echo principle 中文意思是什麼
echo principle
解釋
回聲原理-
Based on the analysis and study of the primary principle and countermeasure process of the underwater acoustic countermeasure equipments, the mathematical models of the typical underwater acoustic countermeasure equipments such as the wide - band noise jammer target radiation noise simulator echo simulator and the gas bubble are presented
在詳細分析、研究水聲對抗器材有關基本概念、基本工作原理及對抗過程的基礎上，歸納、總結了噪聲干擾器、目標輻射噪聲模擬器、主動回波模擬器及氣幕彈等當前典型水聲對抗器材的數學模型。 -
According to the principle of ultrasound detection, this thesis describes a high - speed sampling system for ultrasound emergent wave and echo wave
摘要根據定量超聲波檢測原理，闡述了一種針對超聲波發射信號和回波信號的高速採集系統。 -
This echo-location in bats is often compared with radar, the principle of which is similar.
人們常把蝙蝠的這種回聲定位與雷達相比較，因為它們的原理是相似的。 -
Then an overview of the principle of sar is given, the computer model of the radar echo is discussed in detail, the simulation result of the ideal static point target and ideal static distributed target based on the computer model are presented
在闡明合成孔徑雷達基本原理的基礎上，深入地探討了合成孔徑雷達的回波模型，並藉助此模型分別進行了理想靜止點目標和分佈目標的回波模擬。 -
This paper is intended to discussion mainly focusing on the six points : the space layout of the garden ; the environmental design, exemplified nature and architecture, the outer and interior decorations in the overall composition ; the guiding principle of gardening, propagating the philosophical view of the confusions " marriage of the soul with nature " ; the dialectical thoughts value added to principle elements of gardens, such as inspired by nature, suitable measurement to local condition, showing and hiding, density and spacing, far and near, ideology guiding practice. . the gardening elements of unity and coherence of space which is mutually penetrated ; the gardening elements of space alignment, such as " views echo with one another, scenes appear at every turn " generally, from the angle of space designing, the paper is trying to provide materials data for understanding and studying for suzhou classical gardens, their imagination - inspiring atmosphere, superb artistry, rich cultural contents as well as gardening artistic characteristics
蘇州園林作為一門空間藝術具有獨特的魅力，作為文化載體，它積淀了豐厚的文化底蘊。本文主要就其庭院式的空間布局，建築與自然、室內與室外融為一體的環境設計；充滿人文精神的中國儒道「天人合一」的造園思想；因地置宜、順應自然、藏露疏密、虛實遠近、變化統一的辯證思維；相互滲透的空間層次，步移景移的時空間序列的表現手法等問題進行闡述。力求從蘇州園林空間設計的一個側面，去揭示其藝術的特徵、文化的內涵、造園的藝術規律。 -
Firstly, the principle of high resolution sar 、 the theoretical imaging model and the point target model were concisely introduced, and we discussed some algorithms for the sar echo simulation
本文首先分析了合成孔徑雷達高分辯力成像機理、 sar成像理論模型和點目標回波模型，討論了幾種sar回波的模擬演算法。 -
The instrument adopts the theory of ultrasonic echo for quickly scanning river bed topography under water and employs the principle of resistance for measuring river bed topography upon water and shallow beach topography, which increases the measuring speed effectively and decreases the disturbing influence on river bed
該儀器採用超聲測量原理實現了水下地形的無接觸快速掃描測量，採用阻抗原理實現了洲灘、邊灘、淺灘的地形測量，有效提高了測量速度，並減小了對河床的擾動影響。 -
The system is based on ultrasonic multiple pulse - echo principle, the control circuit of sonic circulation, can improve the precision of measurement by extending the time of detection
本系統以超聲波多次脈沖反射法測距原理為基礎，設計聲循環反射控制電路，達到以延長測量時間為代價提高測量精度的目的。 -
The problem for simulation of sar raw signal and the terrain - echo simulation are discussed. the principle of high resolution imaging is analysed
論文從建立合成孔徑雷達回波模型入手，分析了合成孔徑雷達高解析度成像的基本原理。 -
The methods of data association and tracking beginning and ending to single and multiple targets tracking in the multi - echo environment is listed. at the end of the thesis, a method is introduced, which is that based on the most closed principle, without the chosen echo, the current forecasting values added yawp based upon the former state values is considered as the target state estimated value. the value is an input of observation equation, the output of the observation equation is considered a chosen echo. and the method is validated in the simulation results
針對多目標跟蹤問題，首先對多目標跟蹤的原理和跟蹤門的形成方法進行了概述，並對多回波環境下單目標跟蹤和多目標跟蹤的常用的數據關聯方法和跟蹤起始、跟蹤終結方法進行了介紹，在本文的後半部分，對多目標的運動狀態進行了模擬研究，提出了一種目標狀態估計方法，該種方法的思想是當前時刻如果目標跟蹤門內沒有所期望的候選回波，首先計算出目標在前一時刻的運動狀態下對當前時刻的預測值，並將該值疊加上系統噪聲作為量測方程輸入值，然後將觀測值作為候選回波對目標進行狀態估計。 -
The principle of algorithm for checksum is exhausted. the function of echo request and reply is implemented only for the adjective icmp
闡述了校驗和演算法的原理，附屬協議icmp ，只是實現了回顯請求/應答功能。 -
The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly. 4
從對目標坐標測定儀中激光回波率的分析入手，闡明了應用圖像取差原理極大地提高了測距系統的回波率的原因。 -
First of all, this paper introduces the whole design project and interrelated knowledge about non - destructive detection, ultrasonic detection, and phased - array ultrasonic detection then the paper depicts the principle of phased - array focus and abstracts a set of math model and feasible arithmetic on the base of the real parameter of the system. put forward several problems that exist during the course of system development and program. introduce some measures of distinguish that are often used in non - destructive detecting and echo wave crest
然後在文中以較大的篇幅，描述了相控陣聚焦的原理，並根據該系統的實際參數，抽象出一套數學模型和可行的演算法，在此基礎上提出了在系統開發過程及編程實現過程中存在的一些問題；介紹了在無損檢測中缺陷的分類和對回波峰常用的識別方法，詳述了系統開發過程中使用的其中一種識別方法，即判別是否存在缺陷的演算法，並給出實現之的部分核心程序；詳述主控程序如何控制各部分並協調各相關軟體的工作，使整個系統發揮最高效能，並給出主要設計框圖和程序。 -
Therefore, it is necessary for guaranteeing the quality of steel plate to detect and repair the roll profile timely and exactly. this paper presents the sonic circulation and multi - pulse echo principle and designs roll profile ultrasonic measurement system based on the analysis of 3d surface measurement technology and roll profile measurement methods
本文在分析了三維面型檢測的發展現狀及目前輥型的檢測方法的基礎上，提出了聲循環多次脈沖反射測量原理，並以此為基礎設計了上位機化的超聲波輥型測量系統。 -
Chapter two introduces the principle of impulse radar and the digital information acquires method of embedded radar, including the sampling of echo and the acquisition of angle
第二章論述了脈沖式低解析度雷達的工作原理，以及嵌入式雷達中信息的數字化錄入，包括對回波的采樣和方位數據的錄入。
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