periodic measurement 中文意思是什麼

periodic measurement 解釋
定期測量
  • periodic : adj. 1. 周期的，回歸的，定期的，定時的；間歇的，時時的。2. 某一時期的。3. 【修辭學】掉尾句的，圓周句的；美詞麗句的。adj. 【化學】高碘的。
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. The method can be used in the measurement of periodic and nonperiodic signal. according to the high accuracy and fixed gate - time measurement method, based on the multiple period synchronization method, the high speed, high accuracy and continuous frequency measurement is accomplished

    將其再與一種從多周期同步法發展而來的高精度、定閘門法相結合，從而實現了高速、高精度、連續頻率測量，這非常適合非頻率量的頻率傳感信號的測量。
  2. The measurement of the friction moment and motor torque wave verifies that the stribeck friction model is accurate and the wave is periodic

    進行了摩擦力矩和電機波動力矩的實驗測試，實驗驗證了非線性摩擦模型的準確可靠性，電機力矩波動的周期性。
  3. The weak dynamic periodic measurement signal detection based on chaotic oscillators

    基於混沌振子探測微弱動態周期測量信號
  4. Flow details of measurement indicate that the coupling of periodic separated flow ( such as low frequency swinging of separation line ) with nozzle flow may cause aft - end internal flow unsteady. recirculation flow gains more energy from the main flow, at the same time the turbulence intensity increases

    通過對測量結果的分析，我們認為分離流動的周期性（如分離線的低頻擺動）與噴管流動相耦合，會造成燃燒室尾部流動的非穩態效應增強，增加了迴流區從主流中獲得的能量，也加劇了流場的湍流脈動。
  5. In the radar elevation coordinate, the multipath effects are more severe, which cause periodic peak error in the target height measurement

    在雷達俯仰角（目標高度）方向上多徑誤差的影響尤為嚴重，使得目標高度的測量誤差表現為周期性的尖峰誤差。
  6. According to development of inland and abroad, a new measurement method has been put forward that make use of the periodic characteristic of the phase difference between two arbitrary frequency signals. in the light of lissajous graph, we complete comparison of radio frequency and microwave with 105 rates relationship in technique. on the ground of common characteristic of frequency signals, this method can be developed to comparison of microwave frequency and optical frequency to accomplish optical frequency measurement

    根據國內外的情況，提出一種新的測量方法：即利用任意頻率信號之間都存在著相互相位差周期性變化的現象，根據李沙育圖形的原理，在技術上完成了射頻到微波信號之間成10 ~ 5頻率關系的比對，再根據頻率信號的共性，將此方法推廣到微波到光頻信號之間的比對，以完成對光頻的測量。
  7. According to the definitions of bottleneck bandwidth, available bandwidth and bulk transfer capacity, we analyzed the algorithms which named vps ( variable packet size ), pptd ( packet pair / train dispersion ), slops ( self - loading periodic streams ) and topp ( trains of packet pairs ) ; based on the principle of sub - path bottleneck measurement, we developed the bottleneck measurement algorithm using heterogenous packet - pair train ; after designing the three child algorithms ( demarcating bandwidth range, approaching bandwidth value and predicting the trendency of available bandwidth fluctuation ), we performed the algorithm called self - loading binary search ; applying the multi - home properties of sctp ( stream controltransmission protocol ) and measurement algorithm of available bandwidth, we presented a scheme to adjust the sctp transport path when there are network congestions or faults ; by the library of winsock and winpcap, we developed a measurement program to look for bottleneck bandwidth. in ns2 experiments, the algorithm based on heterogenous packet - pair train fitted well, and the algorithm of self - loading binary search worked quickly, and the sctp scheme improved the throughput effectively

    本文根據瓶頸帶寬、可用帶寬和btc （ bulktransfercapacity ）三類網路帶寬定義，分析了vps （ variablepacketsize ）和pptd （ packetpair / traindispersion ）瓶頸帶寬測試演算法， slops （ self - loadingperiodicstreams ）和topp （ trainsofpacketpairs ）可用帶寬測試演算法;基於子路徑瓶頸測試原理，設計了異構包對序列的瓶頸測試演算法;並結合三個子演算法（界定帶寬范圍演算法、接近帶寬值演算法和帶寬變化趨勢判定演算法） ，設計了自載流折半查找的可用帶寬測試演算法;把上面的演算法應用到sctp （ streamcontroltransmissionprotocal ）的多宿性和可用帶寬測試，提出了一個網路擁塞或故障時調整sctp傳輸路徑的方案;結合winsock和winpcap兩套網路開發工具，設計了一個瓶頸帶寬測試程序;通過ns2模擬實驗，驗證了基於異構包對序列瓶頸測試演算法的準確性、自載流折半查找演算法的快速性，和sctp改進方案的有效性。
  8. For ac discrete digital signal, the zero - calculating method is applied to calculate the true zero in the periodic signal. for the measurement of ac and dc voltage spectrum, the faster fourier transform ( fft ) is used. to measure dc voltage ripple spectrum and frequency modulation of ac voltage, the digital filter is used

    其中對于交變的離散數字量，採用零點撿出技術計算周波信號的真實過零點；對于交直流電壓頻譜，採用快速傅立葉變換進行頻譜分析；對于直流電壓脈動和頻率調制，採用數字濾波器進行濾波后再做分析處理。
  9. In the first step, the adaptive fuzzy limits are evaluated based on average transmission cost pertaining to ten network statuses. the second step is to compare the proposed algorithm with periodic measurement of traffic in atm networks in six network situations to show that the proposed fc - rwa algorithm can provide better network transmission

    目前部分這類演算法使用網路的平均流量來判斷是否可以加入新的連結，這的確是一個較簡單的方式，但是我們也無法保證網路資料的傳遞會依循著平均流量做很平順的傳送，如此的判斷將會顯得很不精確，甚至會出現大量資料遺失的情況。
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