances obviously
文摘:分析了數字數據機載波同步技術，提供了計算機模擬測試的結果，並通過對兩種不同鑒相器系統的性能比較，說明了把信號相位判斷過程與信號解碼過程結合，可使系統的性能得到明顯改善。 -
An irq is a signal that is sent by a peripheral device ( such as a network card, graphics adapter, mouse, modem, or serial port ) to the cpu to request processing time
Irq是被一個周邊裝置（像是一個網路卡，圖形轉接器、鼠標、數據機或序列埠）送到處理器請求的一個訊號處理時間。 -
Author introduces the principle, the technical character and the technical data of the device. it is also advanced a scheme about catrier signal spanning the distribution line break. author provides the experiment report of the wfplc - m1 middle - voltage power line caner modem
該系統在設計上採取了多種信號隔離措施，具有雙載頻自動切換功能和中繼功能，結合裝置採用耦合電容和結合濾波器一體化設計，具有接地刀閘保護、避雷器保護。 -
A few kinds of signal separate measures, double caner frequency automatc switch function and relay function are taken into account on the design of wfplc - ml iniddle - voltage distribution line carrier modem. coupling equipment is designed with the filter and capacitance fitted togethel in this papef, it is also advanced an scheme about caner signal spanning the distribution line break. the equipment system has been finished and put into use, which has better result. the feasibly and necessity of the studying of this problem are posed
Wfplc3510中壓配電載波系統利用10kv的架空線或電纜，將主控斷發出的命令信息轉換為載波信號通過三相耦合器耦合到電力傳輸線上，在被控端利用單相耦合器耦合到載波信號后轉換為介面信號發送給被控單元，被控單元亦可將返回數據通過單相耦合發送載波信號到主控端，實現信息的雙向傳遞。 -
In this paper, leak of water - filled pipe was researched in laboratory by means of modal acoustic emission and modem signal processing technologies
本文在實驗室條件下，利用模態聲發射技術並結合現代信號處理技術，對充液管道泄漏問題進行了研究。 -
Modem is the key equipment for digital signal being transferred over analog circle
Modem是數字信號在模擬線路上傳輸的關鍵設備。 -
Multirate signal processing is an important area in modem signal processing theory. during the past decades, a great development has been achieved in this area, and many successful applications could be found in various fields
多抽樣率信號處理是現代信號處理理論的一個重要分支，在最近十幾年取得了巨大的發展，在很多方面得到了成功的應用。 -
Now signal processing has become an important part of modem science and technology. both of them are involved in complex analysis and specification of time series
目前，信號處理己成為當代科學技術的重要部分，這涉及復雜的時間序列的分析與說明。 -
Also, the paper offers the hardware illustration of sdsl modem, the implemental method of some relevant software, and the voice signal encapsulation transmission issue adopting the real - time transmission protocol
本文給出了sdslmodem的硬體圖和相關的軟體實現方法，採用實時傳送協議（ rtp ）解決話音信號的封裝傳輸問題。 -
The research in software radio is not more than ten years, but has made a great many fruits, but it is too little to set up an integrated theory system, and software radio includes many areas such as modern communication system ( which includes modem source / channel encoding and decoding, equalization, encrypt and decrypt and so on ), wideband antenna theory, digital signal process, microelectronics, computer and so on. this thesis mainly does research for modem in modem communication
軟體無線電經過不到10年的研究，盡管取得了很多成果，但是對于建立一套完整的理論體系來說，還遠遠不夠，況且軟體無線電涉及的領域多、面廣、發展快，如現代通信理論（含調制解調、信源通道編解碼、均衡、加密解密等） 、寬帶天線理論、數字信號處理、微電子、計算機等。
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