摘要:
A vehicle position estimating apparatus for estimating a vehicle position on the basis of a vehicle position (GPS position) calculated from a signal received from a GPS satellite includes a travel direction history storage unit for storing a plurality of pieces of vehicle travel direction history information and a position estimating unit for predicting the position of a vehicle at the next position measurement time and a vehicle position range in which the vehicle is likely to be located at the next position measurement time on the basis of the GPS position, a vehicle velocity (GPS velocity), and a vehicle travel direction (GPS travel direction) which are calculated from the transmitted GPS signal or on the basis of the position of the vehicle that has been predicted at the previous position measurement time, the GPS velocity, and data on a vehicle travel direction stored in the travel direction history storage unit.
摘要:
One object of this invention is to provide a reflecting film that has a good light reflectivity over a wide wavelength region including a wavelength region of 400 nm to 420 nm. [Means for solving] The reflecting film includes a layer B that contains rutile type titanium oxide and a layer A that contains fine powder filler other than rutile type titanium oxide. The layer A is positioned outermost on the side of a surface used for reflection. Each of the layers A and B has voids formed by drawing and is independently formed from a resin composition containing a thermoplastic resin. The thermoplastic resin is an aliphatic polyester. The reflecting film may have a two-layer construction including the layer A and the layer B, or a three-layer construction including the layer A, the layer B, and the layer A in this order.
摘要:
A navigation apparatus includes a GPS receiver, an error-circle-radius calculating subunit, and a vehicle-position calculating unit. The GPS receiver receives radio waves transmitted from a plurality of GPS satellites and produces a GPS position. The error-circle-radius calculating subunit detects elevation angles of the plurality of GPS satellites used for calculating the GPS position and a center-of-gravity position of the plurality of GPS satellites, and determines an error range around the GPS position on the basis of the detected elevation angles and the center-of-gravity position. The vehicle-position calculating unit calculates a current position using the GPS position obtained from the GPS receiver and the error range determined by the error-circle-radius calculating subunit.
摘要:
A process of manufacturing a semiconductor device includes the steps of forming a stacked structure of a first III-V compound semiconductor layer containing In and having a composition different from InP and a second III-V compound semiconductor layer containing In. The second III-V compound semiconductor layer is formed over the first III-V compound semiconductor layer and growing an InP layer at regions adjacent the stacked structure to form a stepped structure of InP. The process further includes the step of wet-etching the stepped structure and the second III-V compound semiconductor layer using an etchant containing hydrochloric acid and acetic acid to remove at least the second III-V compound semiconductor layer.
摘要:
Hall device is provided by enabling stable provision of a quantum well compound semiconductor stacked structure. It has first and second compound semiconductor layers composed of Sb and at least two of five elements of Al, Ga, In, As and P, and an active layer composed of InxGa1-x,AsySb1-y (0.8≦x≦1.0, 0.8
摘要翻译:通过实现稳定提供量子阱化合物半导体堆叠结构来提供霍尔器件。 它具有由Sb和Al,Ga,In,As和P的五个元素中的至少两个组成的第一和第二化合物半导体层,以及由In x Ga 1-x,AsySb 1-y(0.8 <= x <= 1.0 ,0.8
摘要:
The present invention pertains a method and a system for controlling a stand-by braking torque applied to an automotive vehicle under a condition of approaching or following an obstacle preceding the vehicle, the automotive vehicle having a powering system for applying a driving torque to the vehicle in response to an operator power demand. A brake controller executes a series of instructions for determining a variable indicative of dynamic situation of the vehicle, for sampling the determined values of the dynamic situation indicative variable immediately before an operator braking action to reduce the speed of the vehicle is imminent, for using the sampled values of the dynamic situation indicative variable as a basis to establish a parameter, and for using the established parameter as a basis to determine a target value of stand-by braking torque.
摘要:
An n type InP buried layer 22 with Se or S added in an above 5×1018 cm−3 concentration is formed on an active layer mesa stripe 18 having a surface with an SiO2 film 16 formed on at a peripheral part of the mesa stripe 18 other than the surface with the SiO2 film 16 formed on. Accordingly, the buried layer can be grown without the over growth.
摘要:
A preparation process of heat-resistant molded articles of a lactic acid-based polymer comprising mixing the lactic acid-based polymer and poly-.epsilon.-caprolactone so as to obtain a L-lactic acid ratio of 75% by weight or more, adding to the polymer mixture a crystalline inorganic powder containing 50% by weight or more of SiO.sub.2, melt-kneading the resultant composition, filling the same into a mold which is set at 85.degree..about.125.degree. C. and forming a shape while promoting crystallization. The molded articles have excellent heat resistance and impact strength, are suitably used for food trays and beverage cups, and can be degraded, in the case of waste, into nontoxic water and carbon dioxide like natural products within a relatively short period in the natural environment.