FMCC Group's business strategy of competition —A perspective based on the value chain of activities

近些年来，通信市场处于一个高增长的状态，市场总容量的扩张提升了通信企业的收入。但随着通信技术的进步以及通信市场竞争的加剧，通信市场已经从快速增长期进入了成熟期，通信企业进入了市场发展的拐点。同时，随着通信企业间竞争加剧，国内的几大通信运营商将很快拥有全业务运营牌照，移动通信即将进入了3G时代，通信企业必须寻找到自己的竞争优势。本论文应用价值链理论，在分析价值链尤其是产业价值链在通信行业中拥有特征的基础上，分析福建移动所处的环境及电信业发展的趋势，提出福建移动新的业务增长点在集团业务市场方面。通过对福建移动在产业价值链上定位分析，提出福建移动需要在移动通信产业价值链中重新定位，向产业价值链的两边...China communications market has been in a high-growth status in recent years. The communications business revenue is raised greatly along with the expansion of total market capacity. On the other hand with the progress of communication technology and the intension of the communications market competition, the communications market has come into the period of maturity from rapid growth. The commun...学位：工商管理硕士院系专业：管理学院工商管理教育中心（MBA中心）_工商管理硕士(MBA)学号：X20031530

Modulation recognition of underwater acoustic OFDM signals based on the correlation property of the cyclic prefix

为解决非合作通信系统中水声OFDM信号的类型识别,本文研究水声OFDM通信信号与常见单载波水声数字通信信号(MPSK,MFSK)之间的调制识别问题。考虑到水声信道复杂传播特性对循环前缀相关性的影响,本文通过截取信号前后片段并迭代搜索双相关峰进行无需先验知识的水声OFDM通信信号特征参数提取,在此基础上设计了一种基于模糊系统的水声OFDM通信信号识别器。对不同信道条件下海上实录信号数据的识别实验结果表明了本文方法的有效性。In order to identify the type of underwater acoustic OFDM signal in non-cooperative communication system,in this paper,the method to discriminate the orthogonal frequency division multiplexing(OFDM)from common single-carrier digital underwater acoustic communication signals(e.g.MPSK,MFSK)over underwater acoustic channels has been investigated.Considering the correlation characteristics of the cyclic prefix(CP)at the presence of the doubly selective underwater acoustic channels,an iterative dual-peak searching strategy is proposed to extract the CP correlation peak feature without prior knowledge,as the input vector of a fuzzy recognition system for modulation recognition of OFDM signals.The experimental results of modulation classification obtained with field signals at three different underwater acoustic channels show that the proposed method has good performance.国家自然科学基金项目(11274259,11574258);; 福建省自然科学基金项目(2015J01172

微重力下盘状胶体颗粒分散体系的液晶相转变

重力对盘状胶体颗粒分散体系的液晶相转变具有显著影响,为此我们借助"实践十号"科学实验卫星进行了Mg_2Al LDH水分散体系液晶相转变的微重力实验,通过CCD图像观察其宏观相行为。与地面实验形成鲜明的对比,微重力下分散体系的临界相变浓度更高。当地面样品已经达到发生液晶相分离的浓度时,微重力样品仍无液晶相形成,整个体系逐渐趋向均匀。随着浓度的升高,微重力样品达到临界相变浓度,出现新的双折射花纹,发生液晶相转变。这是第一

The Right/Wrong Judgment from the View of Public Morality: The Moderator of the Positive and Negative Incentive Effects in Public Service Communication

本文提出社会公德角度对于浪费的对错认知可能是正负面标语发挥作用的重要调节变量。本文首先基于某高校宿舍用水免费和用电付费的情况开展现场实验,在浪费; 免费水"的现场实验中,负面标语比正面标语更有效地节约了用水量;浪费付费电的现场实验显示正面标语比负面标语效果更好。之后以食物消费假想情景实验,进; 一步验证了从社会公德角度的对错判断是正负激励效果的调节变量。Public Service Communication is the activity aimed to promote the; public-interest actions based on the interests of whole society. In the; field of organizational behaviors, incentive strategies include positive; incentives and negative incentives. It was found that positive; incentives could strengthen correct behaviors, while the negative; incentives worked in avoiding wrong behaviors. This paper aimed to; explore whether such positive/ negative incentives can work in the; domain of public service communication. The prerequisite of the above; proposal is the judgement about wasting. It was argued that it would be; judged as wrong if the wasted resource was free, but it would be judged; as not wrong if the wasted was paid. A university offered perfect; conditions of conducting field experiments to test the proposal as its; students use water for free but need to pay for the electricity in their; dormitories. The paper first designed two field experiments to test the; above assumptions. Experiment 1 was about water saving. The water is; free in the university. It included 3 groups. In the positive incentive; group the slogan of "saving water is great" was posted in the bathrooms; of all dormitories, while in the negative incentive group, the posted; slogan was "wasting water is not cool!" In the control group, no slogan; was posted. The results showed, compared with the control group, the; positive incentive slogan did not significantly decrease the amount of; water usage (p = .239), but the negative incentive slogan did decrease; the amount of water usage significantly (p = .048). Experiment 2 was; about electricity saving. Students need to pay for the usage of; electricity in the university. The experiment design and procedure are; similar to experiment 1. The positive (negative) incentive slogans were; posted under the electricity meter outside of the dormitories. No slogan; was posted in the control group. The data of electricity consumption; were recorded during the past 6 months. There was significant difference; (p = .038) between the control group and the positive incentive group; but no significant difference (p = .902) between the control group and; negative incentive group. The experiment 1 and 2 suggested people; reacted to the positive and negative insensitive slogans differently; depending on the wasted resource was free or charged. The post check; revealed that wasting free-offered goods was indeed recognized as; severer "wrong" behavior than wasting the goods paid for. To test the; hypothesis in one domain, the paper designed a 3 (Slogans: control vs.; positive incentive slogan vs. negative incentive slogan) x 2 (payment:; free vs. charge) between subjects experiment. In the free condition, the; participants were asked to imagine the self-service lunch was for free; as it was the university anniversary; but in the charge condition, it; described the self-service lunch had to be paid for. Each condition was; embedded with positive (vs. negative vs. none) slogans depending on the; different slogan group. The participants then evaluated the food saving; intension. The results showed, if the lunch was free, the negative; slogan was more effective than no slogan (p < .001) and positive slogan; (p < .001). By contrast, if the lunch was charged, the positive slogan; was more effective than no slogan (p < .001) and negative slogan (p <; .001). The three experiments imply that in the public service; communication, when the public think "I am not wrong", we should adopt a; positive incentive strategy to persuade the public to take the right; actions; otherwise, a negative incentive strategy should be adopted.国家自然科学基金项

痉挛性斜颈嗅觉功能量化评估临床研究

&nbsp; 目的 探讨痉挛性斜颈(spastic torticollis,ST)的嗅觉障碍及其临床特征,分析ST患者与运动症状及非运动症状的关系.方法 收取2021年1月到2021年12月就诊于安徽中医药大学神经病学研究所的诊断明确的ST患者共32例,以及与患者组左右利手、性别、年龄、受教育年限大致匹配的健康对照者32例.采用中国科学院心理研究所研发的气味嗅棒对ST组和对照组进行嗅觉阈值、嗅觉分辨、嗅觉识别评估,使用西多伦多痉挛性斜颈评分量表(TWSTRS)、评估ST组的运动症状、残疾指数和疼痛评分,比较两组间的汉密尔顿焦虑量表(HAMA)、汉密尔顿抑郁量表(HAMD)、匹兹堡睡眠质量指数(PSQI)、蒙特利尔认知评价量表(MoCA)评分的差异,并分析ST患者嗅觉功能与运动症状和非运动症状之间的相关性.结果 (1)ST组的嗅觉阈值、嗅觉分辨、嗅觉识别及嗅觉功能总分均低于对照组(P＜0.001),ST组的 HAMA(P=0.007)、HAMD(P=0.023)、PSQI(P＜0.001)分数均高于对照组,MoCA 评分(P＞0.05,表1)两组之间无差异性.(2)ST患者的嗅觉识别功能总分与MoCA呈正相关(r=0.589,P=0.000)、与年龄呈负相关(r=-0.385,P=0.03),嗅觉功能与病程、TWSTRS运动评分、TWSTRS残疾评分、TWSTRS疼痛评分、HAMA、HAMD、PSQI无相关性.结论 ST患者的嗅觉障碍发生率高,表现为嗅觉阈值、嗅觉分辨、嗅觉识别功能的全面降低,ST的嗅觉障碍与运动症状、疼痛、焦虑、抑郁、睡眠障碍均无相关性. </div