airline pilot
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In this flavoring food workshop, it produces and develops pumpkin pudding, purple rice pudding,Chinese-style almond jelly, fruit, XO sauce, as well as thousand island dressing, delicious salad juice, balsamic vinegar, tomato sauce, cold noodle juice. These products not only satisfy the demand from large domestic airline companies such as China International Airline Company, China Southern Airline Company, but also win the support from German LufthansaAirline Company, Japan Airline Company,Dragon Air Company, French Airline Company.
在这间以航空配餐食品为主的料理食品车间里,不仅生产自主研发的南瓜布丁、紫米布丁、绿茶布丁、杏仁豆腐、汇水果、XO酱等食品,还有专门邀请国外食品专家调制的美味汁沙拉汁、意式香醋汁、法汁、千岛汁、番茄百里香汁、调味面汁等调理食品,这些产品除了满足中国国际航空公司、南方航空公司、等国内大型航空公司的需求外,也深受德国汉莎航空公司、日本航空公司、港龙航空公司、法国航空公司的青睐。
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The major findings include:(1) By using fuel as the base indicator of relative efficiency, we found the following input factors' distribution inefficiency for domestic airlines: The distribution inefficiency of labor and capital input factors differs from airline to airline, and is becoming more severe with time; the distribution inefficiency of other factors does not differ very much among airlines but varies with time. It is inefficient from 1989 to 1995 but becomes more efficient during 1996 to 1997;(2) Airline companies have higher economies of density before 1996, but tend to show a constant return to density in 1997 when considering allocative distortions. The technical efficiency of input factors as a whole has declined after the open-air policy;(3) The costs of airlines are increasing significantly due to their distribution inefficiencies;(4) The instrument variable generated through a quasi price function does not have significant influence on cost; this may imply that airline companies in this time period did not exhibit the phenomena of high-quality high-price.
其主要结论如下:(1)藉由相对燃油分配效率探讨各投入要素之分配扭曲情形发现:劳动和因定投入要素之分配无效率因公司别而有所不同,且随时间而严重,唯民国86年稍有改善;其他要素之分配无效率则较不因公司别而有所不同,但亦随时间发生变化,初期为无效率,在民国85、86年则较具效率;(2)若考虑分配扭曲情形下,国内航空业在民国85年之前具有较高之密度经济,民国86年则趋向固定密度报酬;此整体投入要素之技术效率而官,在天空开放政策后其技术效率随时间变化而下降,但就燃油投入要素平均技术进步率而言,则其技术效率逐年增加且幅度明显;(3)航空公司因分配无效率所造成成本增加的情形相当明显;(4)准价格工具变数对成本之影响并不明显,此可能反映在此期间国内航空公司似乎并未趋向於高品质高价格之现象。
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The paper investigates both block-type pilot linear minimum mean square error algorithm and IEEE802.16 OFDM channel estimation analysis. Simulation results confirm the block-type pilot structure is more suitable for IEEE802.16 system. An optimal pilot setting algorithm, based on space frequency domain, is explored and the pilot chart is presented. The proposed algorithm finds its application in MIMO-OFDM. Simulation results show the algorithm presents a good approximation to the perfect channel state information curve, with about 2dB difference in SNR. The simulation results also demonstrate the algorithm achieves fairly high stability in the environment of fast fading, performance of the proposed algorithm is better that of pilot training channel estimation.3. Taking into account the characteristics of IEEE802.16 OFDM system, OFDM system simulation platform is constructed in Matlab, exploiting simulink as a tool. OFDM modulation and demodulation simulation system are configured on LabVIEW platform. All the system signal processing is simulated, including defining system parameters, designing modulation model, and verifying all the proposed algorithms under different environments, such as white Gaussian noise, multi-path fading, with or without guard interval etc. Bit error performance is evaluated. The research provides valid theoretical basis for practical OFDM system performance evaluation.4. Taking advantage of software radio, the paper designs a hardware platform with both 256-IFFT/FFT and 512-IFFT/FFT OFDM schemes co-existing in one platform. You can predetermine one from the two schemes to carry out almost the same model function with different system performance and parameter setting.5. Referring to IEEE802.16 standard, the paper proposes a design method for generating signals and frames suitable for laboratory investigations implemented in laboratory environment.6. Based on 6701evm digital evaluation card, combined with analogy front-end, the paper designs a DSP software model to deal with baseband signal processing. An overall OFDM scheme, with modulation and demodulation function, is accomplished.
讨论分析了MIMO-OFDM中一种基于空频域的最优导频设置算法,给出了导频图案,通过仿真实验表明,该算法与理想的信道状态信息曲线非常接近,信噪比差距约在2dB左右,并且在快衰落条件下具有较好的稳定性,其性能要优于基于前导训练的信道估计方法。3、根据IEEE802.16OFDM系统特点,论文分别在Matlab中应用Simulink工具构建OFDM系统仿真平台、在LabVIEW平台上实现了OFDM调制解调仿真系统,模拟了整个系统的信号流程,进行了OFDM仿真系统参数的选择和调制模块的仿真设计、论证各算法性能,并根据各种不同的条件:例如高斯噪声、多径衰落、有无保护间隔等,对系统的误码特性进行了评估,为正确评价实际OFDM系统的性能提供了有效的理论依据。4、论文以软件无线电思想作为指导,提出了以256点IFFT/FFT为核心和以512点IFFT/FFT为核心的两种OFDM算法模式并存于同一个硬件平台、且可预选的方案,它们在参数选取和性能指标上有所差异,均实现了相似的模块和功能。5、论文参考IEEE 802.16无线网络标准的参数设置,针对本设计系统的应用环境和系统硬件的性能速率,提出了一种应用于实验室环境的信号结构、帧格式等参数设计。6、论文基于TI公司的6701evm数字评估板卡,结合模拟前端搭建数字中频平台,设计了基带处理的DSP软件模块并进行系统调试,基本实现了一套完整的OFDM调制解调方案。
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airline pilot:飞行员
agree with you 同意你的意见 | airline pilot 飞行员 | all kinds of 各种各样
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airline pilot:航班飞行员
2.professional basketball player 职业篮球运动员 | 3. airline pilot 航班飞行员 | 4. take lessons 上课
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airline pilot:飞行员;飞机驾驶员
77 (81) airline n. 航空公司 | 78 (81) airline pilot 飞行员;飞机驾驶员 | 79 (90) airplane n.飞机
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Airline Pilot Association:民航机师协会
"Airline Medical Director Association","航空公司医务主管协会" | "Airline Pilot Association","民航机师协会" | "airline transport pilot certificate","民航运输驾驶员证书"
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He is an airline pilot:他是民航驾驶员
373. A large passenger aircraft will land on the airfield. 一架大型民航班机将降落在... | 374. He is an airline pilot. 他是民航驾驶员. | 375. Mr.Wang is a staff of France airline. 王先生是法国航空公司的...
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