Engineer's Book

Engineers – Telecoms – Physics – Teaching – Surveying

Archive for the 'Algorithmique' Category

Survey 14 – Reconstruction de Scènes de Terrains 3D

A quoi sert une Recontruction 3D de Scènes de Terrains ? Mais ce n’est pas un terrain mais une façade ! Et alors ? Let’s Open your Mind(s), Engineers ! Le sujet est le suivant : Dans le contexte de la navigation : aller d’un point à un autre en traçant une trajectoire par rapport […]

Read the rest of this entry »

Survey 12 – 3D Cloud Datas

How Can we Construct 3D Object by 39 Photographies ? How do we take pictures ? Is it a surveyor and topograph measurements method ? How do we gain this ? And just rotate 3D object ! We took a lot of photographies like aerial topography we use « stereo » display to match the unique points […]

Read the rest of this entry »

Survey 10 – Boresighting Processing – Simbleautage

How do we break parallelism alignment between unreachable site and sighting ? How do we focus on a satellite with one detector and send angle point of view to different sensors at different positions ? It is Parallax Calculation. You can control a digital servo motor to point another equipment on a same target. For […]

Read the rest of this entry »

Formal Méthod – Complex Method to Manage … Complexity ?

The Formal Method claims to reduct systems logical errors number. But do we succeed to use, logically, the Formal Method ? It is a very smart paradox. Is’nt it ? We are sorry. Those following Annexes from PhD Thesis are in French language. Some denounced ideology and author irony are typicaly … local French. Let’s […]

Read the rest of this entry »

Navigation 13 – Spherical Position and Local Plan – Spherical Trajectories ?

How do we set a Position on Earth and how we determine Local Coordinates and Perpendicular Plan ? And then how do we find trajectories point by point on Earth ? With and … without Latitude and Longitude, only with an Absolute Rotation Angle ? We want to « navigate » on earth with direct trajectory from […]

Read the rest of this entry »