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This paper concerns relative technologies about carrier frequency synchronization and estimation in downlink signal in large Doppler frequency shift condition.

本文对大多普勒频移情况中，下行信号载波频率同步估计的相关技术进行了研究。

This paper discusses a fast calculation method of GPS carrier phase integer ambiguity resolution, analyze independent variables in search space, derivate new residual transition matrix which directly associates all measurement error with minimum search space, and search space is minimized through selecting the ambiguity combination which is consistent with satellite geometry size and measurement error.

探讨了一种GPS载波相位整周模糊度的快速求解方法，分析了搜索空间中的独立变量，推导出了新的传递矩阵。该矩阵将所有的测量残差直接和最小求解搜索空间相关联，通过仅选择那些与卫星几何尺寸和测量残差一致的模糊度的组合，搜索空间被最小化。

This paper proposed a new QoS control method of voice service. On one hand, it uses adaptive transmission strategy, such as AMC, power control, sub-carrier allocation and antenna selection, to realize the reliable transmission in physical layer. On the other hand, it adopts ARQ and RRM in the data link layer to control the time delay and jitter of voice services.

本文提出的语音业务QoS的控制方法，一方面通过物理层的自适应传输策略，如调制编码方式、功率控制、子载波分配和天线选择等相关技术来实现物理层的可靠传输；另一方面，通过链路层的ARQ技术和无线资源管理策略来控制语音业务的时延及时延抖动。

A new strategies for restraining harmonics are presented in the paper, the methods adopt the right carrier frequency and the sine wave superimposed a proper three-time harmonics to make it saddle-shaped wave, produce SPWM waveform to control the inverter switching devices for the on and off .

并提出了一种新的易于工程实现的谐波抑制策略，该方法通过正确选择载波频率和在正弦调制波上叠加一个三次波使之成为鞍形波，产生相应的SPWM波形来控制逆变器开关器件的通断从而改善输出波形。

This paper studies the problem of finding an optimal sub-carrier allocation algorithm for multiple secondary users in an OFDMA-based cell network like LTE.

本文提出了例如LTE的OFDMA蜂窝网络中，存在多个非授权用户情况下的最优子载波分配算法。

In this paper,the interference among the multi-carrier is analyzed and regarded as degradation of SNR.

首先分析了由载波引起的载波间干扰，将其等效为系统信噪比的降低。

Adhering to the operation concept of "Making credibility-based cooperation and jointly creating a bright future", the company has established a close cooperative relationship with some famous companies in Singapore and Taiwan: it successfully developed SMT/AI compatible components and thoroughly solved such problems as nozzle whitening ; it produces SMT stencil wiping paper of various specifications according to customers' request with raw materials being imported from in USA; SMT splice tape can change carrier tape without the need to stop machines, thus increasing production efficiency by about 15%.

公司秉承"诚信合作、共创辉煌"的经营理念，先后与新加坡、台湾等著名公司合作，成功研发SMT/AI兼容配件，彻底解决吸嘴反白等行业技术难题；SMT钢网擦拭纸，原材料进出口于美国，可根据客户要求生产各种规格；SMT接料胶片，可实现不停机换料，提高生产效率15%左右；防静电产品，电动工具，小型生产设备，仪表仪器等。

The paper presents a survey of recent advances in deep submicron MOSFET's hot carrier reliability.

本文给出了深亚微米MOS器件热载流子效应及可靠性研究与进展。

In chapter I, this paper elaborates the present historical context of metaphor, presents a contextual analysis of metaphor from the perspective of philosophy of language, points out that syntactics construction is the carrier, semantics projection is the essence and pragmatics choice is the creation mode of metaphor in a certain context.

本文第一章在给出了隐喻研究的当代历史语境之后，从语言哲学的角度考察并说明了：在特定语境中，语形构造是隐喻的载体，语义映射是其本质，语用选择是其生成方式，从而给出了一个较为细致全面的隐喻的语境分析。

The whiteness of newsprint paper is the carrier of Teletext, its whiteness directly affect business card printing and membership card making products.

二、新闻纸的白度纸张是图文新闻的载体，其白度间接感化制卡和会员卡制作品的色彩。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。