Mellah (stations de l’oued)

Channelization for Software Defined Base-Stations (Canalisation pour des stations de base définies par logiciel)

Channelization is the task of channel selection in a communications receiver. Usually it comprises down-conversion of the signal to base-band and channel filtering. To be able to influence the characteristics of channelization by means of software it is advantageous to realize as much as possible of the channelization functionality with digital signal processing. In base-stations several channe...

la meilleure distance entre les stations d'une ligne de chemin de fer

dans cet article, l'auteur tudie la creation d'une voie ferre interurbaine, de la banlieue ou urbaine, et essaie de d6terminer le nombre optimal de stations pour une longueur donnee de la ligne; compte tenue d'une repartion du trafic, ie long de la ligne en question qui est suppose etre connue. le critere d'optimalisation est le temps total perdu par l'ensemble des usag...

Visually Profiling Radio Stations

The overwhelming number of radio stations, both online and over the air, makes the choice of an appropriate program difficult. By profiling the program content of radio stations using Self-Organizing Maps we provide a reflection of a station’s program type and give potential listeners a visual clue for selecting radio stations. Profiles of current broadcasts indicate which program type a statio...

Transfer Stations and Synchronization

Sanitary Sewage Lift Stations

The lift station is becoming increasingly common as a component of the sewerage systems of Indiana. Cities and towns that have operated for years without the necessity of a lift station (other than one integral with sewage treatment plant) are finding it necessary to include a lift station in plans for extension of sewers. Those cities and towns which have not yet found it necessary to include ...