測距的選通 的英文怎麼說
中文拼音 [cèjùdexuǎntōng]
測距的選通
英文
gating in range- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 距 : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
- 的 : 4次方是 The fourth power of 2 is direction
- 選 : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
- 通 : 通量詞(用於動作)
- 測距 : range [distance] finding; distance measurement; ranging; stadiometry
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To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film
為了優化儀器的檢測靈敏度和穩定性,選用氧化鋅薄膜上的zno / si臺階作為測試對象,檢測了zno / si的接觸電勢差;通過改變儀器系統參數,發現針尖-樣品距離和掃描速度對接觸電勢差的檢測結果影響顯著。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system
本文通過分析像移產生原因、研究像移補償原理,確定像移補償方案,並根據像移補償原理設計補償機構;分析與設計掃描反射鏡系統結構,根據材料線膨脹系數一致原則,選擇反射鏡及其背部支撐的材料;由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速,根據負載力矩確定電機的額定轉距,綜合電機外型尺寸等因素,確定執行元件? ?電機的型號;根據所選電機的參數指標,設計1 : 6速比的減速器;利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化;設計反射鏡柔性支撐結構,並通過軟體分析支撐結構的力學特性,驗證反射鏡柔性支撐結構設計的合理性;從原理上研究掃描反射鏡控制系統功能;進行系統精度測試,測試結果表明掃描反射鏡系統設計的合理性。In order to make the studying about the seismic exploration method possess systematic nature and the ability of tackling key problem in front - zone of mountain, we have done the research work of tackling key problem aiming at the field gathering technology of seismic exploration of the complicated structure belt ( the construction of underground and the earth ' s surface condition are complicated ) of front - zone of mountain in this text, and a large number of relativity trials by the close combination of production and scientific research, summarized a set of field method of the complicated structure belt of front - zone of mountain, adjusted both of trial factor and construction factor of the field gathering in time, achieved finally the goal of making its structure character clear
近幾年來,隨著地震勘探裝備和技術的改進,野外資料採集技術有了新的進展,主要表現為多種震源聯合激發方法(井炮和大噸位可控震源) ,基於地表條件及表層調查基礎上的激發選點方法,小道距、長排列、高覆蓋接收方法,基於模型的「分段、分線、分區」觀測系統目標設計方法等,取得了顯著的勘探效果。為了使山前地震勘探方法研究具有系統性和攻關性,通過本文對復雜山前復雜構造帶地震勘探的野外採集技術進行攻關研究,進行了大量具有針對性的試驗,總結出了一套山前復雜構造帶野外施工方法,最終達到了搞清復雜山前復雜構造帶山前復雜構造帶構造特徵的目的。Based on the result of widely investigating and collecting data, we compared measure - distance laser sensor to measure - distance microwave sensor, in order to choose the right measure - distance with low price sensor which could work well in rain, fog and snow days. in the end, we choose bj - 1 measure - distance laser sensor, which was produced by the second electron and instrument factory in changzhou
論文階段主要研究內容及取得階段性成果如下: 1 、通過廣泛調研、查詢資料,對激光測距傳感器與微波測距傳感器進行比較,選擇適合在雨、雪、霧等天氣下能滿足系統工作需要並具有優良性價比的測距傳感器。最終選擇了常州第二電子儀器廠的bj ? 1型激光測距傳感器。With white background, the acquired images were studied. the distance was max between two - peak value in b gray level histogram. a set of computer vision hardware system which is use for bruise evaluation and classification of tomato was set up
通過大量的實驗研究,選擇環形燈作為光源,選擇白色作為背景組成光照箱,可以得到有利於后續處理的圖像;並發現在b分量上,兩峰間的距離最大,所以用b分量確定闡值t ;建立一套適合番茄等農產品進行表面缺陷自動檢測與分類的計算機視覺硬體系統。All of above make the miss distance of the missile difficult to estimate in shooting range. in order to solve these problems, a novel method for detecting and tracking small moving point target in image sequence is proposed in this paper, based on combination of the correlation of multi - frames and wave gate techniques. especially, the qualifications to confirm the target and the establishment of the wave gate based on size and characteristic moving parameters of the target are stressed in the paper
針對目前靶場所面臨的測量目標小、距離遠、目標與背景對比度小,不具有形狀信息的實際問題,提出了一種基於多幀相關技術與波門選通技術相結合的快速目標識別與跟蹤方法,特別探討了多幀相關技術中目標確定的理論判據,並綜合考慮目標的尺寸因素和目標的運動特徵研究了一種新的波門設定方案。If the republican party chooses a champion in the next couple of months, he will to some extent cede the leadership of his party ; if it fails to choose a champion, as many people are now speculating, the country will be agog at the prospect of a party convention at which the nomination is still up for grabs
如果共和黨在接下來的幾個月選出一位總統,他將在某種程度上和黨內領導階層保持一定距離;如果像許多人現在所推測的,這個人沒能當選總統,那麼國家就會有一個令人興奮的前景,議案將會輕易的得到通過。Spread spectrum technique, which can handle variable adverse environments, exhibits unique qualities that have a number of advantages in anti - jamming, anti - noise, reduction of multi - path interference, low power spectral density, privacy, selective addressing and code division multiplexing
擴頻通信技術具有優越的抗干擾、抗噪音、抗多徑衰落性能,能在低功率譜密度下工作,具保密性、可多址復用和任意選址,能有效克服各種惡劣的通道特性,目前廣泛應用於移動通信、雷達、導航、測距、電力線通信等領域。The principle of the fault distance measurement for small current grounding system by injecting dual frequency signal are discussed from many aspects such as the method and the characteristic of the signal, the test of the signal, the method of the line select, the algorithm of the fault distance measurement, and the method of the fault location, etc. the task adopts this kind of principle, in which the signal injection is completed by the coupling between the power source and the pt
在詳細地說明以上三種測距演算法的基本原理后,分析各種演算法的優缺點,從注入信號的方法、特徵,注入信號的檢測,接地選線的方法,故障測距的演算法,及故障定位的方法等多個方面,論述了本課題採用的應用於小電流接地系統的雙頻信號注入式測距原理。其中,信號的注入由功率源通過電壓互感器( pt )耦合來完成。The main factors have been determined to be the depth and width of hole, the strength of surrounding rock, the types of detonator, the decoupling coefficient, burden and unit consumption form what has been discussed, the author make use of those major factors as standard of affection and studied bp neural networks " work principle, structure and defectiveness. a model of modified bp neural networks has been used to built model in order to identify selection and optimize of blasting in rock anchor beam. triumphant parameter design of blasting were selected as a example, in order to perform network of parameter design
確定以炸藥類型、最小抵抗線、孔深、炮眼間距、不耦合系數、線裝藥量、巖石強度和巖體完整度為主要影響因素;把改進的bp演算法應用在爆破參數優化設計中,建立以炸藥類型、最小抵抗線、炮孔深度、炮眼間距、線裝藥量、不耦合系數、巖石強度和巖體完整度為主要影響指標,選擇45例國內外成功的爆破參數設計實例為樣本,利用bp神經網路進行爆破參數優化設計,並通過現場保護層和巖臺修面爆破試驗以及對其松動圈范圍進行聲波測試,其測試結果最優的爆破方案其松動圈最小,這與神經網路進行參數優化設計的爆破方案相吻合。Then a dynarnic location algorithm is proposed, which firstly estimates the distance between ms and serving bs through an initial ms position estdriation, then chooses toa measurements, and finally determines the weighted factors of wls algorithm, thus resulting an improved location performance
提出了一種動態定位演算法,該演算法通過對ms第一次初始位置估計來確定ms與服務bs的距離,再選擇參與定位的toa測量值,確定wls演算法中的加權因子,從而改進了定位性能。分享友人