查询词典 scheme

This scheme is regarded as one of practical schemes against adaptively chosen ciphertext attacks, but it is absent of rigorous proofs.

该方案被认为是抗适应性选择密文攻击的实用方案之一，但缺乏严格的安全性证明。

In this paper, we use a light-weight encryption scheme called Privacy Homomorphism that supports operations over ciphertext for our purpose.

因此在这篇论文中，我们利用了轻量化的加密演算法且能提供在密文上做资料计算的方法Privacy Homomorphism来达成我们的目标。

Analysis shows that the proposed scheme can provide complete privacy preservation for the attributes of policy and credential, and also can avoid circle dependence problem caused by the related method.

分析表明，本方案可以对策略和证书的属性进行完全的隐私保护，并且可以避免传统方法所引起的循环依赖问题。

This paper presents a new design scheme of temperature on-line monitoring system of high voltage circuit breaker based on wireless communication.

提出一种新型的基于无线通信的高压断路器温度在线监测系统的设计。

The principle and design scheme is set forth about antenna tracking control system of orbit weather secondary planet in the paper. Its characteristic is that the circuity of the system is greatly simplified by tracking logic circuit, The well effect is shown in practice.

阐述轨道气象卫星天线跟踪控制系统的工作原理及系统设计方案，其特点是采用跟踪逻辑电路，大大简化了天线控制跟踪系统的战略，在实际应用中获得良好的效果。

A new frequency estimation algorithm for Time Domain Synchronization OEDM system is proposed, which utilizes the time domain circular characteristic of PN sequences to adjust frequency offset and then uses a variable step frequency scan scheme to estimate large frequency offset.

提出一种新的适用于TDS-OFDM系统的频偏估计算法，利用PN序列的时域循环特性进行预频偏调整，然后用变步长扫频进行大频偏的估计，定时同步之后再利用PN的时域循环特性进行细偏估计。

On the basis of process measuring,the digital measurement system scheme is puts forward for outer ring circular form .

在工序间检测的基础上，提出了轴承外圈圆度数字化测量系统方案，并在V形块定位的圆度模型推导、测量系统滤波分析、硬件电路和软件流程图方面做了介绍。

Then three candidate modulation schemes exploiting spatial dimensions are proposed. At last, the three modulation schemes are compared by power efficiency and bandwidth efficiency. It shows that spatial quadrature amplitude modulation scheme is appropriate for long distance wireless optical communications for its high bandwidth efficiency and spatial circular symmetry.

参照传统时域信号设计方案，提出了三种空间调制信号具体设计方案，并从带宽效率和功率效率两性能上进行了比较，结果表明正交幅度调制具有带宽效率高、功率效率低的特点，而且采用的信号点越多其带宽效率就越高，另外其空间信号图案还具有圆对称性，因此非常适合在空间带宽有限的远距离无线光通信中使用。

In this paper, a series of lunar map projection formulas are deduced including azimuthal projections, cylindrical projections and conical projections. The lunar map projections software is compiled. By caculating lunar map projection distortions, their projection distortion rules are found. Base on the lunar exploration mission, the lunar map projection scheme is given in this paper. The azimuthal conformal projection or the circumcenter perspective azimuthal projection is usually used in small areas, especially in two poles. When the whole map of the moon is needed, the azimuthal conformal projection or the circumcenter perspective azimuthal projection is used within 10° in the poles, and the traverse tangent cylindrical conformal projection or the normal secant conical conformal projection can be used in else areas, furthermore, band-division is necessary to reduce the projection distortion.

本文推导了基于月球参考球的各种投影公式，主要包括方位投影、圆柱投影和圆锥投影；编制了月球地图投影计算软件；对多种月球的投影变形进行了详细的计算，总结分析了各种月球投影的变形规律；结合月球探测的需要，给出了月球投影方案的建议：对于局部的面积较小的投影区域，建议使用等角方位投影或外心透视方位投影；如果绘制月面全图，在两极10°范围内采用等角方位投影或外心透视方位投影，其余区域可以采用等角横切圆柱投影和等角正割圆锥投影，并且要进行分带处理。

They propose, for example, to scrap Labour's identity-card scheme, introduce the election of local police chiefs and repeal the 42-day maximum for detaining terrorists before they are charged (if there is no new evidence that the 42-day limit is needed, Mr Cameron says circumspectly).

例如，他们建议取消工党的身分证系统；选举产生当地警察局长；废除嫌疑恐怖分子在受审前最长关押42天的法律（卡梅隆想得很周到全面，表示如果没有证据表明必须要关押42天的话，否则就不能对其关押）。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。