x
uploads/range finder.jpg

range finder 測遠儀,測距器;【軍事】(測定由槍炮至目標間距離的)光學...

range hammer

Comparing with the traditional phase - shifted laser range finder , the method could implement the ranging with multifrequency by using single modulated frequency . it could not only solve the contradiction of the range and the precision , but has high degree of accuracy and wide range , simplify the hardware design , and reduce the cost . this paper introduced the theory of phase distance measurement , analyzed various testing methods and expatiated the hardware and the software for the proposal system 與傳統的相位法測距相比,本方法使用單調制頻率實現了多頻測距,有效地解決了相位法測距中測程與測量精度之間的矛盾,具有高精度、大量程、大噪聲容限的特點,而且簡化了硬件設計,降低了成本;其次在數據處理中采用數據加窗函數的方法,提高了方波信號的頻譜分辨率,進而提高了測量的精度。

Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement . however , laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement . in order to improve the large range measurement speed and accuracy , key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper 相位法激光測距采用多頻調制和高精度的相差測量技術可以在大范圍內實現毫米甚至更高精度的測量,但現有的測量裝置由于存在多頻調制電路復雜和沒有很好的解決相差測量的高精度和快速測量之間的矛盾問題,使得相位法激光測距很難應用于大范圍目標快速的跟蹤測量。

The angle - servo scanning system loaded range finder using laser is applied in this measuring system , which can meet the need of easuring the account of stored coal . the system also has functions of collecting and processing data , printing metering forms and drawing three - dimensional pictures or profiles of the coal heaps 本測量系統采用了加載激光測距機的角度隨動掃描系統,可以實現煤場儲煤量測量的要求,它還具有實時顯示測量過程,測量數據的維護,打印輸出計量報表,繪制煤堆三維圖形和剖面圖。

The some fire control system is an advanced multi - senor short range air defense system , which integrated both x and ka bands searching and tracking radars , laser range finder , combined the control computer of subsystem with the master computer , and applied the technology of data fusion 摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機于一體,分系統控制處理計算機與系統主計算機相結合,采用了數據融合技術,是一部多傳感器集成的現代化防空系統,具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。

This system the microprocessor technology and the ultrasonicwave range finder technology , the sensor technology and so on unifies , may examine the automobile in the back - draft process , after thevehicle the obstacle and the automobile distance , through the liquidcrystal display monitor demonstration obstacle distance , the position , and is away from the police according to the obstacle and thetailstock which far and near real - time sends out the different rank toshow the sound 該系統將微處理器技術與超聲波的測距技術、傳感器技術等相結合,可檢測到汽車在倒車過程中,車后障礙物與汽車的距離,通過液晶顯示屏顯示障礙物距離、方位,并根據障礙物與車尾距離遠近實時發出不同等級的警示聲音。

The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously . by lucubrating the motion law of tsp , we decided to compute decent velocities with least - squares procedure & two ranks curve fitting 地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分段曲線擬合,計算出落速。

The theory of laser range finder is firstly introduced in this paper . then based on the laser radar ranging theory , the laser radar ranging equation , the effect of the travel characters of the laser in the air on the measurement and the laser ranging snr equation are discussed 本文首先介紹了激光測距原理,然后從激光雷達測距理論出發,以激光雷達作用距離方程、激光的大氣傳輸特性對測距的影響、激光雷達的信噪比作為理論基礎,進行了方案設計。

Repack mainly : install the new laser range finder , install the fire additional and accuse of the computer , change the diesel engine of model v - 53t containing high - power and new transmission , it is armoured to install side skirt board and bar type additional , allocate and bulldoze the shovel 主要改裝:安裝新的激光測距儀,加裝火控計算機,換裝大功率的v - 53t型柴油發動機和新的傳動系統,加裝側裙板和柵欄式裝甲,配備推土鏟。

On the first subject of this dissertation , a concise review of the relationship between range perception sensors and obstacle detection methods was presented . comparing results show that laser range finder ( lrf ) is a preferred sensor for obstacle detection 作者回顧了移動機器人的障礙檢測研究中所采用的各種傳感器和實現方法,分析比較了每種方法的優缺點,指出采用激光測距雷達是比較好的選擇。

With the developments of electronic technology , the phase laser range finder , a resolution distance measurement equipment , has been extensively used in the civil and military field because of its excellent performance 相位激光測距是一種高精度的距離測量技術,隨著電子器件和信號處理技術的發展,這種測距技術在軍用和民用領域必將得到更為廣泛的研究和應用。

The landing site coordinate system is first defined from the image coordinates of three feature points obtained using an optical navigation camera and the distances from the spacecraft to each fp measured using a laser range finder 首先利用特征點的圖像坐標和探測器到三個特征點的距離信息構建了著陸點坐標系,確定了探測器相對著陸點坐標系的位置和姿態。

Ld laser range finders are widely used in such fields as military , robot vision , industrial automation production line and mapping for their merits of being non - contact , high precision , low cost and so on 半導體激光測距儀因其具有非接觸、精度高、體積小、成本低等優點被廣泛應用于軍事、航天、機器人視覺、工業自動生產線和測繪等領域。

The paper achieves capture image and show in lcd , at the same time , the system can communicate between operation system and laser range finder , rotary platform 在video4linux標準的框架內實現了監視圖像的采集及lcd顯示。實現了系統與激光測距儀及轉臺的交互,為測距算法實現提供了所需的數據。

A novel topological map is proposed in this paper , and its nodes are represented with the visual scale - invariant features and the beam features of the laser range finder 摘要提出了一種新型拓撲地圖;該地圖用激光的扇區特征和視覺的比例不變特征來聯合表示節點。

In this paper , the emphasis is how to use the in system programmable chip to improve the stability of microwave range finder and reduce the size of it 本文研究的重點是如何在微波測距儀中采用在系統可編程邏輯器件,以提高系統穩定性,同時減小系統體積和功耗。

Dpssl have found many important application fields e . g . in range finder , control and guide , laser radar , material processing , opical communication , medicine Dpssl在測距、制導、激光雷達、材料加工、光通訊、醫學等方面有重要的應用價值。

In recent years , one of the development trends in laser range finder is to study how to improve the accuracy and resolution and realize the downsizing of system 目前激光測距儀發展的主要趨勢是提高激光測距系統本身的測量精度和實現小型化。

Range finder color - codes each reference to a range and adds a border with the same color to the corresponding cell or range 區域搜索器用不同的顏色突出顯示對區域的每一引用,并在相應單元格或單元格區域四周添加了彩色邊框。

You can change which cells are included in the range reference by dragging the range finder handle to a new location 將“區域搜索器”柄拖動到新位置,就可更改區域引用中所包含的單元格。