接收信號電平 的英文怎麼說
中文拼音 [jiēshōuxìnháodiànpíng]
接收信號電平
英文
rsl received signal level- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 收 : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
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As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元,包括模擬信號處理(含模數介面模塊)和數字信號處理兩大模塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效數字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。The use of balanced transmission lines can help but if the signal bandwidth extends to dc there will be a need for a very high performance instrumentation amplifier at the receiving end to restore a ground referenced signal
採用平衡傳輸線有助於改善信號完整性,但是對于帶寬延伸到dc的信號,接收端要靠超高性能的儀表放大器來還原參考電平。One forward optical receiver module takes one slot, after power double - amplification inside, send out 1 way rf signal 104dbuv and 1 way level checking signal, or two - distribution output
一個正向光接收器模塊佔一個槽位,內置功率倍增放大,輸出1路射頻信號104dbuv和1路電平檢測口,或二分配輸出Rslreceived signal level
接收信號電平Through the reaserch of the paper, a satellite transmission and television signal incepting system using stabilization platform which is used on the moving carrier ( vehicle, boat, ship etc ) has been designed. it uses an embedded system which is based on arm7tdmi core microcontroller and c / os - ii real - time operating system to control and scout the movement of the antenna stabilization platform, can realize the real - timable and reasonable stance control of the antenna, and then can realize the real - time communications and the signal receiving between the satellite and the moving carrier
3 .通過論文的研究,開發出了一種用於移動載體(車、船、艦等)上利用穩定平臺來進行衛星通信與電視信號接收的系統? ? 「動中通」移動載體衛星通信與電視接收系統。該系統採用基於arm7tdmi核微控制器和c / os - ii實時操作系統的嵌入式系統來控制天線穩定平臺的運動,可以實現對天線實時而合理的姿態控制,從而實現移動載體與衛星之間的實時通信和信號接收。Special function will be implemented by downloading special software into the hardware platform, and the system can be constantly upgraded by continually upgrading the software. the author programs all the software which defines all the functions of if digital receiver taking fm receiving as example, which makes it the if digital unit of ultrashort fm transceiver
通過向這個通用硬體平臺上加載相應的軟體完成特定的通信功能,通過對軟體的升級可以對這個系統不斷升級,作者設計了使這個硬體平臺完成調頻信號數字接收機功能的全部軟體,使這個硬體平臺可以作為軟體無線電超短波調頻電臺的中頻數字化模塊,承擔調頻信號的數字解調。( 3 ) the features of the low frequency time - code receiver are digital, high performance and high precision. on the basis of the testing flat of low frequency time - code, we designed a low frequency time - code receiver based on software radio
在前面已經實現的低頻時碼信號測試平臺的基礎上,對設計一種基於軟體無線電模式的低頻時碼接收終端作了初步的探討,為今後的全數字化接收機的實現打下一定的基礎。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。Computer control system incepts two video signals, real - time disposes video, obtains undershoot values and relative distortion of vessel by combining two measurement results
計算機控制系統接收兩組光電自準直平行光管的視頻信號,進行實時圖像處理,得出動態脫靶量,並對兩路圖像的測量結果進行疊加得出艦艇的相對變形量。Finally, basing on the if sr receiver subsystem hardware platform, by ad6620 programming on the line and tms320c6713 loading the digital signal quadrant demodulation program, the thesis having realized the demodulation of the am signal, which validates the key thinking of software radio
.最後,本文基於中頻軟體無線電接收機子系統硬體平臺,通過ad662o的在線可編程、 tms32oc6713加載數字信號正交解調程序,實現了對中頻am信號的解調,驗證了軟體無線電關鍵思想。Anti - jamming capability of interferometer direction finder with multi channel receiver is analyzed and studied. measures for control co - channel jamming are given : reduce intererence strength by antenna character, change gate level of receiver, alter df bandwidth, make use of the pause function of display and a type of filter
提出了抗同波干擾的若干措施:利用天線的方向圖抑制干擾信號、改變接收信號的門限電平、改變測向帶寬、利用屏幕顯示的暫存功能、倒譜同態濾波方法等。The paper designs a type of circuit which combines gps receiver with computer by means of the icl232 integration chip. it achieves deliver and receiver at the same time. it gives receiver program chart
採用icl232單電源集成電路晶元設計gps接收機與微型計算機介面電路,可以同時實現發送和接收信號的電平轉換,並給出了接收的流程圖。The selection of the pn sequence is very important because it influences the quality of the channel measurement directly. so it is discussed in this paper. because this system is a set of software radio, that is to say that the system is based on the pc platform and all other function is implemented by programming, so the selection of correlation fast algorithm, which is used in receiver frequently, is also very important
本文對直序擴頻技術進行了系統地研究,對其中偽隨機碼的選擇直接影響到通道測量的質量的問題進行了討論,因為本系統是一套軟體無線電,即以pc機為平臺,其他的功能都由軟體編程完成,所以對信號接收中大量使用的相關的快速演算法的選擇也至關重要。Addressable - able to signal from the headend or hub site in such a way that only the desired subscriber ' s receiving equipment is affected, making it possible to send a signal to a subscriber to change their level of service ( e. g. adding a new premium channel )
有選址功能的- -有選址功能的有線電視設備,能從有線電視設備前端或電線插孔發出節目信號,只有那些有需求的用戶的接受設備才能收到此信號,這就能做到向用戶發出信號來改變他們的服務水平,比如增加一個新的付費頻道等。A balanced differential line receiver senses the voltage state of the transmission line across two signal input lines, a and b
譯為: 「平衡差分線路接收器感測的是通過兩個信號輸入線a和b的傳輸線上的電壓狀態」 ?On the one hand, the receiver must be self - adaptive to set as fast as possible the " 0 " and " 1 " bit level judgement threshold in a dynamic way ; on the other hand, the transmitter of onu should take some measures to minimize and compensate for the burst delay. the optical burst transmission circuit is thus required to switch on and off the laser in a snappy way to ensure fast signal sending. in that sense, the laser must be designed with a superb response speed
一方面,接收機必須具有自適應功能,能以最快的速度動態調定" 0 " 、 " 1 "比特電平判決門限;另一方面, onu的發射機應該採取-定的措施減小和補償突發時延,其光突發發送電路要求能夠非常快速地開啟和關斷激光器,迅速發送信號,所以,它需要使用響應速度很快的激光器。Receive signal level
接收信號電平Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically
本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。The lna is one of the most important and broad components in microwave communication system receiver, and is used to amplify the low level signal. as the first signal processing block after the antenna, the lna determines the noise figure and input voltage swr and greatly impacts the dynamic range
低噪聲放大器( lna )廣泛應用於微波接收系統中,是重要器件之一,主要用來放大低電平信號,由於是自天線下來第一個進行信號處理的器件, lna決定了整個系統的噪聲性能和電壓駐波比vswr ,並對動態范圍有著較大的影響。In receive channel, the low noise amplifier make the signal which received from the antenna enough strong to demodulation
而低噪聲放大器用於接收鏈路中放大天線接收到的微弱信號,使信號電平達到解調單元所能分辨的電平。分享友人