carrier cycle 中文意思是什麼

carrier cycle 解釋
載波周期
  • carrier : n 1 運送人,搬夫;負荷者;使役,〈美國〉信差,郵遞員;送報人;〈英國〉運輸行,運輸業者。2 傳書鴿...
  • cycle : n 1 循環,周期,一轉。2 周時,周年,年紀。3 (詩、故事等的)始末。4 自行車,三輪車,摩托車。5 【...
  1. 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。
  2. Shapes of pulse envelope are found to have some effect on the degree of phase influences. dependence of single - cycle pulse ( scp ) energy on the carrier phase has been studied for gaussian, lorentzian, hyperbolic secant and sine shapes respectively, which shows that these energies can be expressed in the same form. phase effect on pulse with gaussian envelope is the first to show, then are hyperbolic secant and lorentzian pulses, and sine the last

    包絡對載波相位的作用范圍也是有一定影響的,我們對高斯、洛侖茲、雙曲正割和sinc四種不同包絡的脈沖,研究了單周期脈沖能量隨載波相位的變化規律,發現以上四種脈沖的歸一化能量均可在形式上用同一表達式表示,並發現對于這四種不同包絡的脈沖,高斯脈沖相位的作用最早體現出來,然後是雙曲正割和洛侖茲脈沖, sinc脈沖最遲。
  3. In communications, an amplitude modulated signal in which the amplitude of the carrier is reduced to zero for some part of the cycle of the modulating waveform

    通信技術中的一種調幅信號,其載波的振幅在調制波形周期的某些部分減少到零。
  4. Furthermore, it is insure that the carrier pahse measurement data does not have cycle slips in gps based attitude determination system, using phase rate prediction algorithm and baseline length constraint information algorithm, the cycle slips can be detected and corrected successfully, which markedly reduce the initialization numbers of attitude determination system

    此外,在gps姿態測量系統中,必須保證載波相位觀測數據中無載波相位周跳,本文提出的多普勒預測演算法和基線長度約束相結合的方法能有效的檢測和修正載波相位整周模糊值固定前和固定后的周跳問題,減少了姿態測量系統重新初始化的次數。
  5. With the development of few - cycle pulses ( fcp ), the phase shift of the optical carrier with respect to the pulse envelope becomes non - negligible

    隨著周期量級激光脈沖的產生,脈沖載波及包絡之間的相對相位漂移逐漸成為不容忽視的問題。
  6. Realizing the impact of chirp on the effect of carrier phase, some analytical expressions of chirped few - cycle pulses are also calculated, such as frequency gravity, pulse energy, center of gravity of time, effective pulse width, etc. results show that chirp makes the pulse characteristics more sensible to carrier phase, and chirp has greatly increased the pulse width when the carrier phase takes effect

    考慮到啁啾對載波相位作用程度的影響,導出了啁啾脈沖的頻率重心、脈沖攜帶的能量、脈沖時間重心以及有效寬度等參量的解析表達式,分析表明,啁啾使得載波相位比無啁啾的情況提前起作用了,即啁啾在很大程度上增大了載波相位發揮作用所對應的脈寬范圍。
  7. In this paper, the on - off procedure and drive mode of high - speed on - off valves are introduced, the principle of pwm most in use recently is introduced. based on the forming method of pwm signal with software, the conclusion is drawn that the occupancy of pwm signal is only in relation to the control value calculated and the mean flowrate is linear to the control value when the carrier wave ( cycle and amplitude ) is chosen

    論文介紹了高速開關閥的開關過程和閥的驅動方式。介紹了目前最常用的流體脈沖控制方法?脈寬調制的機理。介紹了pwm信號的軟體生成方法,並由此證明,高速開關閥可以實現流量與控制量成正比的模擬控制所能實現的伺服控制功能。
  8. A cycle - slip detection and correction technique is developed to detect and correct cycle slips in dual - frequency carrier phase, named as least - squares - search method for cycle slips, which can correct almost all cycle slips when data gap is shorter than a few minutes, with the help of the geometry - free phase combination and the pseudorange minus phase linear combination

    提出了一種周跳檢測與修復的新方法,即最小二乘搜索法。綜合應用電離層殘差法、偽距載波組合觀測值法、最小二乘搜索法等方法,可修復失鎖時間長達數分鐘的周跳。
  9. The first step is to get the floating value by integrating the integer ambiguity of gps carrier signal as a state variable with ins. the second step is to get the fix value by integral filter algorithm. thirdly, the methods for detecting and compensating the cycle slip are researched

    其次研究了載波信號整周模糊度求解演算法問題,提出了一種新的求解方法,即把整周模糊度作為狀態變量通過與慣導的組合得到模糊度的浮動解,然後利用組合濾波器快速演算法來實現整周模糊度的求解。
  10. In this way, it will be more accurate to examine cycle slips and more precise to modify that. in fact the method can perfectly prognosis the trace of gps carrier phase

    實現周跳檢測準確,並可以比較完善地預測在周跳發生過程中gps載波相位信號的修正軌跡。
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