1. A high performance planing hull with drives of fixed or non-steerable type, characterized by including an additional volume (10), which is integrated in the immersed part of the stern of said hull (1), said additional volume extending substantially in longitudinal direction and being symmetrical with respect to the longitudinal plane of symmetry of said hull.
2. The planing hull according to claim 1, wherein said additional volume comprises, in its lower part, at least one portion of a downwardly inclined surface (12, 31) having an acute angle with respect to the horizontal.
3. The planing hull according to claim 2, wherein said portion of inclined surface (12) is fixed.
4. The planing hull according to claim 2, wherein said portion of inclined surface (31) is movable.
5. The planing hull according to claim 4, wherein said portion of movable inclined surface (31) includes actuating means housed inside said additional volume (10).
6. The planing hull according to claim 2, wherein said portion of inclined surface (12, 31) has upside down \u201cU\u201d-shaped cross section.
7. The planing hull according to claim 1, including two movable trim tabs at the sides of said additional volume (10).
8. The planing hull according to claim 2, wherein at least one electronic control unit is provided to determine in real time the position of said inclined movable surface portion (31), which is centrally placed and of said side movable trim tabs as a function of the boat speed detected by a GPS satellite system andor of the engine revolutions.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A spread-signal multiplexing circuit comprising:
an amplitude monitoring section for multiplexing a plurality of spread signals and for determining amplitude of a resulting signal in time-series order;
a delaying section for delaying the plurality of spread signals in parallel by a time that corresponds to a propagation delay time of said amplitude monitoring section and thereby generating delayed spread signals; and
a multiplexing section for generating a multiplexed signal by weighting the delayed spread signals with respective weights in parallel and by multiplexing the delayed spread signals, the respective weights being smaller as an average value of the amplitude determined by said amplitude monitoring section becomes larger.
2. A spread-signal multiplexing circuit comprising:
an amplitude monitoring section for determining amplitude of a plurality of spread signals in time-series order and for multiplexing the plurality of spread signals; and
an amplitude controlling section for amplitude-limiting each of the plurality of spread signals in accordance with the respective amplitude determined by the amplitude monitoring section.
3. A spread-signal multiplexing circuit comprising:
an amplitude monitoring section for multiplexing a plurality of spread signals and for determining amplitude of a resulting signal; and
an amplitude controlling section for amplitude-limiting each of the plurality of spread signals in accordance with the respective amplitude determined by the amplitude monitoring section.
4. A spread-signal multiplexing circuit comprising:
an amplitude monitoring section for multiplexing a plurality of spread signals, smoothing amplitude of a resulting signal, and obtaining an average value of the smoothed amplitude in time-series order;
a delaying section for delaying the plurality of spread signals in parallel by a time that corresponds to a propagation delay time of said amplitude monitoring section and thereby generating delayed spread signals; and
a multiplexing section for generating a multiplexed signal by weighting the delayed spread signals with respective weights in parallel and by multiplexing the delayed spread signals, the respective weights being smaller as the average value obtained by said amplitude monitoring section becomes larger.
5. A spread-signal multiplexing circuit comprising:
an amplitude monitoring section for multiplexing a plurality of spread signals and for determining maximum amplitude of a resulting signal in a prescribed window;
a delaying section for delaying the plurality of spread signals in parallel by a time that corresponds to a propagation delay time of said amplitude monitoring section and thereby generating delayed spread signals; and
a multiplexing section for generating a multiplexed signal by weighting the delayed spread signals with respective weights in parallel and by multiplexing the delayed spread signals, the respective weights being smaller as the maximum amplitude obtained by said amplitude monitoring section becomes larger.
6. The spread-signal multiplexing circuit according to claim 1, further comprising a selecting section for selecting all or part of delayed spread signals whose amplitude exceeds a prescribed threshold value, from the delayed spread signals generated by said delaying section, wherein
said multiplexing section weights only the delayed spread signal(s) selected by said selecting section.
7. The spread-signal multiplexing circuit according to claim 4, further comprising a selecting section for selecting all or part of delayed spread signals whose amplitude exceeds a prescribed threshold value, from the delayed spread signals generated by said delaying section, wherein
said multiplexing section weights only the delayed spread signal(s) selected by said selecting section.
8. The spread-signal multiplexing circuit according to claim 5, further comprising a selecting section for selecting all or part of delayed spread signals whose amplitude exceeds a prescribed threshold value, from the delayed spread signals generated by said delaying section, wherein
said multiplexing section weights only the delayed spread signal(s) selected by said selecting section.
9. The spread-signal multiplexing circuit according to claim 1, further comprising a selecting section for selecting all or part of the delayed spread signals generated by said delaying section in descending order of amplitude, wherein
said multiplexing section weights the delayed spread signals selected by said selecting section with respective weights, the respective weights being smaller as the amplitude of the selected spread signals becomes larger.
10. The spread-signal multiplexing circuit according to claim 4, further comprising a selecting section for selecting all or part of the delayed spread signals generated by said delaying section in descending order of amplitude, wherein
said multiplexing section weights the delayed spread signals selected by said selecting section with respective weights, the respective weights being smaller as the amplitude of the selected spread signals becomes larger.
11. The spread-signal multiplexing circuit according to claim 5, further comprising a selecting section for selecting all or part of the delayed spread signals generated by said delaying section in descending order of amplitude, wherein
said multiplexing section weights the delayed spread signals selected by said selecting section with respective weights, the respective weights being smaller as the amplitude of the selected spread signals becomes larger.
12. The spread-signal multiplexing circuit according to claim 1, further comprising a selecting section for selecting all or part of delayed spread signals whose amplitude exceeds a prescribed threshold value, from the delayed spread signals generated by said delaying section, wherein
said multiplexing section weights the delayed spread signal(s) selected by said selecting section with respective weights that are obtained through multiplication by a coefficient, the coefficient decreasing as the amplitude of the delayed spread signals selected by said selecting section increases.
13. The spread-signal multiplexing circuit according to claim 4, further comprising a selecting section for selecting all or part of delayed spread signals whose amplitude exceeds a prescribed threshold value, from the delayed spread signals generated by said delaying section, wherein
said multiplexing section weights the delayed spread signal(s) selected by said selecting section with respective weights that are obtained through multiplication by a coefficient, the coefficient decreasing as the amplitude of the delayed spread signals selected by said selecting section increases.
14. The spread-signal multiplexing circuit according to claim 5, further comprising a selecting section for selecting all or part of delayed spread signals whose amplitude exceeds a prescribed threshold value, from the delayed spread signals generated by said delaying section, wherein
said multiplexing section weights the delayed spread signal(s) selected by said selecting section with respective weights that are obtained through multiplication by a coefficient, the coefficient decreasing as the amplitude of the delayed spread signals selected by said selecting section increases.
15. The spread-signal multiplexing circuit according to claim 1, wherein
said multiplexing section weights only all or part of spread signals whose average value of the determined amplitude exceeds a prescribed upper limit value, among the plurality of spread signals.
16. The spread-signal multiplexing circuit according to claim 4, wherein
said multiplexing section weights only all or part of spread signals whose average value of the determined amplitude exceeds a prescribed upper limit value, among the plurality of spread signals.
17. The spread-signal multiplexing circuit according to claim 5, wherein
said multiplexing section weights only all or part of spread signals whose average value of the determined amplitude exceeds a prescribed upper limit value, among the plurality of spread signals.
18. The spread-signal multiplexing circuit according to claim 1, wherein
said amplitude monitoring section bandwidth-limits the plurality of spread signals within a band that is wider than a band within which said multiplexing section bandwidth-limits the delayed spread signals generated by said delaying section before multiplexing.
19. The spread-signal multiplexing circuit according to claim 4, wherein
said amplitude monitoring section bandwidth-limits the plurality of spread signals within a band that is wider than a band within which said multiplexing section bandwidth-limits the delayed spread signals generated by said delaying section before multiplexing.
20. The spread-signal multiplexing circuit according to claim 5, wherein
said amplitude monitoring section bandwidth-limits the plurality of spread signals within a band that is wider than a band within which said multiplexing section bandwidth-limits the delayed spread signals generated by said delaying section before multiplexing.
21. The spread-signal multiplexing circuit according to claim 1, wherein
the respective weights are set at such values as to maintain a characteristic or a performance of a circuit that is provided downstream of said multiplexing section.
22. The spread-signal multiplexing circuit according to claim 4, wherein
the respective weights are set at such values as to maintain a characteristic or a performance of a circuit that is provided downstream of said multiplexing section.
23. The spread-signal multiplexing circuit according to claim 5, wherein
the respective weights are set at such values as to maintain a characteristic or a performance of a circuit that is provided downstream of said multiplexing section.
24. The spread-signal multiplexing circuit according to claim 1, wherein
the respective weights are given as a monotonic non-increasing function of the number of spread signals to be multiplexed.
25. The spread-signal multiplexing circuit according to claim 4, wherein
the respective weights are given as a monotonic non-increasing function of the number of spread signals to be multiplexed.
26. The spread-signal multiplexing circuit according to claim 5, wherein
the respective weights are given as a monotonic non-increasing function of the number of spread signals to be multiplexed.
27. The spread-signal multiplexing circuit according to claim 1, wherein
the respective weights are suitable for all or part of monitoring, control, maintenance, and operation of a system that performs prescribed processing on the plurality of spread signals.
28. The spread-signal multiplexing circuit according to claim 4, wherein
the respective weights are suitable for all or part of monitoring, control, maintenance, and operation of a system that performs prescribed processing on the plurality of spread signals.
29. The spread-signal multiplexing circuit according to claim 5, wherein
the respective weights are suitable for all or part of monitoring, control, maintenance, and operation of a system that performs prescribed processing on the plurality of spread signals.