測距碼 的英文怎麼說

中文拼音 [cèjùmǎ]
測距碼 英文
ranging code
  • 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...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 測距 : range [distance] finding; distance measurement; ranging; stadiometry
  1. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現，利用該晶元的資源，實現各模塊的調度，完成對導航電文的提取，重新組幀，定位解算以及對外介面;在解算部分，把載波相位定位與碼測距定位相結合，利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試，以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  2. The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them

    研究結果表明隨機脈位調制與隨機二相碼調相復合脈沖串信號具有「圖釘型」的模糊函數，不存在距離速度模糊，具有良好的測距測速性能。
  3. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器，設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理，認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題，新型橢圓凸輪波發生器可以進行尺寸精度調整，能夠達到輸入力矩以純力偶的形式輸入;通過本項研究，基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  4. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  5. Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network

    該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后，並設置在布防狀態。一旦有盜賊闖入防範地點，探測器立刻發射無線編碼信號，安裝在距防區150米以內的主機立即發出警笛聲報警，報警時撥打預先設定的聯網中心號碼或報警電話手機號碼，接警電話里回放用戶預錄的報警語音，遠程報警，同時通過網際網路來實時傳遞布防撤防報警等狀態，通過電腦網路來查詢歷史記錄。
  6. As the range dropped to four thousand, the option to surface was dimming.

    等到測距降到四千碼的時候，升上水面的機會就暗淡了。
  7. Digital binoculars are new products and so there are no data about the test of the resolution and field of view matching. in order to measure the resolution of digital binoculars, the method based on the combination of collimator and resolution chart is proposed

    為了檢驗數碼望遠鏡的解析度，提出了採用平行光管和鑒別率板的組合來測量的方式，並對鑒別率板的離焦量、平行光管焦距與鑒別率板的匹配進行了理論推導。
  8. 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。
  9. The total structure and working principle of the intelligentized photoelectricity fire control system which is made of the aiming telescope, image sensor, laser ranging engine, code device, decoding computer, display device etc were presented

    摘要介紹了瞄準望遠鏡、圖像傳感器、激光測距機、編碼器、解算計算機、圖文信息顯示裝置等組成的智能光電火控系統的總體結構和工作原理。
  10. The measurement erases the information from its original location, but because of entanglement, that information resides in an encoded form on the second particle, no matter how distant it may be

    這個量測的動作會清除該處的資訊，但因纏結的緣故，不論粒子間的距離有多遙遠，該資訊會以密碼的形式儲存在第二個粒子上。
  11. Trees ' s fixed high diameter meter is a new kind measuring instrument, which bases on many kinds of technologies such as the one - chip computer, ultrasonic and bar code discerning

    摘要定高樹徑測量儀是基於單片機、超聲波測距、條形碼識別等多種技術而開發研製的在樹木確定高度情況下進行測量樹木直徑的一種新型測量儀器。
  12. This paper proposes an effective algorithm which implements in hadamard domain, and the chebyshev distortion measure and pds algorithm are adopted

    本文在變換域內搜索碼字，並引入chebyshev距離測度和pds演算法。
  13. Spread spectrum code emitted by navigation station has correlative operation with the signal produced by receiver, through measuring the place of maximal correlative function, we can measure the spreading time of the navigation station ’ s signal, so we can measure the distance between navigation station and receiver

    區域導航利用導航臺發射的擴頻碼與接收機產生的本地信號進行相關運算，通過測量相關函數最大值的位置，來測定導航臺信號傳播時間，從而測定導航臺到接收機的距離。
  14. High - tech : the first vehicle digital anti - theft lock worldwide adopting the floating air pressure detecting and the remote wireless transmission technology

    高科技：全世界第一支運用流動氣壓偵測與無線傳輸遠距離功能的數碼汽車防盜鎖。
  15. Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd

    測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ，由它對超聲波回波脈沖進行ad采樣后，計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ，由它對收發組件輸出的多普勒回波進行采樣，計算出目標運動速度后，送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ，並且在液晶顯示器上顯示速度信息。
  16. The designing scheme of this image monitoring network adopt the designing idea of the integration modularize. with the server as its kernel, the network introduces the photography theory of the digital camera and combines the technologies of high speed single - chip computer ( w77e58 ), fpga, high speed cmos image sensor, dot - matrix photo lcd and high speed network transmission. moreover it overcomes some problems of the digital camera in the image monitoring application such as without the network interface, transmission distance shorter and unable to control the information, and establishes a technology foundation for the further application of the techniques mentioned above in this development

    本套圖像監測網路的設計方案採用集成模塊化的設計思想，以服務器為核心，藉助數碼相機攝像原理，融合高速單片機w77e58技術、 fpga技術、高速cmos圖像傳感器技術、點陣圖形液晶和高速網路傳輸等技術，克服了數碼相機在圖像監測應用中不帶網路介面、傳輸距離較近和信息不能受控等問題，為本研究方向對以上各種使用技術的進一步應用奠定了技術基礎。
  17. Fractal neighbor distance gives a quantitative measure of the input - output characteristics of the fractal code of an encoded image. the fundamental mechanism behind this recognition scheme lies in the uniqueness of the attractor of a fractal code. the attractor has the invariance to image translation, rotation, scaling and illumination

    分形鄰距是針對進行了分形編碼的圖像而定義的一種圖像間相似度的測距方式，它具有編碼的吸引子唯一不變性的特點，因而對旋轉、縮放、平移以及光照都有不變性，這樣可以很好實現正確識別。
  18. The pseudorandom codes have a good autocorrelation of double - values. in recent years, to solve the problems of anti - interference and the ambiguity of range and velocity, a lot of countries do much research to change the waveform of radar signal. the most important improve is to use symmetrical pulses to interrupt frequency modulated continuous wave ( fmpcw )

    早期的fmicw採用偽碼序列截斷，偽隨機碼具有良好的雙值自相關特性，其中最常用的是m序列截斷的fmicw 。近年來，為了解決抗干擾和測距、測速模糊問題，許多國家已對雷達信號波形的改進進行了研究。
  19. Pseudo code ranging method and precision analysis of aerospace spread spectrum ttc amp; dt systems

    航天擴頻測控通信系統中偽碼測距方法及精度分析
  20. Algorithm and design for pseudo - random sequence ultrasonic spread spectrum distance measurement system

    偽隨機碼超聲擴頻測距系統設計與演算法
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