نتایج جستجو برای: agc
تعداد نتایج: 1444 فیلتر نتایج به سال:
Gastric cancer is still one of the cancers with highest mortality. Most patients present with advanced-stage disease. Palliative chemotherapy is usually the only treatment option for patients with advanced gastric cancer (AGC). Maintenance chemotherapy is an evolving concept in medical oncology. Maintenance chemotherapy can be administered with the same drug(s) in the initial regimen or with an...
This paper addresses a new decentralized robust strategy to adapt the well tested classical automatic generation control (AGC) system to the changing environment of power system operation under deregulation based on the bilateral AGC scheme. In each control area, the effect of bilateral contracts is taken into account in a modified traditional dynamical model as a set of new input signals. The ...
Automatic Generation Control (AGC) is one of the ancillary services that have become important in the deregulated power system environment. Together with the fact that the load varies rapidly throughout the day, it is imperative to have a system that will maintain a continuous and reliable flow of power within the system. Long ago, system operators recognized this fact by requiring power pools ...
Voltage-dependent Na + channels are thought to sense membrane potential with fixed charges located within the membrane's electrical field. Measurement of open probability (Po) as a function of membrane potential gives a quantitative indication of the number of such charges that move through the field in opening the channel. We have used single-channel recording to measure skeletal muscle Na § c...
Although medical treatment has been shown to improve quality of life and prolong survival, no significant progress has been made in the treatment of advanced gastric cancer (AGC) within the last two decades. Thus, the optimum standard first-line chemotherapy regimen for AGC remains debatable, and most responses to chemotherapy are partial and of short duration; the median survival is approximat...
AGC was implemented in first radios for the reason of fading propagation (defined as slow variations in the amplitude of the received signals) which required continuing adjustments in the receiver‟s gain in order to maintain a relative constant output signal. Such situation led to the design of circuits, which primary ideal function was to maintain a constant signal level at the output, regardl...
OBJECTIVES The purpose of this study was to improve bimodal benefit in listeners using a cochlear implant (CI) and a hearing aid (HA) in contralateral ears, by matching the time constants and the number of compression channels of the automatic gain control (AGC) of the HA to the CI. Equivalent AGC was hypothesized to support a balanced loudness for dynamically changing signals like speech and i...
The development of nitrogen fixing root nodules is complex and involves an interplay of signaling processes. During maturation of plant host cells and their endocytosed rhizobia in symbiosomes, host cells and symbiosomes expand. This expansion is accompanied by a large quantity of membrane biogenesis. We recently characterized an AGC kinase gene, MtIRE, that could play a role in this expansion....
An electric supply with reliable and good quality is very important in power system operation and control. To achieve reilability and quality in interconnected power system Automatic Generation Control (AGC) is used. The components of AGC are change in frequency deviation (∆F) and tie-line power flow (∆Ptie). For any load change, there is an existence of (∆F) and (∆Ptie) which are used as a fee...
We investigate the effects of quantization and AGC (Automatic Gain Control) in MIMO (Multiple Input Multiple Output) wireless systems. We derive the cutoff rate equations for a deterministic MIMO channel with quantization at the receiver inputs and demonstrate by numerical simulation the dependence of the cutoff rate on the receiver AGC settings. Then we propose a fast AGC algorithm to maximize...
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