1. most effective means of beam restriction2. restricts as it passes the port3. provides a light source for positioning of CR and tube4. infinite number of field sizes5. minimal penumbra6. can be restricted to structure of interest What are the disdvantages of the collimator? 1. higher ...
Moreover, it is possible to change the depth h beforehand in accordance with conditions such as the size of the second opening 12 and its taper angle suitably and also possible to sufficiently make it thin until the required machining accuraly is obtained.NINOMIYA MASAHARU...
and takes satellite-link states into comprehensive consideration. Through the comparison of the shortest path scheme and K-shortest path scheme, a kind of ISL scheme with beam restriction for navigation constellation is proposed, and the simulation is done to show the effectiveness of supposed scheme...
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Additionally, in order to provide a restriction on the shape of the beam pattern, a similarity constraint is enforced at the design stage. Then, the adaptive weight vector can be computed via maximizing a new signal-to-interference-plus-noise ratio (SINR) criterion subject to similarity ...
Holders of the permissionandroid.Manifest.permission#MANAGE_DEVICE_POLICY_NEARBY_COMMUNICATIONcan set this restriction using the DevicePolicyManager APIs mentioned below. Key for user restrictions. Type: Boolean Java documentation forandroid.os.UserManager.DISALLOW_OUTGOING_BEAM. ...
To deal with these two disadvantages, we propose a minimum variance multi-frequency distortionless restriction (MVMFDR) beamformer. It is based on traditional amplitude-phase weighting array, which is a digital approach and avoids the TDL problem. By imposing all signal frequency band distortionless ...
This restriction is applicable to the standard library sections that allow user specification of section model size, and for the MESH section subtype. By default (KEYOPT(1) = 0), the effect of warping restraint is assumed to be negligible. Cross section failure or folding is not accounted for...
The optimization technique was applied to this example to determine how the maximum tumor dose is affected by changes in the normal tissue constraints and the addition of a tumor dose homogeneity restriction. The linear programming technique yielded a rigorous and efficient determination of the beam ...
This restriction makes the soil-beam model to be used with caution for seismic analyses of large diameter foundations in extremely soft soils. The validity of the beam model in this scenario will strongly depend on the frequency content of the excitation, and the evolution with frequency of the...