frequency multiplication 中文意思是什麼

frequency multiplication 解釋
倍頻
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • multiplication : n. 增加,增殖；倍增；【數學】乘法；乘法運算。
  1. Through utilizing the shift multiplication characteristics of m series, this kind of radar system eliminates the bad effect of doppler frequency. in theory, the doppler tolerance of the radar system can reach the half of the code rate with proposed echo pretreatment method in this paper

    從理論上說，應用於該雷達系統的信號處理方法可以使得雷達系統的多普勒容限達到偽碼子碼重復頻率的一半，從而使偽碼調相雷達可以有效地發現高速目標。
  2. The paper, for the harmonics detection method used in power system, presents an sampling method based on frequency multiplication phase - locked. through phase - locked loop to track the power wave, which not only reduces the affect of spectrum leakage to the harmonics analysis, but also realizes quick. accurate and, real - time measurement

    本論文主要針對電力系統中採用的諧波測量方法而提出的一種基於鎖相倍頻採集方法，通過鎖相環對電力波形進行實時跟蹤，既解決了頻譜泄漏對諧波測量精度的影響，又實現了快速的，準確的，實時性的測量。
  3. Finally, the article introduces the bits equipment ( clockstar ) that the author participates in tapping in wri ( fiberhome under wri ), which applies the dds technique and different frequency multiplication technique to the equipment and analyzes the circuit diagram tapped by the author himself

    論文最後介紹本人在武漢郵電科學研究院（烽火通信公司）親自參與開發的bits設備clockstar ，並將dds技術、差頻倍增技術應用於該設備，分析本人實際製作的電路。
  4. The simulation results show the feasibility of this method which provides a new and simple way through hardware linear multiplication for frequency multiplication of periodic signal with unequal periods

    該方法採用硬體線性細分，為解決非等周期信號的倍頻問題提供了一種簡便易行的方案。
  5. Based on above - mentioned schemes, the power detection system based on tms320vc5410 is designed, which realizes collection, a / d, digital signal processing. keyboard. display and uart ? the ad73360 gather chip commonly used in power system is used in front of the power detection system, and the circuit of frequency multiplication phase - locked is consisted of phase - locked loop device ? d4046 and frequency division device cd4060 to produce the gather signal of ad73360 frequently, the gather wave and re sult can be displayed on lcd

    基於上述方案，本人設計開發了基於tms320vc5410的電力採集檢測系統。基本實現了採集、 a d轉換、數字信號處理、鍵盤顯示、異步通信等系統軟硬體設計。該系統前端採用電力系統常用的ad73360採集晶元，鎖相倍頻電路由鎖相環cd4046與分頻器cd4060一起構成，產生ad73360採集觸發信號。
  6. By processing real - time digital analog fault vibration signal and adopting minimum quadric multiplication and rectangle function, correct frequency chart will be gained. thus, the system design based on advanced dsp can be applied to the real - time fault diagnosis of rolling bearing in modern high - speed train

    通過對採集的模擬的有故障振動信號進行在線實時數字信號處理，並在信號分析方面採用了最小二乘法及加窗函數，以獲得正確的頻譜，通過信號處理，並進行結果比對，進而可證明此系統在高速列車轉向架滾動軸承在線診斷中應用的可行性。
  7. Basing on the operating characteristics of the pmsm machine tool spindle drive system, a novel frequency multiplication circuits which can be switch to 2 or 4 times of base frequency is proposed in the paper. it resolves the paradox of using a same photoelectric encoder under high and low speed operating condition of motors

    它能夠根據指令實時的對編碼器反饋回來的電機速度信號進行2倍頻或4倍頻處理，解決了用同一個編碼器來檢測電機低速和高速的矛盾。
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