最低工作頻率 的英文怎麼說

中文拼音 [zuìdīgōngzuòbīnlǜ]
最低工作頻率 英文
lowest operating frequency
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 工 : Ⅰ名詞1 （工人和工人階級） worker; workman; the working class 2 （工作; 生產勞動） work; labour 3 ...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 頻率 : frequency; rate
  1. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面波（其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ，和聲表面橫波等）諧振器的工作原理、設計參數、製作工藝及其實驗結果，並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器，以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。
  2. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果，選取結構邊緣部分的兩個節點，對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風荷載的橫向振動是很敏感的，在進行工程設計時應該考慮這種因素，並可採用乘以風振系數等相應方法來加以體現。
  3. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  4. In this paper, the common used encoding algorithms and basic finite - field opera - tions algorithms are introduced, and the decoding algorithms such as inverse - free ber - lekamp - massey ( ibm ) algorithm, reformulated inverse - free berlekamp - massey ( ribm ) algorithm and modified euclidean algorithm are analyzed in great detail. based on the ribm algorithm, a modified structure and a pipelined decoder scheme are presented. a tradeoff has been made between the hardware complexities and decoding latency, thus this scheme gains significant improvement in hardware complexity and maximum fre - quency

    本文簡要介紹了有限域基本運算的演算法和常用的rs編碼演算法，詳細分析了改進后的euclid演算法和改進后的bm演算法，針對改進后的bm演算法提出了一種流水線結構的譯碼器實現方案並改進了該演算法的實現結構，在譯碼器復雜度和譯碼延時上作了折衷，降低了譯碼器的復雜度並提高了譯碼器的最高工作頻率。
  5. In chapter 5, we redesign the architecture and data flow of the encoder program according to the characteristics of dsp. at last, we summarize our researches in chapter 6, and propose some advices to give directions to the following work.

    最後，在第六章中，對基於監控場景的甚低碼率視頻壓縮演算法研究工作，進行了總結，並為將來的發展提出了展望和規劃。
  6. Finally introduced the method that use adf4113 and provied the real test result of this multi - frequency, low phase noise pll frequency synthesizer with 30mhz working band and 1mhz frequency step. in addition, some method that solved the problem often occurred was introduced

    最後給出了由ad公司的電流泵數字鑒頻鑒相器adf4113和無源環路濾波器構成的頻率合成器的控制方法和實驗測試結果，實現了工作帶寬30mhz ，頻率步進1mhz的多點頻、低相噪頻率合成器。
  7. The maximum permissible error when the working frequency of resistor is equal to or lower than the measurement frequency

    電阻箱的工作頻率等於或低於測試頻率上限時的最大允許誤差。
  8. At the operating voltage and current less than rated values, the amplifier provides a maximum of 5. 94 - w ( continuous wave ) output power when driven into saturation. the average combining efficiency over the operating band was estimated at 82 %. the maximum combining - efficiency and the overall power - added efficiency ( pae ) is 87 % and 13. 6 %, respectively

    該功率合成放大器在低於mmics功率單片額定工作值的情況下獲得了1 . 7ghz帶寬的最大飽和輸出功率5 . 94w （連續波） ;整個帶內合成效率估計平均為82 % ，最大合成效率達87 % ，功率相加效率（ pae ）約為13 . 6 % ;若電源達到mmics單片的額定值，估計最大輸出射頻功率將會達到7w 。
  9. At last, the comparative experiment is taken on in the condition of low - frequency, middle - frequency and high - frequency comparatively, tests including the pressing - degree of this machine, running - velocity, vibrate character and productivity. the result of experiment is the basement for parameters optimization and improvement of th e machine

    最後，對試驗樣機在低頻、中頻和高頻振動沖擊作用下進行了如下幾方面的對比試驗：壓實度、工作速度及振動性能測試，並進行了生產率計算，為機器參數優化和改進提供了依據。
  10. Loading grads is another non - structure coefficient influencing loading characteristics except loading frequency. the low grads characteristics are analyzed deeply by simulation, and found that applying structure invariance principle with acceleration compensation can reduce loading grads effectively. the dissertation also simulates and compares the systems with connect hole of different size, and founds that the size of connect hole has an optimized value

    加載梯度是除了加載頻率之外另一個影響加載性能的非結構上的參數，論文作了大量的模擬分析來研究小梯度加載特性，得出了具有加速度補償的結構不變性原理可以有效的降低小加載梯度時的多餘力矩的影響;通過對具有不同的總壓力流量系數的系統的模擬比較，得出了連通孔的大小在不同工況下存在一個最優的值，其開度需要合理的選擇。
  11. Meanwhile i give analysis method of constellation map. to update system, system optimization direction is taken as the most important thing, such as choice of modulator parameter, reduce power dissipation, improve circuit work frequency,

    同時給出星座圖分析說明;最為重要的是提出系統優化的方向，如調制參數的選擇、如何降低功耗、如何提高電路工作頻率，為系統的升級做了規劃。
  12. The iso / mpeg - audio layer iii digital audio compression scheme is the most powerful of the three audio compression algorithms standardized in iso / mpeg dis - 111 72. even at very low bit - rate of only 64kb / s, layer iii is one of the most excellent compression tools for applications such as real - time network radio and high fidelity music. this paper describes a study on algorithm simulation of mpeg / audio compression layer iii

    Mpeg / audiolayer提供了iso / mpegdis - 11172標準的三個音頻壓縮方案中最強的壓縮能力，即使工作於64kbps ，仍能保證高品質的音響效果，是需要以低碼率傳送數字高保真音頻信號的應用領域的理想工具。
  13. In the scheme, not only the rtlinux ' s double kernel structure and its virtual interrupt are adopted, which make the standard linux process as the lowest priority one in the real - time kernel, but also the 8254 is set to work in the one - shot model by using the kurt ' s utime package, which improves the clock frequency of the os and reduces the cpu ' s extra burden

    這種新的實時化方案利用了rtlinux的雙內核體系結構和中斷虛擬機技術，將標準linux進程作為實時內核的一個優先級最低的任務進行調度；同時還利用了kurt中utime軟體包將定時/計數器8254置為one - shot工作模式，從而既提高了操作系統的時鐘頻率，又解決了cpu額外負擔過重的問題。
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