code of signals 中文意思是什麼

code of signals 解釋
信號編碼
  • code : n 1 法典;法規。2 規則,準則;(社會、階級等的)慣例,習俗,制度。3 (電)碼,代碼,密碼,暗碼;...
  • of : OF =Old French 古法語。
  • signals : 信號
  1. By using signal sets and a signal mask, the critical region of code can be protected from a specific set of signals, as follows

    通過使用信號設置和信號掩碼,代碼的關鍵區域可以被保護起來不受一組特定信號的影響,如下:
  2. At first the merits and implementation of the digital pulse compression subsystem are introduced in this paper. then the characteristics of phase coded signals are discussed and the two classic binary phase codes ? ? barker code and m - sequence are dealt with in details in the following

    文中首先綜述了數字脈沖壓縮的優點及其實現方法,接著討論了相位編碼信號的特點,並詳細分析了巴克碼和m序列這兩類典型的二相碼信號。
  3. Firstly, the steering vector of mainpath of desired user is estimated by using code filtering method, then dummy signals are introduced, main lobe of wave is built by using the steering vector of mainpath of desired user and side lobes is constrained by using dummy signals

    該方法首先利用碼濾波的方法估計期望用戶主徑的波達方向,然後引入虛擬信號,利用期望用戶主徑的波達方向形成波束的主瓣,並利用虛擬信號抑制旁瓣。
  4. It can provide many functions : the conversion between transfer formats, the conversion between communication protocols, the conversion between analog signals and digital signals, the conversion of control commands, real time audio code / decode, ip call control, control of rtp / rtcp, call detail logs, accounting and some of gatekeeper ' s functions such as address tansfer / search.

    它提供以下功能:傳輸格式間的轉換,通信規程間的轉換,音頻、數據格式轉換,呼叫控制信令的轉換,對pstn的呼叫控制功能, pstn電路交換功能,實時語音處理語音壓縮功能, ip網路呼叫控制功能,對實時對話協議rtp rtcp的控制功能,呼叫日誌,計費功能,還包括關守的地址翻譯搜索等功能。
  5. The performance targets of acquisition and tracking : the code rate of pseudorandom signals is 1m - 5mhz, the code length is 255. 511, the receiving sensitivity is - 118dbm, the dynamic range is 70db. the doppler of carrier is 75khz, the time that 10 targets are captured within 0. 2s

    捕獲和跟蹤的性能指標:偽隨機信號碼率1m 5m比特/秒,碼長是255 、 511 ,接收靈敏度是- 118db ,信號動態范圍是70db載波普勒是75khz ,目標捕獲在0 . 2秒內。
  6. This system can process linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and taylor quadriphase code signals with time width under 42 s and band width under 5mhz. the experimental results demonstrate that the specification characteristics meet the requirements of practical radar systems

    該系統可處理時寬在42 s以內?帶寬在5mhz以下的線性調頻信號( lfm ) ,非線性調頻信號( nlfm )和taylor四相碼信號,且技術指標完全滿足實用系統的設計要求。
  7. In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable

    在wcdma系統中,為正確解擴解調接收到的擴頻信號,接收機本地產生的擴頻碼( pn碼)相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙,總是經過折射或反射的多條路徑后才到達接收機,從而產生多徑通道。
  8. This paper analyses deterioration model of bar code signals after the point spread function convolution, and presents two kinds of recognition algorithm in correspondence to different bluring degrees of bar code signal : one based on midpoints detection and the other based on waveform analysis

    分析了條碼信號經過點擴展函數卷積后的降質模型。針對條碼信號模糊程度的不同,提出兩種識別方法:基於中點檢測的條碼識別方法和基於波形分析的條碼識別方法。
  9. A sheme of two code - rates tcm - qam with high coding gain is presented, its signals space is mapping for 90 rotationally invariant codes ( ric )

    摘要提出了一種適用於慢變通道的雙碼率tcm - qam系統方案,該方案有較高的編碼增益,同時滿足90旋轉不變要求。
  10. The whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of spwm and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the synthesizable and reusable code. the functional stimulation uses the nc - verilog of cadence

    系統設計是基於spwm的實現演算法和設計指標要求,對系統劃分模塊和對各個模塊進行信號連接;模塊設計是設計每個模塊內部電路結構,並用verilog語言編寫可綜合可復用代碼;功能模擬使用的工具是cadence的nc _ verilog ,首先對每個模塊進行功能模擬,模擬通過之後,把所有模塊代碼組合在一起,構成整個系統代碼,在外部輸入埠加激勵,對整個系統進行功能模擬。
  11. The main process includes following : system design, module design, function simulation, time simulation and hardware verification. the whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of uart and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the code

    系統設計是基於uart的實現演算法和設計指標要求,對系統劃分模塊以及各個模塊的信號連接;模塊設計是設計出每個模塊的功能,並用verilog一hdl語言編寫代碼來實現模塊功能;功能模擬和時序模擬使用的工具是以dence的nc _ veri109 ,首先對系統的每個模塊進行功能和時序模擬,模擬通過之後,將整個系統的代碼在外部的輸入埠加上激勵,對整個系統進行功能和時序模擬;硬體驗證是用fpga對系統進行了功能驗證。
  12. Simulation of synchronization algorithm of satellite p - code signals for gps

    碼信號同步演算法的模擬研究
  13. In order to keep the signal transmission unfailing, bch error - correcting code is applied in the system. this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally. it optimizes the transmission circuit for control signals and solves the problem of time - delaying, thereby it promotes the transmission more efficiently and economically

    這種新型的應用電視在不影響電視正常播放和不增加電視傳輸帶寬的前提下,將控制信號搭載在視頻信號通道上運行,優化了控制信號傳輸線路,解決了時延問題,達到了利用電視信號逆程資源的目的,真正意義上實現了單纜傳輸監控系統,促進了監控系統的高效化和經濟化。
  14. One important feature of radio signals ’ is that the signals are easy to catch and to disturb. in order to disturb the radio signals, parameters, including code rate, modulation, protocol, protection methods and channel coding, about satellite ’ s signals should be known. so, it is possible to receive the data from satellites and obtain lots of information from it, and even to destroy the undesired information

    衛星通信系統的遙控遙測信息都是通過無線通道傳遞,而無線電信號的一個很重要的特性就是發射易被接收、易被干擾,實現干擾的前提是對衛星信號參數的極大了解,這包括明確信號的碼速率、調制方式、所用協議、保密措施及通道編碼等,因此,通過接收衛星數據以獲取大量的未知信息,甚至破壞掉對己的不利信息就成為可能。
  15. The training referred to in paragraph 1 of this guideline should be based on the contents of the most recent editions of the [ i ] international medical guide for ships [ / i ], the m [ i ] edical first aid guide for use in accidents involving dangerous goods [ / i ], the [ i ] document for guidance ? an international maritime training guide [ / i ], and the medical section of the [ i ] international code of signals [ / i ] as well as similar national guides

    本導則第1款所述的培訓應建立在以下文件最新版本的內容的基礎上: 《國際船舶醫療指南》 、 《用於涉及危險品事故的醫療急救指南》 、 《指導文件?國際海事培訓指南》 ,以及《國際信號規則》的醫療部分及類似的國家指南。
  16. Ds signal is twice modulated with the rapid pseudorandom noise sequence and the carrier. so it appears cyclostationary. in the field of spectral correlation, ds signals appears its characteristic as fallows : for the amplitude of spectral correlation, the information of carrier frequency and pn code rate are contained on the spectrum frequency equal to zero sheet, and also the pn code rate is contained on the sheet of spectrum frequency equal to carrier frequency ; for the phase of spectral correlation, the information of carrier initial phase is contained on the sheet of cyclic frequency equal to double carrier frequency

    Ds信號是經過高速偽隨機序列和正弦載波二次調制的寬帶信號,因此具有周期平穩特性,它在譜相關域表現為:幅頻特性在譜頻率等於零截面切片上包含了載頻和偽碼速率信息特徵,在譜頻率等於載頻截面切片上包含了偽碼速率信息特徵;相頻特性在循環頻率等於兩倍載頻截面切片上包含了載波初相信息特徵。
  17. Code of practice for remote centres receiving signals from security systems

    遙控中心接收安全系統信號的使用規程
  18. Direct sequence spread spectrum ( ds ) signals have been widely used for secure communication and mobile communication known as code division multiple access ( cdma ) system. because ds signals have many advantages such as anti - jamming capability, low probability of interception, multiple access capability and so on

    直接序列擴頻通信具有低截獲概率,抗干擾能力強以及實現碼分多址等優點,因而在抗干擾通信及民用移動通信中得到廣泛的應用。
  19. International code of signals is used to provide ways and means of communication in situations related to safety of navigation and people, especially when language difficulties arise

    國際信號準則的訂立是為海上航行安全及不能使用語言的情況提供一個溝通的方法。
  20. Therefore, as a matter of principle, i strive to write code that signals exceptional conditions as soon as possible and attempts to recover only from exceptional conditions that do not indicate bugs in the program

    因此,作為準則,我努力編寫可以盡快通知異常情況的代碼,並且嘗試著僅從沒有指示程序錯誤的異常情況中恢復。
分享友人