ranging distance 中文意思是什麼
ranging distance
解釋
測程-
The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance, analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging
對被動測距技術的研究工作主要包括：簡單介紹了水聲定位的幾種方法，並對其性能進行了分析對比，分析了三元對稱陣和非對稱陣測向測距的原理，對兩種陣型的測向測距誤差進行了對比分析，還給出了一般陣型測向測距原理，最後還對被動測向測距中存在的相位模糊和距離模糊問題進行了探討。 -
In the end, the system experiments were conducted, and the results show that the system can be used for short - distance ranging
最後採用延遲線閉環系統聯調，實驗結果表明所設計的測距方案能夠用於近距距離測量，差頻信號頻率反映了距離信息。 -
According to the target distance ( 5 ~ 50m ), a c - band transceiver for ranging was presented in this thesis. the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source, a receiver and microstrip antenna
本文針對所探測目標的距離（ 5 ~ 50m ） ，研製了c波段測距收發前端，主要包括c波段調頻連續波（ fmcw ）頻率源，接收電路以及微帶天線。 -
This paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters
分析了目前驗收脈沖激光測距機測程指標所採用的方法「消光法」存在的不足，並在「消光法」的基礎上，通過採用計算機技術、準激光技術和延時模擬空間距離的方法，實現了測程指標自動、快速和不解體檢測。 -
Abstract : this paper analyses the problem of extinction method, which have been used in ranging capability of impulse laser rangefinders now. then according the extinction method, by computer or quasi - laser and delay simulating space distance technology, realise automatic, fast and non - dismatiement testing of ranging parameters
文摘:分析了目前驗收脈沖激光測距機測程指標所採用的方法「消光法」存在的不足，並在「消光法」的基礎上，通過採用計算機技術、準激光技術和延時模擬空間距離的方法，實現了測程指標自動、快速和不解體檢測。 -
Petroleum and liquid petroleum products - calibration of horizontal cylindrical tanks - internal electro - optical distance - ranging method
石油和液化石油產品.臥式圓桶罐的校驗.內光電距離測量法 -
The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously
該研究方案採用直接探測脈沖激光測距體制，以波長為905nm的脈沖半導體激光器作為激光光源，利用單元apd探測器進行探測，採用物空間掃描的光機掃描方式進行掃描成像，能同時獲得目標的距離圖像和強度圖像。 -
Petroleum and liquid petroleum products - volumetric calibration of vertical cylindrical metal tanks - electro - optical distance - ranging internal method
石油和液體石油產品立式圓筒形金屬油罐容積標定法光電內測距法 -
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，而且簡化了硬體設計，降低了成本；其次在數據處理中採用數據加窗函數的方法，提高了方波信號的頻譜解析度，進而提高了測量的精度。 -
By using msp430 micro controller unit and cpld technology, this method realized twofold frequency phase ranging : the rough measurement of the distance is realized by countering high frequency pulses which are filled in discriminating phase pulses ; the accurate discriminating phase pulses are converted by using the method of time to voltage conversion, and then the adc device samples the converted voltage, so the accurate measurement of the distance is obtained by processing the adc samples through micro controller unit
該方法通過msp430單片機和先進的cpld技術實現雙頻測相:粗測通過採用對鑒相脈沖填充高頻脈沖的辦法來實現;精測則利用時間-電壓轉換法對鑒相脈沖進行轉換，然後由模數轉換器adc對轉換電壓進行采樣，通過單片機對adc的輸出值進行計算處理獲得精測值。 -
Petroleum and liquid petroleum products - calibration of horizontal cylindrical tanks - part 2 : internal electro - optical distance - ranging method
石油和液化石油產品.臥式柱形油罐的校準.第2部分:內部光電測距法 -
Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products - internal electro - optical distance - ranging method
石油和液態石油產品用立式圓柱形儲罐的校準方法.內電光測距法 -
Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters, such as distance, azimuth, angle of elevation, velocity, by transmitting radio wave. in national economy, it is used in navigation, weather forecast, geological mapping, military affairs and so on
雷達利用發射的無線電波探測空間中的物體並確定其距離、方位角、仰角、速度等各項參數，廣泛應用於導航、氣象預報、地質測繪、軍事等領域。 -
The main work of the first part includes : analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, discussing the characteristics of time delay in passive distance measurement, giving valid method of time delay estimation, and discussing the restriction of this method and the distance wrapping in passive ranging
對三元非對稱陣被動測距技術的主要研究工作包括：分析了三元對稱陣和非對稱陣測向測距的原理，對兩種陣型的測向、測距誤差進行了對比分析，探討了三元陣被動測距中時延差的特點，提出了有效的時延差估計方法，並對該方法的局限性以及被動測距中存在的距離模糊問題進行了探討研究。 -
Petroleum and liquid petroleum products - calibration of vertical cylindrical tanks - external electro - optical distance - ranging method
石油和液態石油產品.直立式圓筒狀油罐的標定.電光外測距離法 -
Ranging system on highway is an important part of its ( intelligent transportation system ). it can detect the interval of the car in front. if the interval is less than safe distance, the system will alert the driver to slow down the car
高速公路汽車測距系統是智能交通系統（ its ）的重要組成部分，主要功能在於實時地完成前方車距的檢測，發出預警信號，保證行駛安全。 -
In chapter 2, the advantages and disadvantages of the two ranging waveforms, namely, classical pulsed waveform and fmcw waveform, are compared in terms of the target distance
文中首先根據目標距離對比了脈沖法和fmcw兩種測距方法的優劣，然後選擇無測距盲區的fmcw作為發射信號。 -
That ' sdespite the fact that the distance changes minute by minute because the moon is in an elliptical 28 - day orbit ranging from 220 000 to about 252 000 miles from earth
盡管事實上月球是在一個周長為28天的橢圓形軌道上運行，與地球的距離每分鐘都在變，在220 ， 000至252 ， 000英里不等。 -
Lidar stands for light detection and ranging, a technique to detect and determine the distance of objects using laser
激光雷達是利用激光來探測和計算物件的距離。
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