phase carrier 中文意思是什麼
phase carrier
解釋
相位載波-
The remaining factor in(7, 8. 3)is the carrier wave and its phase velocity is c.
（7，8.3）中剩下來的一個因子就是載波，其相速度是C。 -
After study on the technology of probe head of the optical fiber, a biosensor for determination of cholesterol which based on fluorescence quenching and adopted phase shift & phase lock technique to detect the change of light intensity was developed, in this biosensor, the cellulose acetate cod enzyme membrane was took as sensitivity basic dollar, ru ( phen ) 32 + was took as indicator of oxygen and furcated optical fiber as conduct carrier of light signal
通過對光纖探頭組裝技術的研究，以醋酸纖維素cod酶膜為敏感基元，釕（ ） -鄰菲咯啉為氧指示劑，分叉光纖為光信號傳導載體，採用相移法和鎖相放大技術設計了一種基於熒光猝滅原理的測定膽固醇用的生物傳感裝置。 -
Autonomous formation flyer technology developed by jpl is used three receiving antennas and one transmitting antenna are installed on each satellite each of satellites can transmit analog gps signal but more accuracy. the multiple receiving antennas on the every satellite are capable of acquiring precise pesudorange and carrier phase signals transmitted by other satellite and compose of a kind of onboard augment gps system
在文中，利用jpl提出的自主編隊飛行技術aff ，在每個編隊衛星上安裝一個發射天線和三個接收天線，每一個發射天線可以發射類似於gps的高精度偽距和載波信號，與其它衛星上的多個接收天線構成星載擴展gps系統。 -
In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。 -
Each small peak in the carrier would travel to the right with the usual phase velocity.
載波中的每個小峰都以通常的同相速度向右方運動。 -
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。 -
Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications
本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。 -
High precision positioning is based on carrier phase measurements. how to confirm integer ambiguity is very important
以載波相位觀測量為依據進行高精度定位時，整周模糊度的確定是一個關鍵問題。 -
In the thesis, i introduce the theory and application of gps carrier phase measurement, analyze the errors in the observation of gps signal, study the ways to reduce these errors, specially for the error caused by multipath
論文介紹了gps載波相位測量技術的原理和應用，分析了gps觀測量的誤差，研究了減小和消除各種誤差的方法，重點是減小多徑效應的影響。 -
The key problems of gps carrier phase measurement are how to solve the integer ambiguity of gps carrier and how to detect and compensate the cycle slip of gps carrier in the period of navigation process
載波相位測量定位的關鍵問題是如何確定整周模糊度和周跳的探測和修復。本文對此問題展開研究，討論了在載體動態運行環境下，動態整周模糊度問題和周跳的探測與修復問題。 -
To jupiter gps oem board receiver of the low cost, the software was developed according to the original data of satellite, the primitive observation data of receiver and gps theory of technology based on gps pseudo - range observation and carrier phase measurement. 2
針對低成本的jupitergpsoem板接收機，直接根據星歷原始數據和接收機原始觀測數據以及gps定位技術的理論進行了gpsoem板的偽距與載波相位定位軟體的開發。 -
Recently, with the development of gps, many researchers pay attention to the aircraft ' s precise entrance and landing through gps carrier phase measurement. the key technology of aircraft ' s precise entrance and landing is gps carrier phase integer ambiguity resolution on the fly
近年來，隨著gps的發展和完善，利用gps載波相位觀測量實現飛機的精密進場與著陸的研究，開始受到人們的關注，而載波相位整周模糊度的動態確定是其中的關鍵技術。 -
Firstly, the principle of gps kinematical carrier phase measurement positioning is introduced concisely. the mathematical mode of gps carrier phase measurement absolution positioning is discussed and provided. a way to obtain the difference between the true location and the estimated location is proposed
論文首先介紹了gps動態載波相位測量定位原理，討論了動態載波相位測量絕對定位的數學模型，給出了一種求解接收機所在位置改正數的方法。 -
1 ) based on the theory and application of gps, the construction and application of the rtk ( real time kinematic ) - gps carrier phase measurement ( so called rtk ) are studied. the differences between messages type 18 / 19 and type 20 / 21 are compared by analysing rtcm sc - 104 messages, and the advantages and disadvantages of using those types are pointed out. 2 ) the various factors, which influence positioning accuracy, are analyzed in this paper
論文的主要內容和研究成果如下： 1 ）簡要介紹了gps的原理和應用，論述了rtk （ realtimekinematic ） - gps載波相位測量（通常簡稱為rtk ）系統的組成和工作原理，通過對rtcmsc - 104電文的分析，比較了rtk電文type18 19與type20 21的差別，指出分別使用這兩電文實現rtk的利與弊。 -
In order to attain high accuracy of gps satellite navigation, positioning and low cost in precision agriculture, it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture. it is presented a method of high accuracy positioning and measure based on gps oem board in this paper, and proved the feasibility of key technology with emulations and field tests
為了適應精準農業高精度、低成本的gps定位導航應用要求，本文通過對gps偽距和載波相位定位方法的研究，結合精準農業的實際情況，提出了基於gpsoem板的高精度定位與測量方法，並用模擬和田間試驗驗證了各關鍵技術的可行性。 -
4. in data acquisition system, the application of phase - locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. carrier signal and modulation signal achieve entirely synchronous too
數據採集系統採用鎖相技術、同步檢波的原理，降低了整個系統的成本，提高了靈敏度，並使得載波信號與調制信號完全達到同步。 -
To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。 -
By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。 -
The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。 -
Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system
各品種項下規定的條件除固定相種類、流動相組成、檢測器類型不得任意改變外，其餘如色譜柱內徑、長度、固定相牌號、載體粒度、流動相流速、混合流動相各組成的比例、柱溫、迸樣量、檢測器的靈敏度等，均可適當改變，以適應具體的色譜系統並達到系統適用性試驗的要求。
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