... offering new services and applications, the success of the 4G of. .. is offered by the autocorrelation properties of the spreading codes The RAKE receiver should contain multiple ... better than the three spectrum configurations of the MSR access scheme Next, the thesis looks into some of design and implementation issues of STBC MC -CDMA systems First, the timing ... Mapping of the chips in the frequency domain allows for simple methods of signal detection This concept was proposed with OFDM for optimum use of available bandwidth The realization of
Ngày tải lên: 16/09/2015, 15:54
... reduction) The following chart shows the relationship between the trees area of GC and the amount of absorbed 𝐶𝑂2 in the period of 2016 and 2019 The rapid reduce of trees land causes the 𝐶𝑂2 absorption ... absorption capacity of the GC to decline The trend of the graph goes down, and in the near future, carbon stocks will change seriously according to the negative side If there is no control of the development ... found the relationship between the annual absorbed carbon amount of the Green Corridor and the proportion of green land in this area In order to enhance the 𝐶𝑂2 absorbing capacity of the GC, the
Ngày tải lên: 22/09/2020, 00:51
A study on the benefits of reading english newspapers to expand the english reading capacity of english majored freshmen at tay do university
... the documents or research related to the benefits of using newspapers in improving the capacity of learners - Designing the frame work of the research - Designing the questionnaire based on the ... from the experts, English newspaper brings a lot of benefits for the readers, therefore, the author design the research based on the previous studies The autho choose the participant randomly The ... their English skills Within the scope of the research and the limitations of this newspaper, the researcher presented the research content on how to develop students' reading ability One of the
Ngày tải lên: 29/08/2023, 22:46
THE EFFECT OF REFORESTATION ON THE CARBON SEQUESTRATION CAPACITY OF A DEGRADED DRYLAND IN BINH THUAN, VIETNAM
... artificially planted Therefore, the further the forest succession, the higher the biomass on a site and the higher the C storage in the biomass and soil pools Figure 1: Model of forest succession ... the time of the Vietnam war, the forest was used as hiding place for soldiers After the war a massive clearing of the forest started Thus, forest cover decreased after 1975 until the end of the ... out of the drill during extraction from the ground the drill was inserted into the soil at an angle of Trang 22between 70° to 90° into the soil surface Furthermore, to mitigate the loss of soil
Ngày tải lên: 07/05/2024, 03:30
Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge
... in adsorption capacity of PAC in the aeration tank. The objective of this study is to clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process. ... clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process. The adsorption capacity of PAC for 3,5-DCP was significantly decreased by the addition ... Adsorption capacity of PAC in aeration tank The adsorption isotherms of new PAC and PAC in the aeration tank for 3,5-DCP are shown in Figure 2. Although the adsorption capacity of the PAC in the aeration
Ngày tải lên: 05/09/2013, 08:40
báo cáo hóa học: " Biomarkers of oxidative stress and its association with the urinary reducing capacity in bus maintenance workers" pptx
... and the urin- ary excretion of 8OHdG can be considered as a measure of the whole-body oxidative stress [20-22]. The presence of 8OHdG in urine seems to originate mostly from the oxidation of the ... coulometric determination of the CO 2 evolved from a two-stage ther- mal decomposition of the carbonaceous compounds pre- sent in the particles. The OC content refers to the amount of carbon evolved ... independent of the diet [69] It is unlikely that the diet of the workers changed drastically during the two sampling days, suggesting that the observed urinary increase of the reducing
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: " The impact of spatial correlation on the statistical properties of the capacity of nakagami-m channels with MRC and EGC" pdf
... study the mean channel capacity (or the ergodic capacity) [26], while the CDF of the channel capacity is useful for the derivation and analysis of the outage capacity [26]. The mean channel capacity ... improvement of the system performance [29]. The temporal behavior of th e channel capac ity can be investigated with the help of the LCR and ADF of the channel capacity. The LCR of the channel capacity ... while the ADF of the channel capacity decreases. On the other hand, for the case of EGC, an increase in the spatial correlation decreases the mean channel capacity, whereas the ADF of the channel
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article A New Achievable Rate and the Capacity of Some Classes of Multilevel Relay Network" potx
... same frequency band are shown by the lines with the same type. The capacity is given by the following theorem. Theorem 4 (see [5, Theorem]). The capacity of the relay channel with orthogonal ... line. The channels converging at the sink are shown by dot lines. The capacity for the networks of Figure 6 is given by the following theorem. Theorem 5. ForthenetworkdepictedinFigure 6,thecapacity ... part of the message is directly decoded by the sink, while the other parts are decoded by the next relay. In the next blocks, the sender and the relays cooperate with each other to remove the
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article On the Throughput Capacity of Large Wireless Ad Hoc Networks Confined to a Region of Fixed Area" pptx
... the increase of the through- put with node density due to the increase of received power to noise ratio. The second effect is the decrease of the throughput due to the increase of the number of ... density. We find that there exists the value of the node density (the “critical” density) depending on the ratio of the total noise power to the transmit power such that the throughput increases ... regime, the throughput increases with the node density (and hence with the total node number as the area of the region is fixed). When the node density be- comes high enough the increase of the throughput
Ngày tải lên: 22/06/2014, 00:20
Báo cáo nghiên cứu khoa học " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems - MS3 " pot
... daily water use of plants growing in a greenhouse. Water wicks up into the substrate from the base of the pot fed by an individual tank. As the plant uses water the level in the tank drops and ... project to facilitate rapid adoption of project outputs. 5.3 Capacity Building Capacity building has been the focus of much of the project activities during the last six months. Activities undertaken ... required under the various GAP systems. This is timely given the imminent release of the ASEAN GAP guidelines. At the present time the Vietnamese vegetable industry falls short of the environmental
Ngày tải lên: 22/06/2014, 12:20
Báo cáo nghiên cứu khoa học " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems - MS6 " pptx
... these workshops will have greater participation of farmers and other supply chain participants and that there will be additional informal training activities either side of the workshop • • The ... the daily water use of plants growing in a greenhouse Water wicks up into the substrate from the base of the pot fed by an individual tank As the plant uses water the level in the tank drops and ... and other supply chain participants Linkages with these farmers will be fostered throughout the life of the project to facilitate rapid adoption of project outputs 4.3 Capacity Building Capacity
Ngày tải lên: 22/06/2014, 12:20
Báo cáo nghiên cứu nông nghiệp " Increasing the capacity of the Food Crops Research Institute to enhance the Production and Management of Potatoes in the Red River Delta " pot
... understanding of the dynamics of both domestic and export markets and the various means farmers have of collectively manipulating the supply of potatoes (and prices) to the market The hands-on nature of ... develop the capacity of the FCRI in a number of key areas: crop management, variety evaluation, agronomy profiling, post harvest and marketing The project has demonstrated the benefits of using ... that the absence of a high quality, pathogen free seed of the desired physiological age is the major constraint limiting the expansion of the potato industry in South East Asia For many years the
Ngày tải lên: 22/06/2014, 13:20
Báo cáo nghiên cứu nông nghiệp " Enhancing the capacity of Vietnam to reduce the losses of grain and grain quality in storage through improved training " doc
... The activities of our Vietnamese collaborators are very significant and indicate their appreciation of the potential of the technology that they have been provided with by the project. As the ... particular circumstances. They must also be aware of the impact of their actions on the environment, so as to minimise pollution, and maintain the safety of their co-workers and themselves. This means ... input The. .. significant and indicate their appreciation of the value of the technology that they have been provided with by the project They have indicated to us that they will
Ngày tải lên: 22/06/2014, 13:20
Báo cáo nghiên cứu nông nghiệp " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems " ppt
... designed to build capacity in the design and utilisation of such systems and the components of such systems eg hydroponic systems in a Vietnamese context The overall objective of this project was ... how they could improve the QA aspects of their business Developing the market share for Vietnam coir products for use in the greenhouse and hydroponic industries requires an understanding of product ... influencing the practices of others through the formation of a farmer group selling into Metro and the Saigon Co-opmart Technical expertise and assistance was also provided to a number of entrerprises
Ngày tải lên: 22/06/2014, 13:20
Báo cáo hóa học: " On the Channel Capacity of Multiantenna Systems with Nakagami Fading" pot
... generalization of previous MIMO results. On the other hand, there are no reports in the literature on the study of the chan- nel capacity of MIMO systems with the Nakagami fading to the best of the authors’ ... the space of the fading matrix A. The set is the largest possible set for which C Θ , the capacity of the compound channel with parameter A ∈ Θ R ,satisfiesC Θ ≥ R. The outage probability is then ... to the cor- responding one in the case of the Rayleigh fading channels (cf. [2, Example 3]). Figure 4 shows the relationship between the lower bound of the channel capacity and the number of
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Bounds on the Outage-Constrained Capacity Region of Space-Division Multiple-Access Radio Systems" docx
... bound on the capacity of one combination of users chosen from the entire set of users. For example, if there are three mobile users, then we can find the bounding rate regions for each of the following ... Processing Consider first the simple case where the channel condi- tions are fixed, that is, H is constant. The capacity region of the multiple-access channel is then the set of all rate vectors R ... outer bound on the outage capacity region will be defined by a series of planes rather than straight lines, and is therefore in the shape of a polyhedra instead of a polygon as in the two-user case.
Ngày tải lên: 23/06/2014, 01:20
A counterexample to the strong version of freedmans conjecture
... non-trivial linking numbers. The proof of Theorem 1 starts in Section 4 with a construction of the relevant decompositions of D 4 . The final section completes the proof of the theorem. Acknowledgements. ... using the quotient π 1 /(π 1 ) 3 of the fundamental group by the third term of the lower central series, is a non-abelian analogue of the linking number of a link. Our result, Theorem 1, shows the ... decompositions of D 4 . The connection of the A − B slice problem for the Borromean rings to the surgery conjecture is provided by consideration of the universal cover of a hypothetical solution
Ngày tải lên: 16/08/2014, 12:47
Some observations of the effects of time on the capacity of piles driven in sand R. J. JARDINE, J. R. STANDING and F. C. CHOW†
... primary purpose of which was to study the behaviour of piles enhanced by jet-grouting The aim of the tests on the plain driven piles listed in Table was to investigate (a) the rate of capacity gain ... from the IAC towards the EOID capacity The potential losses of capacity become more marked with time over the first months of the pile’s life ( f ) Pre-failed piles follow non-monotonic capacity? ??time ... run ICP capacity estimates were absent for most of these cases, so the axes were kept as in Fig 3, with capacity expressed as a multiple of the EOID resistance rather than the ICP values The resulting
Ngày tải lên: 13/08/2015, 10:38
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