radar point 中文意思是什麼
radar point
解釋
雷達站-
Assessment of radar radiant point menace in anti - air attack battle
部分指標值未知的空中目標威脅評估模型 -
Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation
第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。 -
The centre of the image is the location of the weather radar site at tai mo shan. chek lap kok is located near point b
圖中影像中心是氣象雷達位置，赤?角位於b點。 -
The three kinds of simulated point targets are designed and the rangeprofiles at aspect angle are computed. the radar target recognition method based on the optimal cluster centers is simulated and studied. it is discovered that the algorithm is effective when there are lots of training data, but noneffective when there are only a few training data
2 、對最優聚類中心目標識別法進行模擬實驗並研究其識別性能，實驗結果表明該演算法在大樣本訓練數據時能得到較高識別率，是一種有效、可行的識別演算法，但在少樣本訓練數據時，所得識別率急劇下降。 -
From our vantage point, the reality of pay - per - click fraud is merely a blip on the radar screen
站在對我們有利的點來看，按點擊量付費的一些欺騙行為實質上僅僅是雷達屏幕上的一點而已！ -
In addition, airway winds, which are essentially grid - point wind and temperature data over the south china sea for 15 flight levels between 10, 000 and 43, 000 ft, are disseminated to the radar data processing and display system ( rdpds ) of the cad for calculation of the expected arrival time of aircraft at check points
除此之外，氣象數據處理系統將飛機航道風的數據傳送至民航處的雷達數據處理及顯示系統，這些數據是風和溫度的網格點值，其水平范圍覆蓋南海，垂直范圍是由10 ， 000至43 ， 000尺之間的15個飛行高度；以上資料可用來計算航機抵達各定位點的時間。 -
In addition, airway winds, which are essentially grid - point wind and temperature data over the south china sea for 15 flight levels between 10, 000 and 43, 000 ft, are disseminated to the radar data processing and display system rdpds of the cad for calculation of the expected arrival time of aircraft at check points
除此之外，氣象數據處理系統將飛機航道風的數據傳送至民航處的雷達數據處理及顯示系統，這些數據是風和溫度的網格點值，其水平范圍覆蓋南海，垂直范圍是由10 ， 000至43 ， 000尺之間的15個飛行高度以上資料可用來計算航機抵達各定位點的時間。 -
Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target
Arm的導引頭一般為單脈沖體制，因此，相干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾，不同的是:對雷達的干擾都是遠場，而導引頭隨著導彈不斷接近目標，兩點源與導引頭的相對位置發生劇烈變化，由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化，相位波前的畸變產生干擾，這就是相干兩點源誘偏的基本思想。 -
Figure 9 : radar image overlaid with air - route check - point maps
圖8 :雷達圖像加添了飛行航道檢查點圖 -
This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast
本文分析了幾種典型的連續波雷達信號的特性，介紹了多普勒雷達的原理和應用；研究了偽隨機編碼信號的產生和數學特徵，著重分析了偽碼調相連續波雷達信號的頻譜，及其在雷達測距、測速方面的應用；研究了單脈沖幅度比較體制在雷達測角中的應用；最後，闡述了超近反導系統中復合體制雷達的工作過程。 -
This dissertation mainly illustrates the a / d module ^ communicate module of tms320f240 fixed - point dsp and the realization which each module used in 705d high altitude meteorological exploring radar simulating system, meanwhile gives the writing step of inner program
本文主要講述了tms320f240定點dsp內部a d模塊、通訊模塊等各種功能模塊對於705d型高空氣象探測雷達模擬系統的實現方法，並且給出了其內部flash的燒寫步驟。 -
From the point of view of system, this paper introduces the structure, function, peculiarity and key techniques of a new training simulator of anti - air gun fire control radar, which has solved the key issue of the generation, control, searching and display of radar target through simulation
從系統的角度介紹了一種新型炮瞄火控雷達訓練模擬器的設計思想、結構、功能和特點，分析了模擬器的關鍵技術。 -
In recent years, the anti - stealth radar technology has been to the research key point and has received attention from the various countries, and due to the merit, meter - wave radar becomes the effective technical way with recognition and good prospects in each kind of anti - stealth technology
近年來，雷達反隱身技術成為了世界各國關注和研究的重點，在各種反隱身技術中，米波雷達因為其本身的優點成為公認的、具有發展前景的有效技術途徑。 -
Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy
然後採用模擬模擬方法獲得大量的雷達測量值，由計算機軟體產生大量的隨機數，加入雷達測量值中，用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數，再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點，最後統計出跟蹤系統的隨機誤差，分析定位精度。 -
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。 -
According to information theory, we conclude that lossless compression of radar data could n ' t obtain high compression ratio. this point has been verified by the results of the experiments
本文運用信息論的有關理論，得出了雷達回波的無損壓縮演算法不可能獲得高的壓縮比的結論並且實驗的結果也驗證了結論是正確的。 -
When the radar is narrow band, radar target is studies as a point target. target and clutter are modeled as having a zero - mean complex gaussian probability density function ( pdf ). target is assumed as slowly - fluctuant
窄帶條件下，雷達目標可以看作是一個點目標，假設目標和雜波都服從零均值的復高斯分佈，目標為慢起伏。 -
Angle measuring precision phase sum / difference mono - pulse radar receiver is not only related to accurate strike to target, but also the base of successful penetration of interceptor missile for tbm anti - guidance system using two point sources of correlation, which is one of radar angle fraud technologies. thus, research on technical criteria influencing angle measuring precision of receiver is meaningful
相位和差單脈沖雷達接收機的測角精度，不僅關繫到是否能精確地打擊目標，而且是tbm反制導系統利用相干兩點源雷達角欺騙技術，成功突防攔截導彈的基礎，所以對影響測角精度的接收機各項技術指標進行研究具有重要意義。 -
In the dependability improvement process, we used many kinds of methods, such as dependability improvement analysis, dependability forecast, fault modeling effect analysis, dependability qualification test etc. it verified the evident improvement in the jyl - 6 weather radar ? dependability. the point estimate value is improved from 77. 7 hours to 432. 4 hours and the mtbf value reaches 144 hours. in our country, it is the first time that the airborne radar ? dependability criteria exceed 100 hours
在可靠性增長過程中通過可靠性增長方法分析、可靠性預計、故障模式、影響分析及可靠性鑒定試驗驗證等手段證實可靠性增長后， jyl - 6氣象雷達可靠性指標點估計值由77 . 7小時提高到432 . 4小時， mtbf置信下限達到144小時，在國內實現了機載雷達可靠性指標首次突破100小時。 -
We can n ' t get result on how to change course and speed to make collision avoidance, this can help little on collision avoidance decision. the article aims at the default on radar simulator and implements the standard result on radar simulator by making use of mcu. the main production is below : first, we calculate how to chang course and speed on the destine point by mcu. we get the new course and new speed on the destine point, we get the point to resume original course and speed, we get the distance and azimuth to resume original course and speed on given course and speed, the six essential : dcpa, tcpa, distance, azimuth, real speed and real course
本論文針對當前雷達模擬器標繪訓練中的不足，實現了利用單片機進行雷達模擬器標繪標準值的計算，主要成果有以下方面：首先，利用單片機計算得到了在預定點改變航向和改變航速的計算，求得預定點改向的新航向c _ n和預定點變速的新速度v _ n ，恢復原航向和原航速的時機點的計算；在給定避碰的新航向、航速的條件下，計算出恢復原航向航速的時機點h的距離r _ h和方位_ h ；目標船的六要素，即dcpa 、 tcpa 、距離r （ t ） 、方位（ t ） 、真航速v _ t和真航向c _ t 。
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