Sentence examples for difficult to achieve over from inspiring English sources

However, coherent demodulation is difficult to achieve over time-varying fading channels, as this requires frequency and phase synchronization of all carriers, and therefore, it is logical to consider differential phase-shift keying (DPSK) as an alternative modulation scheme [8].

This alignment is complicated by distortions of the tissue which naturally occur during histological treatment, and is particularly difficult to achieve over large cortical areas, such as primate visual areas.

However, with only lifestyle modification, even modest weight loss is difficult to achieve over time (5, 6); therefore, optimal pharmacologic strategies for treating obesity are being developed.

Success is difficult to achieve over the course of one mayoralty.

Net-zero carbon, particularly net-zero energy, was found to be technically difficult to achieve over the one-year period of operation.

For even normal subjects, stable fixation is difficult to achieve over the time course of data acquisition, and motion artifacts corrupt the visualization of portions of the data in a given volume.

However, it is difficult to achieve complete control over the chemo- and region selectivity of such additions and require very special species such as arynes, carbenes, or halogens, and the reactions often occur only in extreme conditions for the formation of covalent bonds.

Furthermore, as the relation between the wavelet domain coefficients and the measures of the quality of compression [root mean square error (RMSE) and local point error (LPE)] is not straightforward, it is difficult to achieve good control over the quality of compression by specifying thresholds on the wavelet coefficients.

These familiar, real-world items inevitably came with semantic and associative 'baggage' making it difficult to achieve precise experimental control over numerous different features of the items which are often correlated with one another (Troiani et al., 2014) and could potentially confound any conclusions drawn (Sugiura et al., 2005).

The results show that decarbonisation of the transport sector has proved more difficult to achieve in the 15 countries over the 22 years than the reduction in the levels of transport-related fatalities.

In transgenic plants, it is difficult to achieve stable and predictable transgene expression over subsequent generations.