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wavelet    
n. 小浪,微波

小浪,微波

wavelet
子波; 小波

wavelet
n 1: a small wave on the surface of a liquid [synonym: {ripple},
{rippling}, {riffle}, {wavelet}]

Wavelet \Wave"let\, n.
A little wave; a ripple.
[1913 Webster]

A waveform that is bounded in both {frequency}
and duration. Wavelet tranforms provide an alternative to
more traditional {Fourier transforms} used for analysing
waveforms, e.g. sound.

The {Fourier transform} converts a signal into a continuous
series of {sine waves}, each of which is of constant frequency
and {amplitude} and of infinite duration. In contrast, most
real-world signals (such as music or images) have a finite
duration and abrupt changes in frequency.

Wavelet transforms convert a signal into a series of wavelets.
In theory, signals processed by the wavelet transform can be
stored more efficiently than ones processed by Fourier
transform. Wavelets can also be constructed with rough edges,
to better approximate real-world signals.

For example, the United States Federal Bureau of Investigation
found that Fourier transforms proved inefficient for
approximating the whorls of fingerprints but a wavelet
transform resulted in crisper reconstructed images.

{SBG Austria (http://mat.sbg.ac.at/~uhl/wav.html)}.

["Ten Lectures on Wavelets", Ingrid Daubechies].

(1994-11-09)


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  • Heterozygous Genotype: Traits and Diseases - Verywell Health
    Heterozygous genotypes can affect traits like eye and skin color where one allele may be dominant over another Certain diseases like sickle cell anemia and cystic fibrosis can have a heterozygote advantage, providing some protection against other illnesses
  • Lesson 2 Study Guide Flashcards | Quizlet
    Study with Quizlet and memorize flashcards containing terms like Which of these genotypes is heterozygous? (A) AA (B) Bb (C) Cd (D) ee, Which of these is NOT a phenotype?
  • Heterozygous: Definition, Examples, and Comparison to Homozygous
    For every gene, you inherit two alleles: one from your biological father and one from your biological mother Together, these alleles are called a genotype If the two versions are different, you
  • [FREE] Which of these genotypes are heterozygous? A. TT B. Tt C. tt D . . .
    Genetic principles established by Gregor Mendel indicate that the presence of one dominant allele (T) and one recessive allele (t) in the Tt genotype makes it heterozygous, while TT and tt represent homozygous conditions
  • Homozygous vs. Heterozygous: 10 Differences, Examples
    Homozygous and Heterozygous Definition and Examples Homozygous genotypes= single type of gamete Heterozygous genotypes= two different types of gametes
  • Heterozygous Genotype
    When an individual receives one blue-eye allele from one parent and one brown-eye allele from the other, they are considered heterozygous for that gene The presence of two distinct alleles means that the individual carries genetic information for both versions of the trait
  • Heterozygous - National Human Genome Research Institute
    Heterozygous refers to having different alleles for a particular trait If the two versions are different, you have a heterozygous genotype for that gene The relationship between the two alleles affects which traits are expressed
  • Genotypes - Education
    Traits like cystic fibrosis follow a simple inheritance pattern known as Mendelian inheritance, but homozygous dominant, homozygous recessive and heterozygous genotypes only account for some genes and traits Most traits, like blood type and eye color, follow more complex inheritance patterns
  • Solved: Which of these genotypes is heterozygous? AA Bb Cd ee [Biology]
    The genotype that is heterozygous contains two different alleles for a particular gene In this case, the genotype Bb consists of one dominant allele (B) and one recessive allele (b), making it heterozygous
  • [Solved] 5 Which of the following genotypes is heterozygous a . . . - Studocu
    Gg - This genotype has two different alleles (G and g), making it heterozygous The presence of different alleles at the same locus characterizes heterozygosity, which can result in the expression of the dominant trait due to the masking effect of the dominant allele





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