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This invention discloses a duplexer and a multiplexer of the communication system and a method to realize them on a PCB circuit, which applies a 3db bridge and a low pass filter to constitute a hopstreet duplexer without waste band channels, in which, the signals are shunted and combined by the design of the circuit structure and power distribution of the 3-db bridge and phase offset function, the band filter of the low pass filter and the reflection function of a stopband to make up of a costless duplexer in theory to merge the two channels of different frequencies and reduce loss to increase volume and working bandwidth, then a multiplexer is formed by cascading multiple duplexers.

本发明涉及通信设备，公开了一种通信系统双工器和多工器以及双工多工方法，使得双工器和多工器能够在PCB电路上实现，并且体积小、损耗小、成本低、容量大。本发明中，采用三分贝电桥、低通滤波器构成无损耗频带信道合路的双工器，其中通过电路结构的设计并利用三分贝电桥的功率分配和相位偏移功能将各路信号进行分路和组合，利用低通滤波器的频带滤波和阻带反射功能联合三分贝电桥构造一个理论无耗的双工器，使两路不同频率的信道合路，降低的损耗、提高容量和工作带宽。通过多个上述双工器的级联构成多工器。

There is a kind of monkey trap used in Asia, a coconut is hollowed out and attached by a rope to a tree or stake in the ground, at the bottom of the coconut a small slit is made and some sweet food is placed inside, the hole on the bottom of the coconut is just big enough for the monkey to slide in his open hand, but does not allow for a closed fist to pass out, the monkey smells the sweets, reaches in with hand to grasp the food and is then unable to withdraw it, the clenched fist won't pass, through the opening, when the hunters come, the monkey becomes frantic but cannot get away, there is no one keeping that monkey captive, except the force of its own attachment, all that it has to do is to open the hand, but so strong is the force of geed in the mind that is a rare monkey which can let go, it is the desires and clinging in our minds which keep us trapped, all we need to do is to open our hand, let go of our selves, our attachment and be free.

在亚洲某些偏远地区﹐流传著某种传统捉猴子的陷阱﹐他们把椰子挖空﹐然后用绳子绑起在树上或固定在地上﹐椰子上留了一个小洞﹐洞内放了一些美饵﹐洞口大小恰好只能让猴子空著手伸进去而无法握著拳伸出来﹐於是顽猴闻香而来﹐将手伸进去抓拿美食﹐而后理所当然的﹐手便伸不出来﹐紧握的拳头伸不出洞口﹐当猎人到来时﹐羣猴惊慌失措﹐但﹐就是逃不掉﹐并没任何人捉著猴子不放﹐它﹐只是被本身的执著所俘虏﹐它只需将紧握的手拳头松软放开便可伸出来﹐但是﹐就是内心中贪恋的欲念所致﹐鲜有顽猴能放下﹐因内心中的欲望与执著﹐使得我们一直受縳﹐面对这逆境﹐我们唯一要做的﹐只是将双手释然放下﹐放下自我执著的坚持﹐就能消遥自在了。

Then align liners with "Y" level and scale based on pass line and pass center.

然后排成衬垫以&Y&水平和规模的基础上，通过传球路线。

This thesis with lie to lead to acquire through the agriculture rod bacteria of turn the gene paddy rice T0 and a seeds in order to experiment the material, the adoption PCR examination and Southerns are miscellaneous to hand over the examination to combine together of method, pass the examination conversion plant posterity in the HPT( the Hygromycin phosphotransferase) gene, study the outside source gene in turn the gene paddy rice posterity of separation circumstance and heredity stability;Pass the influence to a form of form of the conversion plant carries on statistics to learn the analysis, studying the outside source gene to the conversion the sex form of plant.

本论文以通过农杆菌介导获得的转基因水稻T0和T1代种子为试验材料，采用PCR检测和Southern杂交检测相结合的方法，通过检测转化植株后代中HPT基因，研究外源基因在转基因水稻后代中的分离情况和遗传稳定性；通过对转化植株的表型性状进行统计学分析，研究外源基因对转化植株的性状的影响。

Article 37 Enterprises of transport of dangerous chemicals shall provide the training on relevant safety knowledge to their drivers, shipmen, managerial personnel of loading and unloading, and escorting personnel, the drivers, shipmen, managerial personnel of loading and unloading, and escorting personnel must know the safety knowledge of transportation of dangerous chemicals well, and shall pass the examinations made by the departments of communication of the people's governments at the level of city divided into districts of their locations (shipmen shall pass the examinations made by the bodies of maritime administration), and may take up their jobs and start operations only after obtaining the certificates of post.

第三十七条危险化学品运输企业，应当对其驾驶员、船员、装卸管理人员、押运人员进行有关安全知识培训；驾驶员、船员、装卸管理人员、押运人员必须掌握危险化学品运输的安全知识，并经所在地设区的市级人民政府交通部门考核合格（船员经海事管理机构考核合格），取得上岗资格证，方可上岗作业。

Park pass consolidated - Gear Box If you visit a lot of federal parks and forests, as I do, you probably learned of the value of the "Golden Eagle" annual pass for national parks and the little add-on sticker that was good at other pretty places run by the Interior and Agriculture departments....

通过综合园区齿轮箱如果您访问了许多美国联邦森林公园，像我一样，你可能学的价值&黄金之鹰&每年为国家公园和小通加贴纸，善于经营的其它地方漂亮内政部和农业部门

Based on sound intensity measurement and the simulation test of pass-by noise, the main noise source of a motorcycle is identified. The results show that the induction and exhaust noises of the engine are the main noise sources of the motorcycle, and their share of contributions to the pass-by noise are determined.

通过声强测试技术和加速噪声的模拟试验对摩托车的主要噪声源进行了识别研究，结果表明进、排气噪声是摩托车的主要噪声源，并初步确定了进、排气噪声对整车加速噪声的贡献量。

Our good understanding on metal deformation in the roll gap and our numerous roll pass projects and developments provide us with ability for steel pipe/tube rolling roll pass design .

我们对金属在辊缝中变形的深刻理解，以及和我们在孔型设计方面大量的项目和开发工作为我们提供了管轧制孔型设计的能力。

To solve the exsisting problems in the realization of the LFM/CW radar, the thesis presents a technique for dynamically measuring the LFM/CW signals, which can accomplish the dynamic measurements of FM linearity, FM bandwidth and FM slop of the transmitted signals of LFM/CW radars. This technique creates an effective and accurate means of judging the performance of LFMCW radars. The linearity-correction techniques presented in the thesis successfully make the linearity of the transmitted signals of an actual LFM/CW radar reduce from approximately 25% to 0. 1%(or r. m. s linearity of 0.04%), better than the best results (0.22%) obtained by foreign researchers with complex linearization closed-loop in the same kind of LFM/CW radars, according to the published literatures during the last decade. In order to improve the capability of the real-time processing and range-cells management of LFM/CW radars, the principle of equivalent mixing by lacking-sampling process of band-pass real signals is proposed based on the well-proved improvedversion of sampling theorem of band-pass real signals. This principle is used to configure the range-segments processing of the beat signals of an actual LFM/CW radar. The techniques of system-background interference suppression and the beat signal's dynamic range suppression are proposed, and are realized in an actual LFM/CW radar to demonstrate their effectiveness.

针对线性调频连续波雷达实现中急待解决的技术问题，文中提出并验证了线性调频连续波信号的综合动态测试技术，可以完成对线性调频连续波雷达发射信号的扫频线性度、扫频带宽和扫频斜率的综合动态测试，为衡量实际线性调频连续波雷达的系统性能创立了精确有效的测试手段；文中建立的非实时闭环动态校正技术使一部实际的线性调频连续波雷达的发射信号（时带积3×10〓）的扫频线性度从25%改善为0.1%（方均根线性度0.04%），优于国外已公布的80年代同类雷达中采用复杂的实时闭环动态校正环路所获得的实际结果（0.22%）；为了改善线性调频连续波雷达的实时性和分辨单元数处理能力，文中发展完善了实带通信号的采样定理并给予了严格证明，并在此基础上提出了欠采样等效混频原理，将其应用于实际线性调频连续波雷达的距离分段处理中；针对线性调频连续波雷达中系统背景干扰和回波动态范围问题，创立了系统背景综合抑制技术和频域动态范围压缩技术，并将它应用于实孔线性调频连续波雷达系统中，显示出它们的有效性。

At first the current sampling values pass through virtual digital CVTs. And then the voltage and current sampling values are processed by a low pass filter. According to the instantaneous value of transmission line voltage, the current instantaneous values of shunt reactors and P equivalent circuit capacitance can be calculated. After removing these two kinds of current, sampling value differential protection based on all components and fault component can be applied.

由线路电压瞬时值分别实时计算出流入并联电抗器和流入线路Π型等值电路两侧电容的电流瞬时值，再从线路每侧电流除去这两部分电流，用得到的新电流瞬时值作常规采样值差动和故障分量采样值差动保护计算。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。