词汇 | cosine |
释义 | cosine noun[ C ] mathematics specializeduk /ˈkəʊ.saɪn/ us /ˈkoʊ.saɪn/(written abbreviationcos) (in a triangle that has one angle of 90°) the ratio of the length of the side next to an angle less than 90°, divided by the length of the hypotenuse (= the side opposite the 90° angle)余弦 Compare sinespecialized tangent(TRIANGLE)specialized Geometry: parts of geometrical shapes -sided angle axis axisymmetric bulky chord circumference conic corresponding sides hemisphere node perimeter planar plane pole quadrant quadric symmetrical symmetrically vertex cosine | American Dictionarycosine noun[ C ] us/ˈkoʊˌsɑɪn/(abbreviationcos) trigonometry in a triangle that has one angle of 90°, the ratio (= relationship) of the length of the side next to an angle less than 90°, divided by the length of the hypotenuse (= the side opposite the 90° angle) Examples of cosinecosine This cosine function allows the coplanar influence to propagate to near-coplanar orientations, thereby allowing surface completion to occur around smoothly curving surfaces. Additional columns are added for a constant term, and for sine and cosine sequences at the mains electrical frequency, to fit contamination from this source. In the same way, we can compute sine and cosine series. Equation 3 shows the cosine correlation, one of the more common vector-space matching functions. When running the experiments, a trajectory consisting of a combination of sines and cosines at different frequencies is selected. Figure 6 shows the cosine of the characteristic angle measured relative to the top surface, as a function of disturbance frequency. Operations required for the computation of sine, cosine, and () functions are not taken into account. Note that for continuity u2 must be expressed as a sine, if cosines are employed for the other two velocity components. A cross section consists of a circular arc, one period of a cosine wave, and another circular arc. The expansions (2.9)-(2.11) together with the cosine profile (2.8) ensure that the large matrices with which we shall be working are banded. That completes the definition of the diffracted director cosine. The pattern was presented as a 1-s raised temporal cosine, replacing par t of an 8-deg background. The similarity between the document and query is determined by the cosine similarity between two vectors. An interesting example concerns denoising in a packet library such as cosine or wavelet packets. We get complex y, which means complex arguments in the sine and cosine functions that give u along the trajectory. See all examples of cosine These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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