No. 6, 2024

Passive and active radiovision

1. Experimental studies on the detection of radio pulses with linear frequency modulation at a critically low signal-to-noise ratio I.V. Kolikov, V.V. Utkin, A.V. Letin pp. 5-12
2. Recognition of moving sources of radio emissions by sub-dynamic phase portraits OFDM-signals I.Yu. Eremeev, L.A. Ovcharenko, I.V. Zhitkov, I.D. Veselov pp. 13-25

Problems of space research

1. Identifying the stages of launching spacecraft into orbit based on the analysis of the spectral characteristics of a telemetric signal in the absence оf access to the semantic component of information М.S. Timofeev, A.S. Bosiy, A.A. Druzhkov, I.V. Kolikov pp. 26-33

Information-measuring systems

1. Structural specificity of quasi-cyclic parity-check matrix of low-density protograph-based codes A.P. Ratushin, E.I. Balunin, M.V. Vlasov, D.S. Khrapkov pp. 34-39
2. Formation of a multichannel interference source based on differential-range measurements N.P. Shmakov, V.A. Ognev, M.P. Shust, S.S. Timofeev pp. 40-45

Propagation of electromagnetic waves

1. Methods for calculating convolution and correlation of quaternion functions I.V. Demichev pp. 46-53
2. Enhancing the reliability of short message reception by simultaneously using frequency-time spreading and sensor diagnostics D.V. Ivanov, V.A. Ivanov, N.V. Ryabova, A.R. Laschevsky pp. 54-63
3. Attenuation of reflected UHF wave by planar metamaterial structure with the addition of an active absorbing thin film layer A.S. Mazinov, N.A. Boldyrev, V.M. Vasilchenko, A.V. Starosek pp. 64-69
4. Assessing the impact of location the failure of elements in the phased array antenna on the shape of its radiation pattern V.О. Korolev, V.N. Aldokhina pp. 70-80