burst signal 中文意思是什麼
burst signal
解釋
彩色同步信號-
The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well
從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。 -
The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system
模擬結果表明，採用行列交替約束的約束維特比譯碼以後，性能得到較大的提升，尤其在突發錯誤通道中，傳輸的圖像經乘積編碼進行通道編碼與譯碼后峰值信噪比有明顯的提高。 -
In allusion to the working characteristics and technical difficulties of 155mb / s burst mode receiver, we have put forward to the quick synchronization of inpouring phase locked loops ( pll ). for receiving burst signal, we introduce the scheme of dc coupling and dynamic threshold decision
針對155mb s突發式收發模塊的工作特點和技術難點，我們提出了注入鎖相環法的快速同步技術；對于突發式信號的接收，我們採用了直流耦合和動態閾值判決的技術方案。 -
Establishment of real - time vessel tracking system for all large vessels - using automatic identification system ( ais ) coupled with inmarsat - c / or hf capability on vessels ( or other technology as appropriate such as meteor burst signal technology ) - and continuous tracking of all such vessels by us coast guard
利用跟蹤系統對所有大型船隻進行跟蹤，美國海岸警衛隊使用自動鑒別系統及其他相應的技術對所有的船隻進行跟蹤。 -
When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt
上電復位后，晶元處于接收狀態，工作在突發模式下，採用dpsk調制方式，將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調，通過中斷將解調完的基帶信號送入單片機處理；處于發送狀態時，可將數據擴頻、調制，經ad9768送出。 -
Methods of estimating baud rate, signal to noise ratio ( snr ) and reference phase are investigated. a modified euclidean algorithm is proposed to estimate baud rate of the burst packets. a cumulant based algorithm of estimating snr of star - qam is proposed which has better estimation performance in medium scope of snr
研究了自適應調制中波特率，信噪比和載波相位等參數的估計演算法；提出一種基於修改的歐幾里得演算法的波特率估計演算法，這種演算法可以對突發分組的波特率做出準確估計；提出一種星型qam信號的信噪比估計演算法，在中等信噪比條件下，具有較好估計性能。 -
Abstract : this paper introduces the principles of doppler radar signal processing method in the modulation. it provides the processing method for projectile tracer time, the burst time, rocket engine working time, projectile spin and flight attitude from signal of doppler radar
文摘:介紹了測速雷達調制域彈道信息處理方法的工作原理，詳細論述了從測速雷達信號中處理彈丸曳光時間、底排燃燒工作時間、火箭發動機工作時間、彈丸旋轉速度、飛行姿態角和擺動周期等彈道信息的方法。 -
Only when olt receives the first few bits of the uplink burst of onu and achieves the bit synchronization can the onu signal be restored
Olt必須在收到onu上行突發的前幾個比特內實現比特同步，才能恢復onu的信號。 -
In a tdma network, multiple users share the common medium ( or channel ) and bandwidth but different intervals of time. in case of the burst mode, the carrier of the modulated signal needs to be synchronized in a very short time. the common approaches such as a costas - loop and so on are no longer suitable any more
在一個時分多址（ tdma ）通信網路中，多個用戶通過不同的時間段共享一個傳輸線路（或者通道）的帶寬資源，每個用戶只能在分配給自己的時間段內進行通信，這種突發方式信號的解調要求載波恢復要在很短的時間內完成，我們以往在連續信號解調器中採用的costas環等方法很難適應這種要求。 -
The design and application of ad6640 and ad6624 are fully discussed in this part. the design of software module includes the parameter design for ddc filter and the baseband signal processing of dsp. and the realization of the viterbi channel decoding algorithm by dsp and the simulation of the burst at the transmitter are discussed
模塊的硬體設計主要包括： a d轉換器、數字下變頻器（ ddc ）以及dsp ，詳盡討論了a d器件ad6640和ddc器件ad6624的設計和應用；模塊的軟體設計主要包括： ddc濾波器參數設計和dsp的基帶信號處理，給出了viterbi通道譯碼演算法dsp實現和發射端突發形成的模擬實現。 -
The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip. in testing, the tcm can improve the signal - to - noise by 3. 3db compared with uncoded 4 - vsb modulation, and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding, system can control short burst noise error efficiently
在高清晰度電視通道接收晶元中內碼是8 ? vsb的格狀編碼，在系統性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益，另外在格狀編碼中加入了12路的內交織，可有效的抑制短的突發噪聲對接收端viterbi解碼性能的影響。 -
Logarithmic sweeps can be performed with a programmable frequency marker signal. programmable burst count and gating allow you to further customize your signal
帶有可編程頻率標記的線性和對數掃頻信號，可編程的脈沖列計數和選通能使您進一步自定義信號 -
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。 -
The burst mode optical transmitter and receiver module are used to transmit and receive the upstream burst - mode optical signal
Apon系統中所用的突發式光收發模塊就是應用於對系統上行通道的突發光信號發射和接收。 -
Secondly, based on the analysis and simulations of the doppler time - shift for chirp - subpulse stepped frequency signal, this dissertation analyses the velocity compensation method for moving targets in chirp - subpulse stepped frequency signal, and presents a method for compensation of targets ’ velocity base on the least burst error rule
其次，本文對chirp子脈沖頻率步進信號的多普勒效應進行了分析和模擬，在此基礎上，分析了對其進行運動補償的思路，提出了採用最小脈組誤差準則進行運動補償的方法。 -
The network architecture of point - to - multipoint and the working mode of tdma ( time division multiple address ) of apon make the upstream signal works in burst mode
Apon的這種點到多點的網路結構和時分多址的工作方式決定了其上行信號是以「突發」方式工作的。 -
It works often in burst mode. the signal channel is complex and large. several protocols can be applied to the system : fixed addressing, committed addressing and stochastic addressing ( aloha ) protocols
系統使用的多址協議可以是固定分配地址的、按需分配地址的或者是隨機接入的，這三種方式中，當網路用戶數量大而業務量小，用戶間歇工作時候，隨機接入多址技術簡單而高效。 -
Because of the alternate between warm and cold water around the circuits, the positive ( negative ) anomaly signal in equatorial western pacific coexists with negative ( positive ) anomaly signal near 10 in eastern pacific before the burst of el nino ( la nina ) event
冷、暖海水沿msta在北平球熱帶海洋中形成一個冷、暖水相交替的環路，而在赤道上就表現為elni （ -
Chapter 5 particularly introduces basic principle of the circuit of the burst mode signal generator used for the testing of the burst mode optical transmitter and receiver module
第5章詳細介紹了為實現對突發式光收發模塊的測試而設計的突發信號模擬產生器的基本原理與各部分功能電路的實現。 -
To transmit and receive the signal successfully, both the receiving and the transmitting terminal need to use special technology. the burst mode optical transmitting and receiving technology is one of the key techniques used in apon system
要想成功地實現對突發信號的收發，收發端都要採用特殊的技術，因此，突發模式的光電收發技術是apon系統的關鍵技術之一。
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