long distance signal 中文意思是什麼
long distance signal
解釋
遠距信號-
It emphasizes on the analyse of using syntony demodulation technology to final the long - distance coming train. at the same time, it gives a preliminary analyse in the signal for different cases, takes a research on the identified technology for the coming train, designs and assembles the hardware and software of this system. all of them have got past the test on the spot and got a satisfying result
課題中的關鍵是如何得到列車運行信號的特徵規律，在本文中對這些列車接近信號的一些分析方法作了介紹，著重分析了採用共振解調技術發現遠程來車的信號，同時針對不同情況下的信號進行了初步分析，研究了來車的識別技術，並對系統的軟硬體進行了設計和組裝，通過了現場試驗，得到了令人滿意的結果 -
Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network
該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后，並設置在布防狀態。一旦有盜賊闖入防範地點，探測器立刻發射無線編碼信號，安裝在距防區150米以內的主機立即發出警笛聲報警，報警時撥打預先設定的聯網中心號碼或報警電話手機號碼，接警電話里回放用戶預錄的報警語音，遠程報警，同時通過網際網路來實時傳遞布防撤防報警等狀態，通過電腦網路來查詢歷史記錄。 -
With the increasing requirements for detecting distance, photoelectric module, including light source and modulation, can be put under water to reduce the loss of light power in the optical fiber transmission and transmit the detected signal to the signal processing workstation on the shore. optical transceivers must be applied to realize the low - rate optical communication between the workstation on the shore and the long - distance photoelectric modules under water
隨著光纖水聽器陣列技術的發展，可將光源與調制部分作為遠程光電模塊置於水下，減少光纖傳輸過程中光波信號的損耗，而直接將光纖的探測信號傳回岸基工作站進行處理，以增加光纖水聽器的探測距離。 -
They may be compared to the weak signal coming in over a long-distance telephone line.
它們可以比做經過遠距離電話線而來的弱信號。 -
Therefore, aiming at the existent static and dynamic error of fcs sensor, the sensor characteristic compensation subunit is designed in the environment of labview using vi technique. the sensor signal disposal platform is also developed to realize the time domain measurement, frequency domain analysis, long - distance transfer and network release, etc. firstly, the static characteristic and nonlinear error of the sensor are analyzed
為此，本文針對飛控系統傳感器存在的靜態和動態誤差，利用虛擬儀器技術在labview環境下設計了傳感器性能補償環節，開發了傳感器信號處理平臺，對信號進行時域測量、頻譜分析、小波消噪、遠程傳輸和網路發布等。 -
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。 -
The system has been used in wood drying kiln production process since december 2002. high precise, real - time scanning, accuracy test is validated by operational result. reliability of measure result, convenience of fit and debug, long distance of signal transmission, lower price and capability of anti - noise are the performance characteristic of this system
半年來，實際運行結果表明，該系統能夠高精度、實時巡測窯內溫度、平衡含水率、木材含水率等乾燥過程基本參數，準確提供乾燥狀態信息，具有測量參數全面、測量結果可靠、系統功能豐富、安裝調試方便、信號傳輸距離遠、檢測精度高、成本低、抗干擾能力強等特點。 -
For medium or long distance underwater acoustic communication, the narrow bandwidth and low carrier frequency only supports low bit - rate signal transmission
對于中、遠距離的水聲通信而言，水聲通道的窄帶寬、低載波頻率特性只能支持較低的信息傳輸速率。 -
The designed base - station and substation ( dolly controler ) both have infrared interface which can beam and receive infrared signal. by accreting the beaming power, one base - station can control 64 set of substations at mostthe base - station and master pc computer is connected with rs - 485 interface, this fullfils the demand of long - distance and high - speed commnication
通過增大發射功率，一臺基站最多可控制64臺從站。基站與上位pc機之間採用rs - 485介面進行通信，可以滿足遠距離高速通信的要求。 -
The cable is manufactured on argon arc welding, crrugating and slotting production lind with the most advanced technolongy byslotting the holes along outer conductor axis, so the evenly - distributed rdlatively strong radiating signal in the close vicinty lf the cable along ts axis make it possible signal transimission, across long distance in uncovered area
50歐姆漏泄同軸電纜系採用現今最先進的氬弧焊、軋紋和可多向開槽設備，切削一組合適的外導體槽孔，使電纜周圍沿信號傳輸方向具有強度相對均勻的射頻信號，實現信號在分立天線盲區的長距離輸送。 -
Besides this, conferencing systems, additional led displays, additional lcd desktop systems, audio amplification systems, digital recording, image processing systems, signal processing and conversion systems, and long distance control systems must all be integrated
除此以外，還有遠程會議系統、 led輔助顯示系統、桌面液晶輔助顯示系統、音頻擴聲系統、數字錄音系統、多畫面圖像處理系統、音視頻信號處理切換系統、遠程監控系統等組成。 -
Second, the problems of long - distance data communication, signal attenuation, interference from outside in the measurement system
二、測試系統中遠程數據通信，傳輸線上的信號衰減及抗干擾問題。 -
In the user ' s control room, you can know the process of every strobe and water level in time, realizing the real _ time and flexibility of long _ distance monitoring, in this paper, we complete some reseach as follow : firstly, we lay out the hardware plan of long _ distance strobe computer monitoring system based on internet, which includes three sub _ systems : internet signal system, telephone signal system, below _ computer control system
在用戶控制室，能及時了解各個閘門、水位的情況，實現了遠程監控的實時性和靈活性。本文首先討論了基於internet的監控系統硬體方案，該監控系統由internet信號子系統、電話網信號子系統、下位機控制系統組成，通過結合internet技術，電話網通信技術，將整個監控對象集成化。 -
In transmit channel, power amplifier make the signal level more high in order to make electromagnetic wave transmit long distance
發射鏈路中，功率放大器對已調制信號進行功率放大，以保證更遠的通信距離。 -
Dtzziii - dc - tsh type controller is composed of debugging box and gathering controller box, which communicate by rs485. it is mainly used for less transmission signal losing and even more convenient debugging at the state of long distance signal transmission, biggish losing and debugging isnt convenient
Dtzz - tsh型電梯重量載荷指示控制儀由調試盒與稱重採集控制儀兩部分組成，兩部分通過rs485通訊，主要用於信號傳輸較遠損失較大，以及調試不方便的情況下，實現更小的傳輸信號損失更方便的調試。 -
Controller is composed of debugging box and magnetic induction 485 communication controller box, which communicate by rs485. dtzziii - dc - t type controller is mainly used for less transmission signal losing and even more convenient debugging at the state of long distance signal transmission, biggish losing and debugging isnt convenient
控制儀由調試盒與磁感應485通訊控制儀兩部分組成，兩部分通過rs485通訊，主要用於信號傳輸較遠，損失較大，以及調試不方便的情況下，更小的傳輸信號損失，更方便的調試。 -
With these optical transceivers, the workstation on the shore can receive the synchronization signal for synchronization demodulation of pgc and controls the long - distance photoelectric modules under water. in this thesis, a long - distance optical transceiver is designed to meet the above requirements. beginning with the principle of optical communication, characteristics of the basic optical active device are summarized firstly
為了實現pgc信號的同步解調與遠程水下光電模塊的監控，岸基工作站與水下光電模塊需要通過光收發一體模塊進行低速率、無中繼的雙工通信，因此本課題的主要工作是進行遠程水下光收發一體模塊的設計與實現。 -
Further more, according to the characteristic of long - distance real - time broadcast and the redundancy of video signal, the paper establishes a difference arithmetic on the basis of frame transform and then analyses the error, gives a correspond physical model in order to satisfy the demand of long - distance control for over - axis signal
並針對遠距離實時轉播的特點和視頻信號的冗餘性，在幀變換的基礎上引入了差值演算法，並進行了誤差分析，提出了相應的物理模型，以滿足對越軸畫面的遠程控制。 -
Freescale 56800 - series dsp ( digital signal processor ) combines the strengths of both dsp and mcu ( microcontroller ), and is a high - performance, low - cost 16 - bit dsp. 56800 - series dsp has found a way in many industrial applications such as motor control, power supply control, long - distance metering, and automation, to name a few
Freescale56800系列dsp是具有dsp的特點和單片機功能的高性能、低價位16位數字信號處理器，在電機控制、電源控制、遠程儀表、自動化等領域得到廣泛應用。 -
This paper discusses the possibility of using phase - coded technology in the long distance radar, which mainly faces the problem of signal sidelobe in the large dynamic range, and the problem of getting along with the phased array technology
本文討論將相位編碼雷達用於遠距離觀測雷達上的可能性，主要需考慮大動態范圍下信號旁瓣影響問題及相控陣處理融合問題。
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