МЕТОД СИГНАЛА ОРТОГОНАЛЬНОЙ ЧАСТОТНОЙ МАНИПУЛЯЦИИ БЕЗ РАЗРЫВА ФАЗЫ ДЛЯ ОЦЕНКИ ЗАЩИЩЕННОСТИ ОТ УТЕЧКИ РЕЧЕВЫХ СИГНАЛОВ В ЦИФРОВОЙ ФОРМЕ

The optimum frequency-manipulated signal for an estimation of security of channels of information leakage in the digital form is investigated. The system of signals used for an information transfer as set of signals, united by a uniform rule of construction is considered. The optimum system of signals providing the maximum noise stability at the minimum relations of energy of bit to spectral density of capacity of noise in channels of information leakage, methods of an estimation of security of discrete systems of signals in information leakage channels are offered at influence of noise of high level of type white noise, and also a choice and a substantiation of an optimum signal which will allow to estimate security of channels of information leakage.Исследуется оптимальный частотно-манипулированный сигнал для оценки защищенности каналов утечки информации в цифровой форме. Рассматривается система сигналов, используемая для передачи информации как совокупность сигналов, объединяемых единым правилом построения. Предложены оптимальная система сигналов, обеспечивающая максимальную помехоустойчивость при минимальных отношениях энергии бита к спектральной плотности мощности шума в каналах утечки информации, методы оценки защищенности дискретных систем сигналов в каналах утечки информации при воздействии шумов высокого уровня типа белого гауссовского шума, а также выбор и обоснование оптимального сигнала, который позволит оценить защищенность каналов утечки информации

METHOD OF ORTHOGONAL FREQUENCY MANIPULATION SIGNAL WITHOUT RUPTURE OF THE PHASE FOR THE ESTIMATION OF SECURITY FROM LEAK OF SPEECH SIGNALS IN THE DIGITAL FORM

The optimum frequency-manipulated signal for an estimation of security of channels of information leakage in the digital form is investigated. The system of signals used for an information transfer as set of signals, united by a uniform rule of construction is considered. The optimum system of signals providing the maximum noise stability at the minimum relations of energy of bit to spectral density of capacity of noise in channels of information leakage, methods of an estimation of security of discrete systems of signals in information leakage channels are offered at influence of noise of high level of type white noise, and also a choice and a substantiation of an optimum signal which will allow to estimate security of channels of information leakage

Expression and subcellular localization of p70S6 kinase under heart failure

The PI3K/PDK/Akt/mTOR/p70S6K signaling pathway is primary associated with the activation of insulin receptors and is important for cardiomyocytes survival. p70S6K is a key regulator of the speed and efficiency of protein biosynthesis within the cell. Recently the pro-apoptotic protein BAD has been identified as a new target for р70S6K1. BAD is inactivated in normal cardiomyocytes by р70S6K1 phosphorylation which prevents the cardiomyocytes apoptosis. Aim. To study possible changes in р70S6K1 expression and/or cellular localization at heart failure progression – in DCM- affected human myocardia and murine hearts with experimental DCM-like pathology. Methods. Western-blot analysis and immunohystochemistry. Results. The substantial decrease in р70S6K1 level was observed at the final stage of pathology progression and in the dynamics of DCM pathogenesis as well. For the first time relocalization of the protein to the connective tissue was shown according to the Western-blot results. Conclusions. The data obtained allow us to understand a possible role of р70S6K1 in the regulation of stress-induced apoptotic signaling in cardiomyocytes