pilot technique 中文意思是什麼

pilot technique 解釋
導頻技術
  • pilot : n 1 領港員，舵手；【航空】駕駛員，飛行員；領航員；【火箭】起動人員；指導員，領導人；〈美國〉向導...
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無線定位中的測時測距在本質上是一致的，所以本文緊接著分析了基於循環前綴和導頻序列的兩種定時同步方法，並提出了一種新的基於導頻序列的具有脈沖形狀相關峰的定時同步方法。
  2. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。
  3. A deep treatment pilot test was made on micropolluted source water with combined technique of o3 preoxidizing biological pretreatment - coagulant sedimentation - sand filter - o3 after oxidizing biological activated carbon ( bac ) filter

    摘要利用臭氧預氧化生物預處理混凝沉澱砂濾臭氧后氧化生物活性炭濾池組合工藝對微污染水源水進行了深度處理中間試驗。
  4. This paper illustrated the mechanism of microbial huff and puff and microbial flooding and introduces the pilot test effect and economic benefit of the application of microbial recovery in chaoyanggou oil field, providing experience and evidence for the the application of microbial recovery technique in low permeable oil fields

    在闡述微生物吞吐和微生物驅油機理的基礎上，介紹了在朝陽溝低滲透油田應用微生物採油的礦場試驗效果和經濟效益，取得了初步認識，為低滲透油田更好地應用微生物採油技術提供經驗和依據。
  5. Aimed at the characteristics that multi - carrier transmission is sensitive to frequency offset and require high synchronization performance, firstly multi - carrier ofdm technique is introduced, the influence of synchronization offset to ofdm system is analyzed and two kinds of typical synchronization methods are given based on pilot and cp in the paper

    針對多載波傳輸對載波偏移敏感，對同步要求高的特性，論文首先介紹了多載波ofdm技術，分析了同步偏移對ofdm系統性能的影響，給出了基於導頻和循環前綴的兩種典型的同步方法。
  6. The technique power of our company is strong, the management leasing vehicle category is well - found. we can provide various high - quality vehicle according to the different need of customer and provide the airport to connect to send for the each business enterprise, the organization section and social group, pilot, business use, the rite use and tour, the automobile of the long - term or short date leasing business

    本公司技術力量雄厚，經營租賃車輛種類全，可根據客戶不同需求提供各種優質車輛，也為各大企業單位機關部門及社會團體提供機場接送配駕商務用車禮儀用車及旅遊包車長期或短期的汽車租賃業務。現出租車型有高中低檔小轎車，商務車麵包車，中巴車，大巴車等。
  7. There are different ways to make the bit synchronization, for example : the technique of the pilot frequency, the technique of some change about the baseband signal

    為了保證在同步傳輸系統中的位同步，有導頻及對基帶信號信號直接變換的方式，直接變換的方式中，使用線路編碼是比較常見的。
  8. In this paper, we discuss the principle of mimo - ofdm system based on the introduction of fading channels. furthermore, the channel estimation technique in mimo - ofdm system is investigated, with the emphasis on training sequence - based and pilot - based channel estimation methods, and also several basic and improved algorithms are given respectively. finally, the analysis and comparison of these algorithms is made by computer simulation

    本文在分析移動無線通道衰落特性的基礎上，闡述了mimo - ofdm系統的基本原理，並圍繞該系統中通道估計這一關鍵技術，深入研究了基於訓練序列和基於導頻符號的兩類通道估計方法，給出幾種相應的通道估計演算法以及它們的改進演算法，最後結合matlab模擬對這些演算法的有效性和可行性進行了全面地分析與比較。
  9. Since oil and water well channeling is serious, a new type of modified resin sealing channeling agent is studied. combined with proper pilot technique, it obtains a nice effect

    針對目前油田油水井竄槽現象嚴重，對油田生產帶來不利影響，研製了新型改性樹脂封竄劑，通過與適宜的現場工藝相結合，取得了較好的封竄效果。
  10. The pilot technique and instrument for removing ammonia from wastewater by emulsion liquid membrane

    乳狀液膜分離技術的研究進展
  11. In this thesis, a new improved algorithm based on pilot technique is proposed for the synchronization

    本文在現有的同步技術上提出了一種基於導頻技術的同步改進演算法。
  12. Multistage fluidized - bed bioreactor with external circulation has been in use in the production of fuel alcohol by immobilized yeast cells technique. as a new - style reactor. it has the advantage of high conversion, complete reaction and little damage to immobilized yeast cells. flow properties is the foundation of reactor ' s physical transmission process. and it is the key factor of deciding whether the auxiliary material conversion is high or low. at present, the study on flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is rarely reported

    多級外循環流化床生物反應器作為一種新型生物反應器，由於具有轉化率高、反應徹底、對顆粒損傷少等優點在固定化細胞制取燃料酒精技術上得到應用。但是，國內關于中試規模多級外循環流化床反應器流動特性的研究還很少，而流動特性是反應器物理傳遞過程的基礎，是研究物料在反應器中轉化率高低的重要因素，因此，弄清楚外循環流化床反應器的流動特性是非常重要的。
分享友人
分享到 Line

分享到臉書