directional energy 中文意思是什麼

directional energy 解釋
定向能量
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • energy : n. 1. 干勁，活力。2. （語言、行為等的）生動。3. 〈pl. 〉 （個人的）精力；能力。4. 【物理學】能，能量。
  1. Because of the circuitous and directional flow of waterways, railways often have an energy advantage over barges

    由於河道迂迴曲折且水流具有方向性，因而鐵路運輸較之水運，常常具有節能優勢
  2. This massage chair cushion widely uses in the massage parlous of the health care and lives, it can make you enjoy and receive omni - directional depth massage after the work, remain plentiful energy throughout

    該按摩椅墊廣范使用在保健按摩室、家居，它能使您在工作之餘享受得到全方位深度按摩，始終保持充沛的精力。
  3. And experiment was based on the simulation, the results show that charge circuit and uplifted circuit both was adopted the same circuit, which can realize energy bi - directional flow, also have low switch ullage and high dynamic response

    在此基礎上進行了實驗研究，模擬和實驗結果表明，該裝置升壓和降壓只採用同一個主電路，即可實現能量的雙向流動，且具有低開關損耗和較高的動態響應。
  4. All aspect patterns are dynamic, not directional and rely on the energy generated by the archetypes of planets ' energies

    所以的相位樣式都是動態的，不是定向的、得依靠由行星能量的原型所產生能量。
  5. The sa9904b, produced by sames company, is a three phase bi - directional energy / power chip and completes the measurement of rms voltage, rms current, powe, energy, power factor and frequency as the kernel of detecting unit

    本系統採用sames公司的三相雙向電能功率晶元sa9904b作為測量單元的核心來完成電壓、電流、功率、電能、功率因數和頻率的測量。
  6. The wider range of the directional distribution of wave energy, the shorter of the mean crest lengths and the wider range of the distribution of crest directional angles. the crest height and crest length show a high relativity while the crest heights are low and become independence at very high crest height

    獲得了波峰長度的統計分佈、波峰長度與波峰高度的聯合分佈、波峰高度與波峰長度相關性、波峰長度與波峰方向角的聯合分佈以及波峰在一個大面積海域中的出現概率等結果。
  7. The directional routing protocol ds _ dsr put forward by the author is the improvement of the current protocol dsr, complete routine discovery and maintenance by directional neighbor nodes routing table, source routing and directional steering. the research discovers the application of the directional antenna, compare the omnidirectional antenna can increases the networks " total throughput, obviously reduces the co _ channel interference ( cci ), multiple access interference ( mai ), enlarges the nodes " signal and interference to noise ratio ( sinr ), and because of the high gain of directional antenna can realize the communication with farther distance and less jump, end to end delay can decrease deeply, simultaneously, security of networks can be improved partially, the node energy also can be saved easily by power control

    本文提出的定向路由協議ds _ dsr是基於對現有協議dsr的改進下實現的，通過定向鄰節點路由表、定向源路由和定向搜索來完成路由發現與維護。研究發現，定向天線的應用，相比全向天線可明顯提高網路的總的吞吐量，減少通道干擾、多址干擾，提高信干噪比，且由於定向天線的高增益可實現較遠距離、較少跳數的通信，減少了路由發現時間，這樣大大減小了傳輸時延，網路的整體性能得到了不同程度的提高，同時部分地解決安全問題，通過功率控制還可較容易的實現節能的目的。
  8. The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit

    新型機具有4個技術特點： （ 1 ）由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用，在平衡抽油機大部分載荷時，不需另外增加配重，可減小抽油機體積、質量和佔地面積； （ 2 ）抽油機下沖程時，與活塞柱塞式液壓缸相連接的蓄能器吸收能量，上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量，大幅度降低抽油機裝機功率； （ 3 ）利用變頻容積調速節能效率高，閉式油路節省液壓油，同時大大減小液壓泵站的體積； （ 4 ）在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速，其工作的穩定性和安全性更好。
  9. As the key role of vehicle revolution, the electrical motorcycle drive system has many shortcomings such as low energy efficiency, short running distance within once charge, etc. i n this paper, based on studying the traditional bi - directional energy converters of dc drives, a novel energy saved electrical motorcycle ac drive is presented

    環境保護和能源問題是二十一世紀「綠色革命」的兩大主題，電動車作為汽車「綠色革命」的主角，存在著能量使用率低、一次充電行駛里程短等問題。本文通過研究直流調速系統雙向功率變換電路，提出一種zczvsboost雙向dc dc變換器與vvvf變頻調速器相結合，驅動鼠籠型異步電機的節能型電動車交流驅動系統。
  10. The concentrating energy source focuses the energy down and reduces percussion for the ground by using the theory of directional charge

    聚能震源彈採用定向聚能的原理，使激發的能量集中向下，減少了對地面的沖擊。
  11. According to the change of society ' s requirement for talents, in the specialty practice training, it set up different skill and ability direction to different post group to carry out more directional and sharp training, this broke the single teaching contents to make students have more selection and more energy to study some skill deeply

    摘要根據社會對人才需求的變化，在專業實訓中設置不同技能方向針對不同的崗位群進行更具針對性的訓練，打破了單一的教學內容，使學生有更多的選擇餘地，有更多的精力深入的學習某一技能，實現差異化發展，提高了學生就業的競爭力。
  12. With the serious problem of harmonics pollution to the power system, as well as the need of high performance of ac drive application, three - phase pwm rectifiers have been as active research topic in power electronics recently, due to the virtues, such as sinusoidal input currents, unity power factor, steady output voltage, good dynamics and bin - directional energy flow

    隨著電網諧波污染問題日益嚴重和人們對高性能電力傳動技術的需要， pwm整流技術引起人們越來越多的注意。三相pwm整流器可以做到輸入電流正弦、單位功率因數、直流電壓輸出穩定，具有良好的動態性能並可實現能量的雙向流動。因此， pwm整流器成為當前電力電子領域研究的熱點課題之一。
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