As a private mobile communication system, The digital trunkingmobile communication system was boomed in 1990's, and before this, the appliedprivate mobile communication systems in market are almost the analog systemwith analog voice and digital signalling. And there are no data referring to thesystem design and parameters chosen. It includes the wireless channel accessalgorithm of the mobile terminals, single base station capacity in large regional networks, link designing schemes between the switching control center and basestation as well as the study of the service quality for the multiple traffic. Theseindispensable parameters in design a digital trunking communication system arestudied in this dissertation and some instructive achievements can be got. To provethe correction of the theoretical study, the result was tested with the popularsystem of pan-European digital trunking communication system.

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In this paper,two high resolution explicit schemes are given by interpolation based on different pyramidal stencil for the nonlinear advection equation in two dimensional space.

文章基于金字塔網(wǎng)格免费观看黄色国产网站，采用插值的方法，構(gòu)造了2個(gè)二維對(duì)流方程的二階顯式格式摸人人操人人人，并給出了一個(gè)判斷準(zhǔn)則。

The construction of schemes for directed transitive graph is left as an open problem.

怎樣構(gòu)造針對(duì)有向圖的簽名卻作為公開問(wèn)題遺留了下來(lái)A级野外黄色网。

Using the directional derivative formula, the governing equation is discreted in the physical domain in which a nonorthogonal grid system is used. Two kinds of AF2 schemes, i. e. AF2-plane relaxation and full implicit AF2, for the TSD equation are proposed. Numerical results show that the full implicit AF2 scheme converges faster than AF2plane relaxation scheme. For the rectangular wing and swept wing, the results of the present method are compared with FP results, and the agreement is good.

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Either of the two schemes could recovery the energy from the brine discontinuously and continuously, respectively.

每種控制方案都能實(shí)現(xiàn)鹽水不連續(xù)進(jìn)料與連續(xù)進(jìn)料兩種操作過(guò)程99re这里只有精品视频在线观看。

In this dissertation, two new proxy signature schemes from bilinear pairing are proposed, which are all based on discrete logarithm problem on GDH group. In the first scheme, the proxy signing ability can be revoked during the period of validity. Then, the malicious signer can not sign messages any more. Moreover, in this scheme secure channels are not needed.

本文基于GDH群的離散對(duì)數(shù)問(wèn)題結(jié)合短簽名的特點(diǎn)設(shè)計(jì)了兩個(gè)代理簽名體制麻豆精品视频在线，第一個(gè)體制可以在證書的有效期內(nèi)撤銷代理簽名權(quán)，從而防止不誠(chéng)實(shí)的代理簽名者繼續(xù)簽名人人草av在线，而且無(wú)需安全信道XXXXWWW视频欧美。

In chapter 2, we research the digital signature schemes based on discrete logarithm problem.

本文第二章對(duì)基于離散對(duì)數(shù)問(wèn)題的數(shù)字簽名方案進(jìn)行研究。

By far, most threshold proxy signature schemes proposed are based on the discrete logarithm problem.

目前所提出的門限代理簽名方案多基于有限域上的離散對(duì)數(shù)問(wèn)題啊啊疼轻点视频。

This text combine the actual conditions of Agricultural Bank of China FuShun Branch, analyzed the organization structuring; workflow, personnel structure, salary system, etc. Takes the administration as the visual angle, uniting the contemporary business administration combine strategic objective of Agricultural Bank of China FuShun Branch. The problem is diagnosed and analyzed to corporation human resource management, and then proposes improving proposals and schemes. The original researches aim the resting with help enterprise overcomes defect in the human resource management implements in dispensability step and the administration system, guarantees that the business continue to develop speedily.

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According to migratory population dispersiveness and more migratory characteristic, through adopting the distributed structure, it is designed a set of more intact schemes, so as to

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