接收条件

四川阆中地区属丘陵向山区过渡地形，表层激发、接收条件极为复杂。

Because of the landform from hill becoming to mountain in Langzhong of Sichuan , the shooting and receiving condition of the near-surface become very complex .

从检波器及其与地面的耦合关系出发研究了接收条件对资料采集的影响；

Besides , the influence of receiving condition upon data acquisition are studied by analysing geophone and its coupling to ground , and the effect of high frequency noise on data acquisition is also studied in the article .

接收条件严格化；

Strictness of admitting conditions ;

目前这方面的资料比较少，尤其是在被动接收条件下。

Relatively little work had appeared in present literature in this area , especially on the condition of passive receiver .

然而，由于激发和接收条件产生的地表一致性差异，会引起振幅与波形的变化。

However , amplitude and waveform variations always occur because of the surface in consistency resulting from shot and receiving conditions .

在火山岩区，浅层通常伴随有高速屏蔽层、地表激发接收条件复杂，使用常规二维反射地震探测技术难于获取高质量的反射地震资料。

In volcanic areas , shallow shield is usually accompanied by high-speed layers , complex shooting and receiving conditions on the surface .

这意味着在不改变地面接收条件下，卫星可以工作于离地球更遥远的深空或更恶劣的环境下。

It means , with the same ground receive instrument , that the satellite could work in deeper space and more abominable environment .

去除噪声是必需的地震数据处理过程。由于地表条件和地震波激发、传播以及接收条件等诸多方面的原因，时常引起地震记录上出现各种相干干扰波。

Noise elimination is a necessary , there are all kinds of coherent noise on seismic records because of many reasons caused by shooting , propagation and receiving of seismic wave .

激发、接收条件普遍较差，原始单炮记录上多次折射干扰、面波、随机干扰和高频干扰等干扰波非常发育，而且复杂多变，有效反射能量相对较弱，资料信噪比低；

Exciting and receiving conditions are both poor , and there are a lot of multi-refraction disturbance , surface wave , random disturbance and high-frequency disturbance in the original single shot profile .

同时，干燥松散黄土层与质密黄土层地震波速度差别较大，激发与接收条件难以一致。

At the same time , there is difference of seismic wave velocity in drying loose layer and dense layer of loess , it makes hard to be consistent for exciting and receiving conditions .

为在恶劣接收条件下识别通信信号的调制样式，并实现识别范围的快速调整，运用决策层信息融合技术提出了一种基于多分类器的调制样式识别方法。

In order to reliably recognize various modulation types of communication signals under severe conditions and quickly adjust the scope of the recognizer when necessary , a recognition scheme based on data fusion technology in decision level was proposed .

复杂山地三维地震采集中存在着地表及地下条件复杂，激发及接收条件差，原始资料信噪比低以及静校正问题突出等难题，同时地下多为高陡复杂构造，资料成像也很困难。

Because of the complex surface and subsurface conditions as well as poor shooting and receiving conditions encountered in 3D acquisition in mountainous areas , the data acquired are low in S / N ratio , and difficult in static correction and imaging .

在通信系统的设计中，应用条件概率，确定最佳接收条件，使信源的消息在有噪声和干扰存在的信道中传输，信息到达目的地后产生的错误概率为最小。

In design of communication system , conditional probability is applied to assure the best receiving condition and transmit the messages of message source in the message channel with yawps and disturbance in order to minimize the error probability when the message reach the destination .

在射线路径追踪的基础上，对影响地震波的振幅因素做具体的研究，主要考虑了波前发散、吸收衰减、透射损失、反射损失、激发接收条件以及波的干涉等主要影响因素。

Some factors which mainly affect seismic amplitude , such as wave front divergence , absorption and attenuation , transmission loss , reflection loss , excitation conditions to receive and wave interference , are respectively taken into consideration on the basis of ray path tracing and are further researched .

地面接收站条件下LS波段干扰的判断和处理

The Judging and Processing of LS Band Interference in Ground Receiving Station

在全向发射不同接收指向条件下推导出散射面积计算公式，考察了此时椭圆环上的散射面积、散射强度、传播损失与接收角之间的关系。

The relationship of the scattering area , the scattering intensity , the transmit loss and the directivity of the beam with the received angle in the same condition is studied .

LNG接收终端作业条件危险性评价

Fatalness Assessment on Working Conditions of LNG Receiving Terminal

在未知MPSK信号调制阶数，未知接收码元序列条件下，提出一种基于高阶累量的可同时实现MPSK信号调制类型的初步分类和比较的精确的信噪比估计算法。

A cumulants-based algorithm for estimating the signal-to-noise ratio ( SNR ) of MPSK signals is proposed on the assumption of unknown phase level orders and unknown symbol sequence of the MPSK signals in the received data .

电子战信号环境和装备的最主要特点是宽频率覆盖范围，待处理的信号种类多，而且通常处于被动、非匹配接收的工作条件。

The main characteristics of environment and equipment of electronic warfare signal are that it has wideband frequency coverage bound , many types of pending signals and a work pattern which is normally passive and non-matched receiving .

GB/T12752-1991船用罗兰C接收设备通用技术条件

General specification for marine loran-C receiving equipment

GB/T11442-1995卫星电视地球接收站通用技术条件

General specification for satellite television earth receive-Only station

条件接收模块是由条件接收系统开发公司研制开发，再移植到数字电视接收系统中。

The conditional access system modules are developed specially then transplants to the digital television receiving system .

另一方面，由于人类听觉对声音频率的选择接收特性，边界条件对结构辐射声响度的影响与对物理声的影响有很大不同。

On the other hand , because of the frequency selectivity of human hearing , the effects of boundary conditions on sound quality are different from the one on physical sound .

文章研究了接收天线空间相关条件下组合发射选择/最大比合并方法（TAS/MRC）的性能；

In this paper , the performance of a scheme of combining transmit antenna selection and maximal-ratio combining ( TAS / MRC ) is studied for the case of spatial receive correlation .

在上行链路中，采用选择性分集的接收方式，由接收条件最好的基站接收上行数据。

In the uplink , selective diversity was used to select the base station in the best receiving condition to receive uplink data .

接着引入地震噪声因素，从野外滤波最佳化的角度分析了高分辨率接收系统、叠加组合法接收系统和强化接收系统的应用条件，给出了以噪声强度为约束条件设计地震接收参数的方法。

After introducing a seismic noise factor , analysis on the applied conditions for high-resolution , stack array and enhanced receiving systems is made in the context of optimizing acquisition filters and the method to selecting seismic receiving parameters with a nominal noise level as constraints is also presented .

无线信道的复杂性以及通信技术的多样性给通信信号盲接收带来了极大挑战，特别是无线衰落信道的影响，使接收信号发生畸变，为非合作接收条件下的正确解调增加了难度。

The complexity of wireless channels and the variety of radio communications give more challenge to blind receiver . Especially , the received signal is distorted by channel fading , which causes more difficulties for correct demodulation in uncooperative receiver .