Leo S. Rowe, 1871-1946

Leo Tolstoy′s anti-war perspective

The article considers the representation of war in Leo Tolstoy's artistic and journalistic work. The concept of "War" is a key notion in the writer's works. The paper describes the lexicon embodying the topic. To express the essence of the concept, Leo Tolstoy uses such words as sumasshestviye (madness), zlo (evil), and nasiliye (violence). The article analyzes the evolution of attitu...

LEO - DB2's LEarning Optimizer

Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s estimates for the number of rows that will result at each step of the QEP for complex queries involving many predicates and/or operations. These estimates, in turn, rely upon statistics on the database and modeling assump...

89506 DTIC August 1988 S LEO fED

Cases Treated in 1871

Designing an S Band Receiver for LEO Applications

In this paper we describe a generic receiver as a single channel S-band receiver and it is composed of two modules. The first module (down converter) consists of an input band pass filter, LNA, image rejection filter and down-converter with a PLL local oscillator. The second module consists of the IF module derived from the VHF receiver. The IF module consists of a low pass filter, 20MHz band p...