signal torpedo 中文意思是什麼
signal torpedo
解釋
響墩-
The context in this paper includes the tactical demand of modern torpedo homing system, the advanced algrithm, the application of dsp in torpedo homing system outside country and the basic algrithm of homing signal processing. the basic structure of dsp signal processing procedure, homing and its algorithm assembly flow chart is also introduced in this thesis
本文介紹了現代魚雷自導戰術要求、先進演算法及國內外dsp在魚雷自導中的應用現狀；闡述了魚雷信號處理的基本演算法；並對dsp的結構及其應用作了詳細的說明；還介紹了各dsp信號處理模塊的基本結構、自導流程圖及某種魚雷自導演算法的流程。 -
The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。 -
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。 -
In this paper, real time torpedo homing system. which is based on adsp ? 2106x to be discussed. high speed signal parallel processor system is researched, it is made up of intel 80c186eb processor main board and adsp _ 2106x. it can be come true using this system for the accuracy parameter estimation of underwater target which moves on high velocity
本課題是以高速并行數字信號處理晶元adsp ? 2106x為核心，以intel80c186eb微處理器構成的cpu模塊為主控板，構成完整的高速并行數字信號處理機硬體系統，該硬體系統可以成功地實現現代魚雷自導的水下高速運動目標參量實時精估演算法。 -
Torpedo self - guided array signal source is a multichannel, array signal sending signal source, which is the important part of torpedo self - guided system
魚雷自導陣列信號源是一種發射陣列信號的多通道信號源，它是魚雷自導系統的重要組成部分。 -
They are similar in both hardware and software. as far as technic parameter is concerned, self - guided system detecting signal source is more difficult than signal source inside torpedo
兩者在軟硬體上有諸多相似之處，而在各項技術要求上，自導系統檢測信號源要高於雷內信號源。 -
From the research phase to the product, the torpedo self - guided system needs two important signal sources - - - - signal source inside torpedo and self - guided system detecting signal source
魚雷自導系統從研製階段到最後投入使用的過程中，需要兩種信號源? ?雷內信號源和自導系統檢測信號源。 -
Taking self - guided system detecting signal source for example, the paper has studied deeply the technology of torpedo self - guided array signal source, which includes : 1. signal synthesizing agrithm for torpedo self - guided array signal source is studied
本文以自導系統檢測信號源為研究對象，對魚雷自導陣列信號源技術進行了深入研究，主要內容包括: 1 .研究了魚雷自導陣列信號源的信號合成演算法。 -
Higher capabilities were put forward for detection, identification and anti - interference of torpedo in future naval battle. compared with the narrow - band processing, wide - band processing is a new direction for underwater signal processing for its advantages including abundant information of wide - band echo and little correlation of reverberation
未來海戰對魚雷在探測目標、識別目標和反對抗能力方面提出了更高的要求，而寬頻帶回波信號具有攜帶目標信息量大，混響背景相關性弱，利於檢測、識別目標等優點，因此自導系統發展的方向是寬頻帶自導。 -
The convergences of these algorithms are proved in theory. their output signal - to - noise ( snr ) is derived and bigger than that of the traditional adaptive line enhancer ( ale ). simulation with the torpedo - radiated data indicates that the proposed algorithms are much better than the ale and the short - time correlation based adaptive line enhancer ( scbale ) in suppressing gaussian noise and enhancing spectrum feature
對該演算法的收斂性能進行了嚴格的證明，推導了該演算法輸出信噪比的計算公式，證明了該信噪比總是大於基於lms的自適應線譜增強器的輸出信噪比，定義了評價演算法性能的若干參數。 -
4. lastly, each performance index of torpedo self - guided array signal source is tested by experiment and system error is analyzed
4 .通過實驗，測試了魚雷自導陣列信號源的各項性能指標，並進行了誤差分析。 -
On the basis of summarization of the simulating technology of sonar signal, the paper brings forward the mathematics models of radiate noises of ships and torpedo, and simulates in computer ; tests the correctness of some pivotal methods through the simulation, on the basis of which, system scheme being brought out ; a parallel processor with twelve sharcs, combining with parallel processing theory and topographic configuration, is used to realize the algorithm of noise simulation on the basis of research on optimum distribution of algorithm and method of embedment in real time ; at last, gui, realized with vc + + language, is used to set parameters and control the whole parallel system flexibly and conveniently
本文在綜述聲納信號模擬技術的基礎上，首先提出艦船和魚雷輻射噪聲的模擬數學模型，並進行了計算機模擬實現；通過計算機模擬驗證了一些關鍵技術的正確性，並由此提出系統實時實現方案；構造了一個12個處理器的并行處理機? sharc陣列，結合併行處理理論和sharc陣列的拓撲結構研究了有關模擬演算法的最優分配及其嵌入整個聲納系統的方法，實時實現了噪聲模擬演算法。最後，使用vc + +語言編寫人機界面，靈活、方便地進行參數設置以及對整個并行處理系統進行控制。
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